{"id":1875,"date":"2025-09-23T18:30:00","date_gmt":"2025-09-23T09:30:00","guid":{"rendered":"https:\/\/seuheu.com\/?p=1875"},"modified":"2025-09-26T15:41:35","modified_gmt":"2025-09-26T06:41:35","slug":"linux-rocky-linux-9-5-lvm-cache-%ec%84%a4%ec%a0%95%ea%b3%bc-%ec%84%b1%eb%8a%a5-%ed%85%8c%ec%8a%a4%ed%8a%b8","status":"publish","type":"post","link":"https:\/\/seuheu.com\/?p=1875","title":{"rendered":"[Linux] Rocky Linux 9.5 LVM Cache \uc124\uc815\uacfc \uc131\ub2a5 \ud14c\uc2a4\ud2b8"},"content":{"rendered":"\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"[Linux] Rocky Linux 9.5 LVM Cache \uc124\uc815\uacfc \uc131\ub2a5 \ud14c\uc2a4\ud2b8\" width=\"1200\" height=\"675\" src=\"https:\/\/www.youtube.com\/embed\/dxnMCfpe_f8?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_85 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">\ubaa9\ucc28<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\ubaa9\ucc28 \ud1a0\uae00\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/seuheu.com\/?p=1875\/#1_%EA%B0%9C%EC%9A%94\" >1. \uac1c\uc694<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/seuheu.com\/?p=1875\/#2_%EB%B2%84%EC%A0%84\" >2. \ubc84\uc804<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/seuheu.com\/?p=1875\/#3_%EC%84%A4%EB%AA%85\" >3. \uc124\uba85<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/seuheu.com\/?p=1875\/#3-1_LVM_Cache%EB%9E%80\" >3-1. LVM Cache\ub780?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/seuheu.com\/?p=1875\/#3-2_LVM_Cache_%EB%8F%99%EC%9E%91_%EB%B0%A9%EC%8B%9D\" >3-2. LVM Cache \ub3d9\uc791 \ubc29\uc2dd<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/seuheu.com\/?p=1875\/#4_Partition\" >4. Partition<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/seuheu.com\/?p=1875\/#4-1_Partition_%EC%83%9D%EC%84%B1\" >4-1. Partition \uc0dd\uc131<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/seuheu.com\/?p=1875\/#5_PVPhysical_Volume\" >5. PV(Physical Volume)<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/seuheu.com\/?p=1875\/#5-1_PVPhysical_Volume_%EC%83%9D%EC%84%B1\" >5-1. PV(Physical Volume) \uc0dd\uc131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/seuheu.com\/?p=1875\/#5-2_PVPhysical_Volume_%EC%83%9D%EC%84%B1_%ED%99%95%EC%9D%B8\" >5-2. PV(Physical Volume) \uc0dd\uc131 \ud655\uc778<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/seuheu.com\/?p=1875\/#6_VGVolume_Group\" >6. VG(Volume Group)<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/seuheu.com\/?p=1875\/#6-1_VGVolume_Group_%EC%83%9D%EC%84%B1\" >6-1. VG(Volume Group) \uc0dd\uc131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/seuheu.com\/?p=1875\/#6-2_VGVolume_Group_%EC%83%9D%EC%84%B1_%ED%99%95%EC%9D%B8\" >6-2. VG(Volume Group) \uc0dd\uc131 \ud655\uc778<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/seuheu.com\/?p=1875\/#7_LVLogical_Volume\" >7. LV(Logical Volume)<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/seuheu.com\/?p=1875\/#7-1_LVLogical_Volume_%EC%83%9D%EC%84%B1\" >7-1. LV(Logical Volume) \uc0dd\uc131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/seuheu.com\/?p=1875\/#7-2_LVLogical_Volume_%EC%83%9D%EC%84%B1_%ED%99%95%EC%9D%B8\" >7-2. LV(Logical Volume) \uc0dd\uc131 \ud655\uc778<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/seuheu.com\/?p=1875\/#8_%ED%8C%8C%EC%9D%BC_%EC%8B%9C%EC%8A%A4%ED%85%9C\" >8. \ud30c\uc77c \uc2dc\uc2a4\ud15c<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/seuheu.com\/?p=1875\/#8-1_%ED%8C%8C%EC%9D%BC_%EC%8B%9C%EC%8A%A4%ED%85%9C_%EC%83%9D%EC%84%B1\" >8-1. \ud30c\uc77c \uc2dc\uc2a4\ud15c \uc0dd\uc131<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/seuheu.com\/?p=1875\/#9_%EB%A7%88%EC%9A%B4%ED%8A%B8\" >9. \ub9c8\uc6b4\ud2b8<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/seuheu.com\/?p=1875\/#9-1_%EB%A7%88%EC%9A%B4%ED%8A%B8_%ED%8F%AC%EC%9D%B8%ED%8A%B8_%EC%83%9D%EC%84%B1\" >9-1. \ub9c8\uc6b4\ud2b8 \ud3ec\uc778\ud2b8 \uc0dd\uc131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/seuheu.com\/?p=1875\/#9-2_%EB%A7%88%EC%9A%B4%ED%8A%B8\" >9-2. \ub9c8\uc6b4\ud2b8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/seuheu.com\/?p=1875\/#9-3_%EB%A7%88%EC%9A%B4%ED%8A%B8_%ED%99%95%EC%9D%B8\" >9-3. \ub9c8\uc6b4\ud2b8 \ud655\uc778<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-23\" href=\"https:\/\/seuheu.com\/?p=1875\/#10_Partition\" >10. Partition<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-24\" href=\"https:\/\/seuheu.com\/?p=1875\/#10-1_Partition_%EC%83%9D%EC%84%B1\" >10-1. Partition \uc0dd\uc131<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-25\" href=\"https:\/\/seuheu.com\/?p=1875\/#11_PVPhysical_Volume\" >11. PV(Physical Volume)<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-26\" href=\"https:\/\/seuheu.com\/?p=1875\/#11-1_PVPhysical_Volume_%EC%83%9D%EC%84%B1\" >11-1. PV(Physical Volume) \uc0dd\uc131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-27\" href=\"https:\/\/seuheu.com\/?p=1875\/#11-2_PVPhysical_Volume_%EC%83%9D%EC%84%B1_%ED%99%95%EC%9D%B8\" >11-2. PV(Physical Volume) \uc0dd\uc131 \ud655\uc778<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-28\" href=\"https:\/\/seuheu.com\/?p=1875\/#12_VGVolume_Group\" >12. VG(Volume Group)<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-29\" href=\"https:\/\/seuheu.com\/?p=1875\/#12-1_VGVolume_Group_%ED%99%95%EC%9D%B8\" >12-1. VG(Volume Group) \ud655\uc778<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-30\" href=\"https:\/\/seuheu.com\/?p=1875\/#12-2_VGVolume_Group_%ED%99%95%EC%9E%A5\" >12-2. VG(Volume Group) \ud655\uc7a5<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-31\" href=\"https:\/\/seuheu.com\/?p=1875\/#12-3_VGVolume_Group_%ED%99%95%EC%9E%A5_%ED%99%95%EC%9D%B8\" >12-3. VG(Volume Group) \ud655\uc7a5 \ud655\uc778<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-32\" href=\"https:\/\/seuheu.com\/?p=1875\/#13_LVLogical_Volume\" >13. LV(Logical Volume)<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-33\" href=\"https:\/\/seuheu.com\/?p=1875\/#13-1_Cache_Pool_%EC%83%9D%EC%84%B1\" >13-1. Cache Pool \uc0dd\uc131<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-34\" href=\"https:\/\/seuheu.com\/?p=1875\/#13-2_Cache_Pool_%EC%83%9D%EC%84%B1_%ED%99%95%EC%9D%B8\" >13-2. Cache Pool \uc0dd\uc131 \ud655\uc778<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-35\" href=\"https:\/\/seuheu.com\/?p=1875\/#13-3_LV_Cache\" >13-3. LV Cache<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-36\" href=\"https:\/\/seuheu.com\/?p=1875\/#13-3-1_LV_Cache_%EC%A0%81%EC%9A%A9_%EC%A0%84_%ED%99%95%EC%9D%B8\" >13-3-1. LV Cache \uc801\uc6a9 \uc804 \ud655\uc778<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-37\" href=\"https:\/\/seuheu.com\/?p=1875\/#13-3-2_LV_Cache_%EC%A0%81%EC%9A%A9\" >13-3-2. LV Cache \uc801\uc6a9<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-38\" href=\"https:\/\/seuheu.com\/?p=1875\/#13-3-3_LV_Cache_%EC%A0%81%EC%9A%A9_%ED%99%95%EC%9D%B8\" >13-3-3. LV Cache \uc801\uc6a9 \ud655\uc778<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-39\" href=\"https:\/\/seuheu.com\/?p=1875\/#14_%ED%99%95%EC%9D%B8\" >14. \ud655\uc778<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-40\" href=\"https:\/\/seuheu.com\/?p=1875\/#14-1_%ED%8C%A8%ED%82%A4%EC%A7%80_%EC%84%A4%EC%B9%98\" >14-1. \ud328\ud0a4\uc9c0 \uc124\uce58<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-41\" href=\"https:\/\/seuheu.com\/?p=1875\/#14-2_iostat_%EC%8B%A4%ED%96%89\" >14-2. iostat \uc2e4\ud589<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-42\" href=\"https:\/\/seuheu.com\/?p=1875\/#14-3_%EC%93%B0%EA%B8%B0_%ED%85%8C%EC%8A%A4%ED%8A%B8\" >14-3. \uc4f0\uae30 \ud14c\uc2a4\ud2b8<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-43\" href=\"https:\/\/seuheu.com\/?p=1875\/#14-4_%ED%99%95%EC%9D%B8\" >14-4. \ud655\uc778<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"1_%EA%B0%9C%EC%9A%94\"><\/span>1. \uac1c\uc694<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>LVM Cache (lvconvert cache)<\/strong>&nbsp;\uae30\ub2a5\uc744 \ud65c\uc6a9\ud558\uc5ec&nbsp;<strong>\uc800\uc18d \ub514\uc2a4\ud06c(vdb1)<\/strong>&nbsp;\uc704\uc5d0 \uc0dd\uc131\ud55c LV\ub97c&nbsp;<strong>\uace0\uc18d \ub514\uc2a4\ud06c(vdc1)<\/strong>\uae30\ubc18 Cache Pool\ub85c \uac00\uc18d\ud558\ub294 \uacfc\uc815\uc744 \ub2e4\ub8f9\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"2_%EB%B2%84%EC%A0%84\"><\/span>2. \ubc84\uc804<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rocky Linux 9.5<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3_%EC%84%A4%EB%AA%85\"><\/span>3. \uc124\uba85<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3-1_LVM_Cache%EB%9E%80\"><\/span>3-1. LVM Cache\ub780?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>LVM Cache\ub294 **\uc800\uc18d \ub514\uc2a4\ud06c(HDD)**\uc5d0 \uc704\uce58\ud55c Logical Volume(LV)\uc744 **\uace0\uc18d \ub514\uc2a4\ud06c(SSD\/NVMe)**\ub97c \ud65c\uc6a9\ud574&nbsp;<strong>\uce90\uc2f1(caching)<\/strong>&nbsp;\ud558\ub294 \uae30\ub2a5\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"3-2_LVM_Cache_%EB%8F%99%EC%9E%91_%EB%B0%A9%EC%8B%9D\"><\/span>3-2. LVM Cache \ub3d9\uc791 \ubc29\uc2dd<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>LVM Cache\ub294 \uae30\ubcf8\uc801\uc73c\ub85c **\uc6d0\ubcf8 LV(origin)**\uc640 **\uce90\uc2dc \ud480(cache pool)**\uc744 \uacb0\ud569\ud574 \ub3d9\uc791\ud569\ub2c8\ub2e4.\n<ol class=\"wp-block-list\">\n<li><strong>\uad6c\uc131 \uc694\uc18c<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Origin LV<\/strong>: \uc2e4\uc81c \ub370\uc774\ud130\uac00 \uc800\uc7a5\ub418\ub294 \uc800\uc18d \ub514\uc2a4\ud06c(HDD)\uc758 LV<\/li>\n\n\n\n<li><strong>Cache Pool<\/strong>: \uce90\uc2dc \uc5ed\ud560\uc744 \ud558\ub294 \uace0\uc18d \ub514\uc2a4\ud06c(SSD\/NVMe)\n<ul class=\"wp-block-list\">\n<li>Cache Data (\uc2e4\uc81c \uce90\uc2f1\ub41c \ub370\uc774\ud130 \ube14\ub85d \uc800\uc7a5)<\/li>\n\n\n\n<li>Cache Metadata (\uc5b4\ub5a4 \ube14\ub85d\uc774 \uce90\uc2f1\ub418\uc5c8\ub294\uc9c0 \ucd94\uc801)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Cache \ubaa8\ub4dc<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Writeback \ubaa8\ub4dc (\uad8c\uc7a5)<\/strong>\n<ul class=\"wp-block-list\">\n<li>\uc4f0\uae30 \uc694\uccad\uc774 SSD\uc5d0 \uba3c\uc800 \uae30\ub85d \u2192 \uc774\ud6c4 \ube44\ub3d9\uae30\uc801\uc73c\ub85c HDD\uc5d0 \ubc18\uc601(sync).<\/li>\n\n\n\n<li>\uc7a5\uc810: \uc4f0\uae30 \uc131\ub2a5\uc774 \ud06c\uac8c \ud5a5\uc0c1\ub428.<\/li>\n\n\n\n<li>\ub2e8\uc810: SSD \uc7a5\uc560 \uc2dc \ucd5c\uadfc \ub370\uc774\ud130 \uc190\uc2e4 \uac00\ub2a5\uc131 \uc874\uc7ac.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Writethrough \ubaa8\ub4dc<\/strong>\n<ul class=\"wp-block-list\">\n<li>\ubaa8\ub4e0 \uc4f0\uae30\ub97c SSD\uc640 HDD\uc5d0 \ub3d9\uc2dc\uc5d0 \uae30\ub85d.<\/li>\n\n\n\n<li>\uc7a5\uc810: \ub370\uc774\ud130 \uc548\uc815\uc131 \u2191<\/li>\n\n\n\n<li>\ub2e8\uc810: \uc4f0\uae30 \uc131\ub2a5\uc740 HDD \uc218\uc900\uc5d0 \uba38\ubb34\ub984.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Cache \uc815\ucc45 (Policy)<\/strong>\n<ul class=\"wp-block-list\">\n<li><code>smq (Stochastic Multiqueue)<\/code>&nbsp;: \uae30\ubcf8\uac12, \uc790\uc8fc \uc4f0\uc774\ub294 \ub370\uc774\ud130\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \uce90\uc2f1.<\/li>\n\n\n\n<li><code>mq<\/code>&nbsp;: \uad6c \ubc84\uc804 \uc815\ucc45, \ud604\uc7ac\ub294 \uc798 \uc4f0\uc774\uc9c0 \uc54a\uc74c.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\ub3d9\uc791 \ud750\ub984<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>\uc77d\uae30(Read)<\/strong>:\n<ul class=\"wp-block-list\">\n<li>SSD(Cache)\uc5d0 \uc788\uc73c\uba74 \u2192 \ube60\ub978 \uc751\ub2f5 (Cache Hit).<\/li>\n\n\n\n<li>SSD\uc5d0 \uc5c6\uc73c\uba74 \u2192 HDD\uc5d0\uc11c \uac00\uc838\uc624\uace0 SSD\uc5d0 \uc801\uc7ac (Cache Miss + Promotion).<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\uc4f0\uae30(Write)<\/strong>:\n<ul class=\"wp-block-list\">\n<li>Writeback \ubaa8\ub4dc: SSD \u2192 \ub098\uc911\uc5d0 HDD \ubc18\uc601.<\/li>\n\n\n\n<li>Writethrough \ubaa8\ub4dc: SSD\uc640 HDD \ub3d9\uc2dc \uae30\ub85d.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4_Partition\"><\/span>4. Partition<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"4-1_Partition_%EC%83%9D%EC%84%B1\"><\/span>4-1. Partition \uc0dd\uc131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># parted -s \/dev\/vdb mklabel gpt\n# parted -s \/dev\/vdb mkpart vdb 1 100%\n# parted -s \/dev\/vdb set 1 lvm on<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5_PVPhysical_Volume\"><\/span>5. PV(Physical Volume)<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5-1_PVPhysical_Volume_%EC%83%9D%EC%84%B1\"><\/span>5-1. PV(Physical Volume) \uc0dd\uc131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># pvcreate \/dev\/vdb1<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"5-2_PVPhysical_Volume_%EC%83%9D%EC%84%B1_%ED%99%95%EC%9D%B8\"><\/span>5-2. PV(Physical Volume) \uc0dd\uc131 \ud655\uc778<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># pvdisplay -s<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd9c\ub825 \uc608\uc2dc:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">  Device \"\/dev\/vdb1\" has a capacity of &lt;128.00 GiB<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6_VGVolume_Group\"><\/span>6. VG(Volume Group)<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6-1_VGVolume_Group_%EC%83%9D%EC%84%B1\"><\/span>6-1. VG(Volume Group) \uc0dd\uc131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># vgcreate vg_test \/dev\/vdb1<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"6-2_VGVolume_Group_%EC%83%9D%EC%84%B1_%ED%99%95%EC%9D%B8\"><\/span>6-2. VG(Volume Group) \uc0dd\uc131 \ud655\uc778<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># vgdisplay<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd9c\ub825 \uc608\uc2dc:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">  --- Volume group ---\n  VG Name               vg_test\n  System ID\n  Format                lvm2\n  Metadata Areas        1\n  Metadata Sequence No  1\n  VG Access             read\/write\n  VG Status             resizable\n  MAX LV                0\n  Cur LV                0\n  Open LV               0\n  Max PV                0\n  Cur PV                1\n  Act PV                1\n  VG Size               &lt;128.00 GiB\n  PE Size               4.00 MiB\n  Total PE              32767\n  Alloc PE \/ Size       0 \/ 0\n  Free  PE \/ Size       32767 \/ &lt;128.00 GiB\n  VG UUID               gmjgrB-CGSb-iUmT-qd3I-QThR-Au2V-fihkA1<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7_LVLogical_Volume\"><\/span>7. LV(Logical Volume)<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7-1_LVLogical_Volume_%EC%83%9D%EC%84%B1\"><\/span>7-1. LV(Logical Volume) \uc0dd\uc131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># lvcreate -n lv_ext4 -l 32767 vg_test<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"7-2_LVLogical_Volume_%EC%83%9D%EC%84%B1_%ED%99%95%EC%9D%B8\"><\/span>7-2. LV(Logical Volume) \uc0dd\uc131 \ud655\uc778<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># lvdisplay<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd9c\ub825 \uc608\uc2dc:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">  --- Logical volume ---\n  LV Path                \/dev\/vg_test\/lv_ext4\n  LV Name                lv_ext4\n  VG Name                vg_test\n  LV UUID                fYd8cT-3u5x-t26c-19Sf-9yxp-llo3-CT54Y9\n  LV Write Access        read\/write\n  LV Creation host, time KVM01, 2025-09-06 17:08:09 +0900\n  LV Status              available\n  # open                 0\n  LV Size                &lt;128.00 GiB\n  Current LE             32767\n  Segments               1\n  Allocation             inherit\n  Read ahead sectors     auto\n  - currently set to     256\n  Block device           252:0<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8_%ED%8C%8C%EC%9D%BC_%EC%8B%9C%EC%8A%A4%ED%85%9C\"><\/span>8. \ud30c\uc77c \uc2dc\uc2a4\ud15c<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"8-1_%ED%8C%8C%EC%9D%BC_%EC%8B%9C%EC%8A%A4%ED%85%9C_%EC%83%9D%EC%84%B1\"><\/span>8-1. \ud30c\uc77c \uc2dc\uc2a4\ud15c \uc0dd\uc131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># mkfs.ext4 \/dev\/vg_test\/lv_ext4<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"9_%EB%A7%88%EC%9A%B4%ED%8A%B8\"><\/span>9. \ub9c8\uc6b4\ud2b8<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"9-1_%EB%A7%88%EC%9A%B4%ED%8A%B8_%ED%8F%AC%EC%9D%B8%ED%8A%B8_%EC%83%9D%EC%84%B1\"><\/span>9-1. \ub9c8\uc6b4\ud2b8 \ud3ec\uc778\ud2b8 \uc0dd\uc131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># mkdir \/mnt\/ext4<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"9-2_%EB%A7%88%EC%9A%B4%ED%8A%B8\"><\/span>9-2. \ub9c8\uc6b4\ud2b8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># mount \/dev\/vg_test\/lv_ext4 \/mnt\/ext4\/<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"9-3_%EB%A7%88%EC%9A%B4%ED%8A%B8_%ED%99%95%EC%9D%B8\"><\/span>9-3. \ub9c8\uc6b4\ud2b8 \ud655\uc778<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># df -Th \/mnt\/ext4\/<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd9c\ub825 \uc608\uc2dc:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Filesystem                  Type  Size  Used Avail Use% Mounted on\n\/dev\/mapper\/vg_test-lv_ext4 ext4  126G   24K  120G   1% \/mnt\/ext4<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"10_Partition\"><\/span>10. Partition<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"10-1_Partition_%EC%83%9D%EC%84%B1\"><\/span>10-1. Partition \uc0dd\uc131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># parted -s \/dev\/vdc mklabel gpt\n# parted -s \/dev\/vdc mkpart vdc 1 100%\n# parted -s \/dev\/vdc set 1 lvm on<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"11_PVPhysical_Volume\"><\/span>11. PV(Physical Volume)<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"11-1_PVPhysical_Volume_%EC%83%9D%EC%84%B1\"><\/span>11-1. PV(Physical Volume) \uc0dd\uc131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># pvcreate \/dev\/vdc1<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd9c\ub825 \uc608\uc2dc:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">  Physical volume \"\/dev\/vdc1\" successfully created.<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"11-2_PVPhysical_Volume_%EC%83%9D%EC%84%B1_%ED%99%95%EC%9D%B8\"><\/span>11-2. PV(Physical Volume) \uc0dd\uc131 \ud655\uc778<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># pvdisplay -s<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd9c\ub825 \uc608\uc2dc:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">  Device \"\/dev\/vdb1\" has a capacity of 0\n  Device \"\/dev\/vdc1\" has a capacity of &lt;128.00 GiB<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"12_VGVolume_Group\"><\/span>12. VG(Volume Group)<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"12-1_VGVolume_Group_%ED%99%95%EC%9D%B8\"><\/span>12-1. VG(Volume Group) \ud655\uc778<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># vgdisplay -s<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd9c\ub825 \uc608\uc2dc:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">  \"vg_test\" &lt;128.00 GiB [&lt;128.00 GiB used \/ 0    free]<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"12-2_VGVolume_Group_%ED%99%95%EC%9E%A5\"><\/span>12-2. VG(Volume Group) \ud655\uc7a5<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># vgextend vg_test \/dev\/vdc1<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd9c\ub825 \uc608\uc2dc:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">  Volume group \"vg_test\" successfully extended<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"12-3_VGVolume_Group_%ED%99%95%EC%9E%A5_%ED%99%95%EC%9D%B8\"><\/span>12-3. VG(Volume Group) \ud655\uc7a5 \ud655\uc778<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># vgdisplay -s<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd9c\ub825 \uc608\uc2dc:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">  \"vg_test\" 255.99 GiB [&lt;128.00 GiB used \/ &lt;128.00 GiB free]<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"13_LVLogical_Volume\"><\/span>13. LV(Logical Volume)<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"13-1_Cache_Pool_%EC%83%9D%EC%84%B1\"><\/span>13-1. Cache Pool \uc0dd\uc131<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># lvcreate --type cache-pool -n cachepool -L 100G vg_test \/dev\/vdc1<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd9c\ub825 \uc608\uc2dc:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">  Using 128.00 KiB chunk size instead of default 64.00 KiB, so cache pool has less than 1000000 chunks.\n  Logical volume \"cachepool\" created.<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"13-2_Cache_Pool_%EC%83%9D%EC%84%B1_%ED%99%95%EC%9D%B8\"><\/span>13-2. Cache Pool \uc0dd\uc131 \ud655\uc778<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># lvdisplay vg_test\/cachepool<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd9c\ub825 \uc608\uc2dc:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">  --- Logical volume ---\n  LV Path                \/dev\/vg_test\/cachepool\n  LV Name                cachepool\n  VG Name                vg_test\n  LV UUID                XU13p3-mOHa-vM0Q-IuQ3-Baon-m9hC-NksTly\n  LV Write Access        read\/write\n  LV Creation host, time KVM01, 2025-09-06 17:14:06 +0900\n  LV Pool metadata       cachepool_cmeta\n  LV Pool data           cachepool_cdata\n  LV Status              NOT available\n  LV Size                100.00 GiB\n  Current LE             25600\n  Segments               1\n  Allocation             inherit\n  Read ahead sectors     auto<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"13-3_LV_Cache\"><\/span>13-3. LV Cache<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"13-3-1_LV_Cache_%EC%A0%81%EC%9A%A9_%EC%A0%84_%ED%99%95%EC%9D%B8\"><\/span>13-3-1. LV Cache \uc801\uc6a9 \uc804 \ud655\uc778<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># lvdisplay -m \/dev\/vg_test\/lv_ext4<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd9c\ub825 \uc608\uc2dc:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">  --- Logical volume ---\n  LV Path                \/dev\/vg_test\/lv_ext4\n  LV Name                lv_ext4\n  VG Name                vg_test\n  LV UUID                UlcPen-hyeP-mDfM-pnd1-jGLE-RtdW-Dp2XnI\n  LV Write Access        read\/write\n  LV Creation host, time KVM01, 2025-09-07 12:00:36 +0900\n  LV Status              available\n  # open                 1\n  LV Size                &lt;128.00 GiB\n  Current LE             32767\n  Segments               1\n  Allocation             inherit\n  Read ahead sectors     auto\n  - currently set to     256\n  Block device           252:0\n\n  --- Segments ---\n  Logical extents 0 to 32766:\n    Type                linear\n    Physical volume     \/dev\/vdb1\n    Physical extents    0 to 32766<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># lvs -a -o lv_name,segtype,cache_mode,cache_policy,metadata_percent,data_percent,devices vg_test<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd9c\ub825 \uc608\uc2dc:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">  LV                Type       CacheMode CachePolicy Meta%  Data%  Devices\n  cachepool         cache-pool                                     cachepool_cdata(0)\n  [cachepool_cdata] linear                                         \/dev\/vdc1(20)\n  [cachepool_cmeta] linear                                         \/dev\/vdc1(10)\n  lv_ext4           linear                                         \/dev\/vdb1(0)\n  [lvol0_pmspare]   linear                                         \/dev\/vdc1(0)<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"13-3-2_LV_Cache_%EC%A0%81%EC%9A%A9\"><\/span>13-3-2. LV Cache \uc801\uc6a9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># lvconvert --type cache --cachepool vg_test\/cachepool --cachemode writeback vg_test\/lv_ext4<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd9c\ub825 \uc608\uc2dc:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">Do you want wipe existing metadata of cache pool vg_test\/cachepool? [y\/n]: **y**\n  Logical volume vg_test\/lv_ext4 is now cached.<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"13-3-3_LV_Cache_%EC%A0%81%EC%9A%A9_%ED%99%95%EC%9D%B8\"><\/span>13-3-3. LV Cache \uc801\uc6a9 \ud655\uc778<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># lvdisplay -m \/dev\/vg_test\/lv_ext4<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd9c\ub825 \uc608\uc2dc:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">  --- Logical volume ---\n  LV Path                \/dev\/vg_test\/lv_ext4\n  LV Name                lv_ext4\n  VG Name                vg_test\n  LV UUID                UlcPen-hyeP-mDfM-pnd1-jGLE-RtdW-Dp2XnI\n  LV Write Access        read\/write\n  LV Creation host, time KVM01, 2025-09-07 12:00:36 +0900\n  LV Cache pool name     cachepool_cpool\n  LV Cache origin name   lv_ext4_corig\n  LV Status              available\n  # open                 1\n  LV Size                &lt;128.00 GiB\n  Cache used blocks      0.01%\n  Cache metadata blocks  16.14%\n  Cache dirty blocks     0.00%\n  Cache read hits\/misses 5 \/ 34\n  Cache wrt hits\/misses  0 \/ 0\n  Cache demotions        0\n  Cache promotions       4\n  Current LE             32767\n  Segments               1\n  Allocation             inherit\n  Read ahead sectors     auto\n  - currently set to     512\n  Block device           252:0\n\n  --- Segments ---\n  Logical extents 0 to 32766:\n    Type                cache\n    Chunk size          128.00 KiB\n    Metadata format     2\n    Mode                writeback\n    Policy              smq<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># lvs -a -o lv_name,segtype,cache_mode,cache_policy,metadata_percent,data_percent,devices vg_test<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucd9c\ub825 \uc608\uc2dc:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">  LV                      Type       CacheMode CachePolicy Meta%  Data%  Devices\n  [cachepool_cpool]       cache-pool writeback smq         16.14  0.01   cachepool_cpool_cdata(0)\n  [cachepool_cpool_cdata] linear                                         \/dev\/vdc1(20)\n  [cachepool_cpool_cmeta] linear                                         \/dev\/vdc1(10)\n  lv_ext4                 cache      writeback smq         16.14  0.01   lv_ext4_corig(0)\n  [lv_ext4_corig]         linear                                         \/dev\/vdb1(0)\n  [lvol0_pmspare]         linear                                         \/dev\/vdc1(0)<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n\n\n\n<h1 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"14_%ED%99%95%EC%9D%B8\"><\/span>14. \ud655\uc778<span class=\"ez-toc-section-end\"><\/span><\/h1>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"14-1_%ED%8C%A8%ED%82%A4%EC%A7%80_%EC%84%A4%EC%B9%98\"><\/span>14-1. \ud328\ud0a4\uc9c0 \uc124\uce58<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># dnf -y install sysstat<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"14-2_iostat_%EC%8B%A4%ED%96%89\"><\/span>14-2. iostat \uc2e4\ud589<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># iostat -x \/dev\/vdb1 \/dev\/vdc1 1<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"14-3_%EC%93%B0%EA%B8%B0_%ED%85%8C%EC%8A%A4%ED%8A%B8\"><\/span>14-3. \uc4f0\uae30 \ud14c\uc2a4\ud2b8<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"diff\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"># dd if=\/dev\/zero of=\/mnt\/ext4\/test  file bs=1024M count=100 oflag=direct<\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><br><br><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"14-4_%ED%99%95%EC%9D%B8\"><\/span>14-4. \ud655\uc778<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc4f0\uae30 \uc2dc \uce90\uc2dc \ub514\uc2a4\ud06c(vdc1)\uc758 w\/s \uac12\uc774 \uc62c\ub77c\uac00\ub294 \uac83\uc744 \ud655\uc778 \ud558\uc2e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"69\" src=\"https:\/\/seuheu.com\/wp-content\/uploads\/2025\/09\/batch_1-1024x69.jpg\" alt=\"\" class=\"wp-image-1877\" srcset=\"https:\/\/seuheu.com\/wp-content\/uploads\/2025\/09\/batch_1-1024x69.jpg 1024w, https:\/\/seuheu.com\/wp-content\/uploads\/2025\/09\/batch_1-300x20.jpg 300w, https:\/\/seuheu.com\/wp-content\/uploads\/2025\/09\/batch_1-768x52.jpg 768w, https:\/\/seuheu.com\/wp-content\/uploads\/2025\/09\/batch_1.jpg 1386w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\uc4f0\uae30\uac00 \uc644\ub8cc \ub41c \ub2e4\uc74c \uce90\uc2dc \ub514\uc2a4\ud06c\ub294 r\/s \uac12\uc774 \uc62c\ub77c\uac00\ub294 \uac83\uc744 \ud655\uc778 \ud558\uc2e4 \uc218 \uc788\uace0, \uc6d0\ubcf8 LV \ub514\uc2a4\ud06c\ub294 w\/s \uac12\uc774 \uc62c\ub77c\uac00\ub294 \uac83\uc744 \ud655\uc778 \ud558\uc2e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"69\" src=\"https:\/\/seuheu.com\/wp-content\/uploads\/2025\/09\/batch_2-1024x69.jpg\" alt=\"\" class=\"wp-image-1878\" srcset=\"https:\/\/seuheu.com\/wp-content\/uploads\/2025\/09\/batch_2-1024x69.jpg 1024w, https:\/\/seuheu.com\/wp-content\/uploads\/2025\/09\/batch_2-300x20.jpg 300w, https:\/\/seuheu.com\/wp-content\/uploads\/2025\/09\/batch_2-768x52.jpg 768w, https:\/\/seuheu.com\/wp-content\/uploads\/2025\/09\/batch_2.jpg 1386w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-wide\"\/>\n","protected":false},"excerpt":{"rendered":"<p>1. \uac1c\uc694 2. \ubc84\uc804 3. \uc124\uba85 3-1. LVM Cache\ub780? 3-2. LVM Cache \ub3d9\uc791 \ubc29\uc2dd 4. Partition 4-1. Partition \uc0dd\uc131 5. PV(Physical Volume) 5-1. PV(Physical Volume) \uc0dd\uc131 5-2. PV(Physical Volume) \uc0dd\uc131 \ud655\uc778 \ucd9c\ub825 \uc608\uc2dc: 6. VG(Volume Group) 6-1. VG(Volume Group) \uc0dd\uc131 6-2. VG(Volume Group) \uc0dd\uc131 \ud655\uc778 \ucd9c\ub825 \uc608\uc2dc: 7. LV(Logical Volume) 7-1. LV(Logical Volume) \uc0dd\uc131 7-2. &#8230; <a title=\"[Linux] Rocky Linux 9.5 LVM Cache \uc124\uc815\uacfc \uc131\ub2a5 \ud14c\uc2a4\ud2b8\" class=\"read-more\" href=\"https:\/\/seuheu.com\/?p=1875\" aria-label=\"[Linux] Rocky Linux 9.5 LVM Cache \uc124\uc815\uacfc \uc131\ub2a5 \ud14c\uc2a4\ud2b8\uc5d0 \ub300\ud574 \ub354 \uc790\uc138\ud788 \uc54c\uc544\ubcf4\uc138\uc694\">\ub354 \uc77d\uae30<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33,31],"tags":[],"class_list":["post-1875","post","type-post","status-publish","format-standard","hentry","category-rocky9","category-linuix"],"_links":{"self":[{"href":"https:\/\/seuheu.com\/index.php?rest_route=\/wp\/v2\/posts\/1875","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/seuheu.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/seuheu.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/seuheu.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/seuheu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1875"}],"version-history":[{"count":3,"href":"https:\/\/seuheu.com\/index.php?rest_route=\/wp\/v2\/posts\/1875\/revisions"}],"predecessor-version":[{"id":1888,"href":"https:\/\/seuheu.com\/index.php?rest_route=\/wp\/v2\/posts\/1875\/revisions\/1888"}],"wp:attachment":[{"href":"https:\/\/seuheu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1875"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/seuheu.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1875"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/seuheu.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1875"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}