{"id":794,"date":"2026-11-13T16:25:00","date_gmt":"2026-11-13T07:25:00","guid":{"rendered":"https:\/\/blog.gerd.kr\/?p=794"},"modified":"2026-11-13T16:29:20","modified_gmt":"2026-11-13T07:29:20","slug":"zfs-%ed%8a%b8%eb%9f%ac%eb%b8%94%ec%8a%88%ed%8c%85-%ec%ba%90%ec%8b%9ccache-%ed%82%a4%ec%9b%8c%eb%93%9c-%eb%88%84%eb%9d%bd%ec%9c%bc%eb%a1%9c-%ec%9e%98%eb%aa%bb-%ec%b6%94%ea%b0%80%eb%90%9c-vdev","status":"publish","type":"post","link":"https:\/\/blog.gerd.kr\/?p=794","title":{"rendered":"[ZFS \ud2b8\ub7ec\ube14\uc288\ud305] \uce90\uc2dc(cache) \ud0a4\uc6cc\ub4dc \ub204\ub77d\uc73c\ub85c \uc798\ubabb \ucd94\uac00\ub41c VDEV \ubcf5\uad6c\uae30 (RAIDZ2 \uc804\uccb4 \ubc31\uc5c5 \ubc0f \uc7ac\uad6c\uc131)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\uc11c\ubc84\uc758 \uba54\uc778\ubcf4\ub4dc\ub97c \uad50\uccb4\ud558\uba74\uc11c ZFS \ud480\uc744 \ub2e4\uc2dc \uad6c\uc131\ud588\ub294\ub370, \uadf8 \ub54c \uc2e4\uc218\ud588\ub2e4. \uae09\ud55c \ub9c8\uc74c\uc5d0 \uc778\ud130\ub137 \uac80\uc0c9\uc744 \ud588\ub294\ub370, \uc624\ub77c\ud074 \uac00\ub77c\uc0ac\ub300&#8230;<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">ZFS \ub85c\uadf8 \ub610\ub294 \uce90\uc2dc \uc7a5\uce58\ub294 zpool add<br>\uba85\ub839\uc744 \uc0ac\uc6a9\ud558\uc5ec \uae30\uc874 ZFS \uc800\uc7a5\uc18c \ud480\uc5d0 \ucd94\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. zpool add \uba85\ub839\uc744 \uc0ac\uc6a9\ud560 \ub54c\ub294 \uac01\ubcc4\ud788 \uc2e0\uc911\ud574\uc57c \ud569\ub2c8\ub2e4. \uc2e4\uc218\ub85c \ub85c\uadf8 \uc7a5\uce58\ub97c \uc77c\ubc18 \ud480 \uc7a5\uce58\ub85c \ucd94\uac00\ud558\uba74 \ucc98\uc74c\ubd80\ud130 \ub2e4\uc2dc \ud480\uc744 \uc0ad\uc81c\ud558\uace0 \ubcf5\uc6d0\ud574\uc57c \ud569\ub2c8\ub2e4. \uac1c\ubcc4 \ub85c\uadf8 \uc7a5\uce58 \uc790\uccb4\ub294 \ud480\uc5d0\uc11c \uc81c\uac70\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\"><a href=\"https:\/\/docs.oracle.com\/cd\/E56343_01\/html\/E53992\/gnjlj.html\">https:\/\/docs.oracle.com\/cd\/E56343_01\/html\/E53992\/gnjlj.html<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub78d\uc2e0\ub2e4&#8230;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uadf8\ub798\uc11c Gemini \uc5d0\uac8c \ubb3c\uc5b4\ubd10\uc11c \uc5b4\ub5bb\uac8c\ub4e0 \ud574\uacb0\ud588\ub2e4. \uc774 \uc544\ub798\ub294 Gomini \uac00 \ub0b4\uc6a9\uc744 \uc815\ub9ac\ud574 \uc900 \uac78 \uace0\ub300\ub85c \uac00\uc838\ub2e4 \ubd99\uc778\uac70\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p class=\"wp-block-paragraph\">\ud648\uc11c\ubc84\uc5d0\uc11c ZFS \ud480(<code>tank0<\/code>)\uc758 \uc77d\uae30 \uc131\ub2a5 \ud5a5\uc0c1\uc744 \uc704\ud574 NVMe SSD\ub97c L2ARC \uce90\uc2dc\ub85c \ucd94\uac00\ud558\ub824\ub2e4, \uba85\ub839\uc5b4\uc5d0 <code>cache<\/code> \ud0a4\uc6cc\ub4dc\ub97c \ube7c\uba39\ub294 \uc544\ucc14\ud55c \uc2e4\uc218\ub97c \uc800\uc9c8\ub800\uc2b5\ub2c8\ub2e4. \ub2e4\ud589\ud788 \ub370\uc774\ud130 \uc190\uc2e4 \uc5c6\uc774 \uc804\uccb4 \ubc31\uc5c5 \ud6c4 \ud480\uc744 \uc7ac\uad6c\uc131\ud558\uc5ec \ubb34\uc0ac\ud788 \ubcf5\uad6c\ud55c \uacfc\uc815\uc744 \uae30\ub85d\uc73c\ub85c \ub0a8\uae41\ub2c8\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. \uc0ac\uac74\uc758 \ubc1c\ub2e8: <code>cache<\/code> \ud0a4\uc6cc\ub4dc \ub204\ub77d<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\uc6d0\ub798 \uc785\ub825\ud588\uc5b4\uc57c \ud560 \uba85\ub839\uc5b4\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo zpool add tank0 cache \/dev\/nvme0n1\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ud558\uc9c0\ub9cc \uae09\ud55c \ub9c8\uc74c\uc5d0 <code>cache<\/code>\ub97c \ube7c\uba39\uace0 \uc544\ub798\ucc98\ub7fc \uc2e4\ud589\ud574 \ubc84\ub838\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo zpool add -f tank0 \/dev\/nvme0n1\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">\ubb34\uc5c7\uc774 \ubb38\uc81c\uc778\uac00?<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\"><code>zpool status<\/code>\ub85c \ud655\uc778\ud574 \ubcf4\ub2c8, NVMe SSD\uac00 \ubcc4\ub3c4\uc758 <code>cache<\/code> \uc139\uc158\uc774 \uc544\ub2c8\ub77c \uae30\uc874 <strong>RAIDZ2 \uadf8\ub8f9\uacfc \ub3d9\uae09\uc758 \ucd5c\uc0c1\uc704 \ub2e8\uc77c VDEV<\/strong>\ub85c \ud3b8\uc785\ub418\uc5b4 \ubc84\ub838\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Plaintext<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>config:\n        NAME        STATE     READ WRITE CKSUM\n        tank0       ONLINE       0     0     0\n          raidz2-0  ONLINE       0     0     0\n            ... (\uae30\uc874 HDD 6\uac1c)\n          nvme0n1   ONLINE       0     0     0  &lt;-- \ucd5c\uc0c1\uc704 VDEV\ub85c \ub4e4\uc5b4\uac10!\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\uce58\uba85\uc801 \uc704\ud5d8:<\/strong> \ub514\uc2a4\ud06c 2\uac1c \uace0\uc7a5\uae4c\uc9c0 \ubc84\ud2f0\ub294 <code>raidz2<\/code> \ud480\uc5d0 \ub2e8\uc77c \ub514\uc2a4\ud06c(<code>nvme0n1<\/code>)\uac00 \uc2a4\ud2b8\ub77c\uc774\ud504(RAID 0 \ud615\ud0dc)\ub85c \ubb36\uc774\uba74\uc11c, \uc774 NVMe SSD \ub2e8 1\uac1c\ub9cc \uace0\uc7a5 \ub098\ub3c4 \uc57d 2TB\uc5d0 \ub2ec\ud558\ub294 \ud480 \uc804\uccb4 \ub370\uc774\ud130\uac00 \uc99d\ubc1c\ud558\ub294 \ub2e8\uc77c \uc7a5\uc560\uc810(SPOF)\uc774 \uc0dd\uaca8\ubc84\ub838\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n<li><strong>\uc81c\uac70 \ubd88\uac00:<\/strong> ZFS\uc758 <code>zpool remove<\/code> \uba85\ub839\uc740 \ubaa8\ub4e0 \ucd5c\uc0c1\uc704 VDEV\uac00 \ub3d9\uc77c\ud55c \ud0c0\uc785(\ub2e8\uc77c \ub514\uc2a4\ud06c \ub610\ub294 \ubbf8\ub7ec)\uc77c \ub54c\ub9cc \uc791\ub3d9\ud569\ub2c8\ub2e4. \uae30\uc874 \ud480\uc774 <code>raidz2<\/code>\uc600\uae30 \ub54c\ubb38\uc5d0 <code>cannot remove nvme0n1: invalid config<\/code> \uc5d0\ub7ec\uac00 \ubc1c\uc0dd\ud558\uba70 \uc81c\uac70\uac00 \ubd88\uac00\ub2a5\ud588\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. \ud574\uacb0 \uc804\ub7b5<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">RAIDZ\uac00 \ud3ec\ud568\ub41c \ud480\uc5d0\uc11c\ub294 \uc798\ubabb \ucd94\uac00\ub41c \ucd5c\uc0c1\uc704 VDEV\ub97c \ube7c\ub0bc \uc218 \uc5c6\uc73c\ubbc0\ub85c, <strong>\ud480\uc744 \ubc31\uc5c5\ud55c \ub4a4 \ud30c\uad34(Destroy)\ud558\uace0 \uc62c\ubc14\ub974\uac8c \uc7ac\uc0dd\uc131<\/strong>\ud558\ub294 \uac83\uc774 \uc720\uc77c\ud558\uace0 \uc548\uc804\ud55c \ud574\uacb0\ucc45\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li>\ud480\uc744 \uc77d\uae30 \uc804\uc6a9(<code>readonly=on<\/code>)\uc73c\ub85c \uc804\ud658\ud574 \ucd94\uac00 \uc4f0\uae30 \ubc0f \ub370\uc774\ud130 \ubd84\uc0b0 \uc624\uc5fc \ubc29\uc9c0<\/li>\n\n\n\n<li>\uc5ec\ubd84\uc758 \uc2a4\ud1a0\ub9ac\uc9c0\uc5d0 <code>zfs send<\/code>\ub85c \uc804\uccb4 \uc2a4\ub0c5\uc0f7 \uc2a4\ud2b8\ub9bc \ubc31\uc5c5<\/li>\n\n\n\n<li>\uae30\uc874 \ud480 \uc5b8\ub9c8\uc6b4\ud2b8 \ubc0f \ud30c\uad34(<code>zpool destroy<\/code>)<\/li>\n\n\n\n<li>\uc62c\ubc14\ub978 <code>raidz2<\/code> + <code>cache<\/code> \uad6c\uc870\ub85c \ud480 \uc7ac\uc0dd\uc131<\/li>\n\n\n\n<li>\ubc31\uc5c5 \ub370\uc774\ud130 \ubcf5\uc6d0(<code>zfs receive<\/code>) \ubc0f \uad8c\ud55c \ubcf5\uad6c<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">3. \ub2e8\uacc4\ubcc4 \ubcf5\uad6c \uacfc\uc815<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">1\ub2e8\uacc4: \uc11c\ube44\uc2a4 \uc911\uc9c0 \ubc0f \uc77d\uae30 \uc804\uc6a9(Read-Only) \uc7a0\uae08<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0c8\ub85c\uc6b4 \ud30c\uc77c\uc774 \uc4f0\uc5ec NVMe\ub85c \ub370\uc774\ud130\uac00 \ubd84\uc0b0\ub418\ub294 \uac83\uc744 \ub9c9\uae30 \uc704\ud574 \uad00\ub828 \uc11c\ube44\uc2a4\ub97c \ub0b4\ub9ac\uace0 \ud480\uc744 \uc77d\uae30 \uc804\uc6a9\uc73c\ub85c \uc7a0\uac14\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \uc11c\ube44\uc2a4 \uc911\uc9c0\nsudo systemctl stop mariadb gitea calibre-web komga apache2 docker\n\n# \ud480 \uc804\uccb4 \uc77d\uae30 \uc804\uc6a9 \uc804\ud658\nsudo zfs set readonly=on tank0\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">2\ub2e8\uacc4: \uc7ac\uadc0 \uc2a4\ub0c5\uc0f7 \uc0dd\uc131 \ubc0f \uc804\uccb4 \ubc31\uc5c5 (<code>zfs send<\/code>)<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uc57d 2.05TB\uc758 \ub370\uc774\ud130\ub97c \uc62e\uae30\uae30 \uc704\ud574 \uc5ec\uc720 \uacf5\uac04\uc774 3.4TB \ub0a8\uc544\uc788\ub358 \ubcf4\uc870 \ubcfc\ub968(<code>\/mnt\/syn2<\/code>)\uc744 \ubc31\uc5c5 \uc800\uc7a5\uc18c\ub85c \ud65c\uc6a9\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \uc804\uccb4 \ud558\uc704 \ub370\uc774\ud130\uc14b \ud3ec\ud568 \uc7ac\uadc0 \uc2a4\ub0c5\uc0f7 \uc0dd\uc131\nsudo zfs snapshot -r tank0@migration\n\n# \ubc31\uc5c5 \ud30c\uc77c\ub85c \uc2a4\ud2b8\ub9bc \uc804\uc1a1 (\uc57d 1\uc2dc\uac04 30\ubd84~2\uc2dc\uac04 \uc18c\uc694)\nsudo zfs send -pvR tank0@migration | sudo tee \/mnt\/syn2\/zfs_backup\/tank0_full.zfs &gt; \/dev\/null\n<\/code><\/pre>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>zfs list -t snapshot<\/code>\uc73c\ub85c \ubaa8\ub4e0 \ub370\uc774\ud130\uc14b\uc758 \uc2a4\ub0c5\uc0f7 \uc0dd\uc131\uc744 \ud655\uc778\ud55c \ub4a4 \uc804\uc1a1\uc744 \uc2dc\uc791\ud588\uc2b5\ub2c8\ub2e4. \ubc31\uc5c5\uc740 \uc21c\ucc28 \uc77d\uae30 \uc704\uc8fc\ub77c \ucd08\ub2f9 300~400MB\/s \uc18d\ub3c4\ub85c \ube44\uad50\uc801 \ube60\ub974\uac8c \uc644\ub8cc\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">3\ub2e8\uacc4: \uae30\uc874 \ud480 \ud574\uccb4 \ubc0f NVMe \ucd08\uae30\ud654<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc31\uc5c5 \ud30c\uc77c \uc6a9\ub7c9\uc774 \uc815\uc0c1(\uc57d 2TB)\uc778 \uac83\uc744 \ud655\uc778\ud55c \ub4a4, \ub9c8\uc6b4\ud2b8\ub97c \ud574\uc81c\ud558\uace0 \ud480\uc744 \uc0ad\uc81c\ud588\uc2b5\ub2c8\ub2e4. (<code>pool is busy<\/code>\uac00 \ub730 \uacbd\uc6b0 <code>fuser<\/code> \ub4f1\uc73c\ub85c \uc810\uc720 \ud504\ub85c\uc138\uc2a4\ub97c \uc815\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4.)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \ubaa8\ub4e0 \ub370\uc774\ud130\uc14b \uac15\uc81c \uc5b8\ub9c8\uc6b4\ud2b8\nsudo zfs unmount -f -a\n\n# \ud480 \uc0ad\uc81c\nsudo zpool destroy -f tank0\n\n# NVMe\uc5d0 \ub0a8\uc740 \uae30\uc874 ZFS \uba54\ud0c0\ub370\uc774\ud130 \uc9c0\uc6b0\uae30\nsudo wipefs -a \/dev\/nvme0n1\n<\/code><\/pre>\n\n\n\n<h4 class=\"wp-block-heading\">4\ub2e8\uacc4: \ud480 \uc7ac\uc0dd\uc131 \ubc0f \uc815\uc2dd <code>cache<\/code> \ub4f1\ub85d<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\uc874 6\uac1c\uc758 \ud558\ub4dc\ub514\uc2a4\ud06c\ub85c <code>raidz2<\/code> \ud480\uc744 \ub2e4\uc2dc \ub9cc\ub4e4\uace0, \uc774\ubc88\uc5d0\ub294 <strong>\ubc18\ub4dc\uc2dc <code>cache<\/code> \ud0a4\uc6cc\ub4dc\ub97c \ud3ec\ud568<\/strong>\ud558\uc5ec NVMe\ub97c \ub4f1\ub85d\ud588\uc2b5\ub2c8\ub2e4. (\ucd94\ud6c4 \ub514\uc2a4\ud06c \uc21c\uc11c \uaf2c\uc784 \ubc29\uc9c0\ub97c \uc704\ud574 <code>\/dev\/disk\/by-id\/<\/code> \uacbd\ub85c \uc0ac\uc6a9\uc744 \uad8c\uc7a5\ud569\ub2c8\ub2e4.)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># RAIDZ2 \ud480 \uc0dd\uc131\nsudo zpool create -o ashift=12 tank0 raidz2 &lt;\ub514\uc2a4\ud06c1&gt; &lt;\ub514\uc2a4\ud06c2&gt; &lt;\ub514\uc2a4\ud06c3&gt; &lt;\ub514\uc2a4\ud06c4&gt; &lt;\ub514\uc2a4\ud06c5&gt; &lt;\ub514\uc2a4\ud06c6&gt;\n\n# L2ARC \uce90\uc2dc \ucd94\uac00\nsudo zpool add tank0 cache \/dev\/nvme0n1\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><code>sudo zpool status tank0<\/code> \uba85\ub839\uc73c\ub85c <code>raidz2-0<\/code> \uc544\ub798\uc5d0 \ub514\uc2a4\ud06c 6\uac1c\uac00, \uadf8\ub9ac\uace0 \ubcc4\ub3c4\uc758 <code>cache<\/code> \ud56d\ubaa9 \uc544\ub798\uc5d0 <code>nvme0n1<\/code>\uc774 \uc815\uc0c1\uc801\uc73c\ub85c \uc790\ub9ac \uc7a1\uc740 \uac83\uc744 \ud655\uc778\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">5\ub2e8\uacc4: \ub370\uc774\ud130 \ubcf5\uc6d0 (<code>zfs receive<\/code>) \ubc0f \ub9c8\ubb34\ub9ac<\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc31\uc5c5\ud574 \ub454 \uc2a4\ud2b8\ub9bc \ud30c\uc77c\uc744 \uc0c8 \ud480\ub85c \ubc00\uc5b4 \ub123\uc5b4 \ubcf5\uc6d0\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>sudo zfs receive -Fv tank0 &lt; \/mnt\/syn2\/zfs_backup\/tank0_full.zfs\n<\/code><\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><strong>\ud83d\udca1 \ubcf5\uc6d0 \uc2dc \ucc38\uace0 \uc0ac\ud56d (\ub9e4\uc6b0 \uc624\ub798 \uac78\ub9bd\ub2c8\ub2e4!)<\/strong> \ubc31\uc5c5\ud560 \ub54c\ub294 2\uc2dc\uac04\ub3c4 \uc548 \uac78\ub838\uc9c0\ub9cc, \ubcf5\uc6d0\ud560 \ub54c\ub294 <strong>RAIDZ2\uc758 \uc2e4\uc2dc\uac04 \uc774\uc911 \ud328\ub9ac\ud2f0 \uacc4\uc0b0<\/strong>\uacfc Nextcloud \ub4f1\uc5d0 \ud3ec\ud568\ub41c <strong>\uc218\ubc31\ub9cc \uac1c\uc758 \uc790\uc798\ud55c \ud30c\uc77c(Small Files) \ub79c\ub364 \uc4f0\uae30<\/strong> \ub54c\ubb38\uc5d0 \uc2dc\uac04\uc774 \ud6e8\uc52c \uc624\ub798 \uac78\ub838\uc2b5\ub2c8\ub2e4(\uc57d 10\uc2dc\uac04 \uc774\uc0c1 \uc18c\uc694). \ub610\ud55c <code>zpool iostat<\/code>\uc5d0\uc11c <code>alloc<\/code> \uc6a9\ub7c9\uc774 \uc6d0\ubcf8(2.05TB)\ubcf4\ub2e4 \ud070 \uc57d 3.0TB \uc218\uc900\uae4c\uc9c0 \uc62c\ub77c\uac00\ub294\ub370, \uc774\ub294 \ud328\ub9ac\ud2f0 \uacf5\uac04\uc774 \ud569\uc0b0\ub41c \uc815\uc0c1 \uc218\uce58\uc785\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\ubcf5\uc6d0\uc774 \ub05d\ub09c \ub4a4\uc5d0\ub294 \ubc31\uc5c5 \ub2f9\uc2dc \uac78\uc5b4\ub450\uc5c8\ub358 <code class=\"\">readonly<\/code> \uc18d\uc131\uc744 \ud574\uc81c\ud574\uc57c \uc815\uc0c1\uc801\uc778 \uc4f0\uae30\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Bash<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \uc77d\uae30 \uc804\uc6a9 \ud574\uc81c (\ud558\uc704 \ub370\uc774\ud130\uc14b\uae4c\uc9c0 \uc77c\uad04 \uc801\uc6a9)\nsudo zfs set readonly=off tank0\nsudo zfs inherit -r readonly tank0\n\n# \ub9c8\uc6b4\ud2b8 \uc801\uc6a9 \ubc0f \uc11c\ube44\uc2a4 \uc7ac\uac00\ub3d9\nsudo zfs mount -a\nsudo systemctl start mariadb gitea calibre-web komga apache2 docker\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">4. \uad50\ud6c8 \ubc0f \uc694\uc57d<\/h3>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><code>zpool add<\/code> \uba85\ub839\uc5b4\ub97c \uce60 \ub54c\ub294 \uc5d4\ud130\ub97c \ub204\ub974\uae30 \uc804 <strong><code>cache<\/code>\ub098 <code>log<\/code> \uac19\uc740 VDEV \ud0c0\uc785 \ud0a4\uc6cc\ub4dc\uac00 \uc81c\ub300\ub85c \ub4e4\uc5b4\uac14\ub294\uc9c0 \ub450 \ubc88, \uc138 \ubc88 \ud655\uc778<\/strong>\ud558\uc790.<\/li>\n\n\n\n<li>\uc2e4\uc218\ub85c \uc798\ubabb \ucd94\uac00\ud588\ub354\ub77c\ub3c4 \ub2f9\ud669\ud574\uc11c \ub514\uc2a4\ud06c\ub97c \ubf51\uac70\ub098 \uac15\uc81c \uc0ad\uc81c(<code>destroy -f<\/code>)\ubd80\ud130 \ud558\uc9c0 \ub9d0\uace0, <strong>\uc989\uc2dc <code>readonly=on<\/code>\uc73c\ub85c \uc7a0\uadfc \ub4a4 \ubc31\uc5c5 \uacf5\uac04\ubd80\ud130 \ud655\ubcf4<\/strong>\ud558\uba74 \ub370\uc774\ud130\ub294 100% \uc0b4\ub9b4 \uc218 \uc788\ub2e4.<\/li>\n\n\n\n<li>\uc911\uc694 \uc791\uc5c5 \uc804\uc5d0\ub294 <code>sudo zpool checkpoint tank0<\/code> \uba85\ub839\uc5b4\ub85c \uccb4\ud06c\ud3ec\uc778\ud2b8\ub97c \uac78\uc5b4\ub450\uba74, \uc2e4\uc218\ud588\uc744 \ub54c \ubc31\uc5c5\/\ubcf5\uc6d0 \ub178\uac00\ub2e4 \uc5c6\uc774 \uc989\uc2dc \ub864\ubc31\ud560 \uc218 \uc788\uc73c\ub2c8 \uc801\uadf9 \ud65c\uc6a9\ud558\uc790.<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"<p>\uc11c\ubc84\uc758 \uba54\uc778\ubcf4\ub4dc\ub97c \uad50\uccb4\ud558\uba74\uc11c ZFS \ud480\uc744 \ub2e4\uc2dc \uad6c\uc131\ud588\ub294\ub370, \uadf8 \ub54c \uc2e4\uc218\ud588\ub2e4. \uae09\ud55c \ub9c8\uc74c\uc5d0 \uc778\ud130\ub137 \uac80\uc0c9\uc744 \ud588\ub294\ub370, \uc624\ub77c\ud074 \uac00\ub77c\uc0ac\ub300&#8230; ZFS \ub85c\uadf8 \ub610\ub294 \uce90\uc2dc \uc7a5\uce58\ub294 zpool add\uba85\ub839\uc744 \uc0ac\uc6a9\ud558\uc5ec \uae30\uc874 ZFS \uc800\uc7a5\uc18c \ud480\uc5d0 \ucd94\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. zpool add \uba85\ub839\uc744 \uc0ac\uc6a9\ud560 \ub54c\ub294 \uac01\ubcc4\ud788 \uc2e0\uc911\ud574\uc57c \ud569\ub2c8\ub2e4. \uc2e4\uc218\ub85c \ub85c\uadf8 \uc7a5\uce58\ub97c \uc77c\ubc18 \ud480 \uc7a5\uce58\ub85c \ucd94\uac00\ud558\uba74 \ucc98\uc74c\ubd80\ud130 \ub2e4\uc2dc \ud480\uc744 \uc0ad\uc81c\ud558\uace0 \ubcf5\uc6d0\ud574\uc57c \ud569\ub2c8\ub2e4. \uac1c\ubcc4 \ub85c\uadf8 \uc7a5\uce58 \uc790\uccb4\ub294 \ud480\uc5d0\uc11c \uc81c\uac70\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. https:\/\/docs.oracle.com\/cd\/E56343_01\/html\/E53992\/gnjlj.html \ub78d\uc2e0\ub2e4&#8230; \uadf8\ub798\uc11c Gemini \uc5d0\uac8c \ubb3c\uc5b4\ubd10\uc11c \uc5b4\ub5bb\uac8c\ub4e0 \ud574\uacb0\ud588\ub2e4. \uc774 \uc544\ub798\ub294 Gomini \uac00 \ub0b4\uc6a9\uc744 \uc815\ub9ac\ud574 \uc900 \uac78 \uace0\ub300\ub85c \uac00\uc838\ub2e4 \ubd99\uc778\uac70\ub2e4.&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[161],"tags":[186,149,231,230,229],"class_list":["post-794","post","type-post","status-publish","format-standard","hentry","category-ubuntu","tag-cache","tag-zfs","tag-231","tag-230","tag-229"],"_links":{"self":[{"href":"https:\/\/blog.gerd.kr\/index.php?rest_route=\/wp\/v2\/posts\/794","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.gerd.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.gerd.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.gerd.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.gerd.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=794"}],"version-history":[{"count":3,"href":"https:\/\/blog.gerd.kr\/index.php?rest_route=\/wp\/v2\/posts\/794\/revisions"}],"predecessor-version":[{"id":798,"href":"https:\/\/blog.gerd.kr\/index.php?rest_route=\/wp\/v2\/posts\/794\/revisions\/798"}],"wp:attachment":[{"href":"https:\/\/blog.gerd.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.gerd.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.gerd.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}