HDD\u304c\u5c4a\u3044\u305f\u306e\u3067\u3001\u65e9\u901fzfs\u306e\u8a2d\u5b9a\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n
(1) \u65e7HDD\u69cb\u6210\u306fada0\u301cada4\u3067\u3001ada4\u304c\u8d77\u52d5\u30c7\u30a3\u30b9\u30af\u3067\/, \/var,\r\n\u3000\u3000\/usr\u3082ada4\u4e0a\u306b\u3042\u308b\u3002\u305d\u3053\u3067\/etc\/fstab\u3092edit\u3057\u3066\u3001ada4\u4ee5\u5916\r\n\u3000\u3000\u306fmount\u3057\u306a\u3044\u3088\u3046\u306b\u30b3\u30e1\u30f3\u30c8\u30a2\u30a6\u30c8\u3059\u308b\u3002\r\n(2) 5\u500b\u306e\u65e7HDD\u3092\u5916\u3057\u3066\u3001\u65b0\u3057\u3044HDD\u3068\u5165\u308c\u66ff\u3048\u308b\u3002\r\n(3) \u65e7ada4\u3092ESATA\u30676\u500b\u76ee\u306eHDD\u3068\u3057\u3066\u63a5\u7d9a\u3059\u308b\u3002\uff08\u5f53\u521d\u3001SATA\u3067\r\n\u3000\u3000\u7e4b\u3050\u3064\u3082\u308a\u3060\u3063\u305f\u306e\u3067\u3059\u304c\u3001SATA\u30b1\u30fc\u30d6\u30eb\u3092\u3069\u3053\u306b\u3057\u307e\u3063\u305f\u306e\r\n\u3000\u3000\u304b\u5fd8\u308c\u3066\u3057\u307e\u3044\u63a2\u3059\u306e\u304c\u9762\u5012\u3060\u3063\u305f\u306e\u3067ESATA\u3067\u63a5\u7d9a\u3057\u305f\u3002\uff09\r\n\u3000\u3000ESATA\u304c5\u500b\u76ee\u306e\u5185\u8535HDD\u3088\u308a\u3082\u524d\u306b\u6765\u308b\u306e\u3067\u3001\u65b0HDD\u306fada0\u301c\r\n\u3000\u3000ada3\u3001ada5\u306b\u306a\u308a\u3001\u65e7HDD\u306fada4\u306b\u306a\u308b\u3002\r\n(4) 6\u500b\u76ee\u306eHDD(ada4)\u304b\u3089\u8d77\u52d5\u3057\u305f\u5f8c\u3001\u5225\u30de\u30b7\u30f3\u304b\u3089ssh\u3067\u30ed\u30b0\u30a4\u30f3\r\n\u3000\u3000\u3057\u3066\u4f5c\u696d\u3059\u308b\u30025\u500b\u306e\u65b0\u8a2dHDD(ada0\u301cada3, ada5)\u306bswap\u3068\r\n\u3000\u3000raidz\u3092\u4f5c\u6210\u3002\u66f4\u306bada0\u306b\u306fbootcode\u3092\u66f8\u304d\u8fbc\u3080\u3002\r\n # for a in 0 1 2 3; do\r\n > gpart create -s GPT ada$a\r\n > gpart add -t freebsd-swap -s 2g -l freebsd-swap$a \\\r\n ada$a\r\n > gpart add -t freebsd-zfs -l freebsd-zfs$a ada$a\r\n > done\r\n # gpart create -s GPT ada5\r\n # gpart add -t freebsd-swap -s 2g -l freebsd-swap4 \\\r\n ada5\r\n # gpart add -t freebsd-zfs -l freebsd-zfs4 ada5\r\n # gpart delete -i 1 ada0\r\n # gpart add -i 127 -t freebsd-boot -s 512k \\\r\n -l freebsd-boot ada0\r\n # gpart add -t freebsd-swap -l freebsd-swap0 ada0\r\n # gpart bootcode -b \/boot\/pmbr ada0\r\n # gpart bootcode -p \/boot\/gptzfsboot -i 127 ada0\r\n # zpool create -o altroot=\/mnt -m none hoge \\\r\n raidz ada0p2 ada1p2 ada2p2 ada3p2 ada5p2\r\n # zfs set compression=lz4 hoge\r\n # zfs set atime=off hoge\r\n # zfs create -o mountpoint=none hoge\/ROOT \r\n # zfs create -o mountpoint=\/ hoge\/ROOT\/default\r\n (snip)\r\n # zpool set bootfs=hoge\/ROOT\/default hoge\r\n # reboot\r\n(5) \u3053\u3053\u3067reboot\u3057\u3066single user mode\u3067\u65e7HDD\u304b\u3089\u65b0HDD\u3078\r\n\u3000\u3000dump\/restore\u3059\u308b\u3002\u3057\u304b\u3057\u3001\u4f55\u6545\u304bESATA\u63a5\u7d9a\u304c\u5b89\u5b9a\u305b\u305a\u3001\u30a8\r\n\u3000\u3000\u30e9\u30fc\u3092\u5410\u304f\u306e\u3067ada5\u3092\u5916\u3057\u3001ada4\u3092ESATA\u3067\u306f\u306a\u304f\u5185\u8535SATA\u3067\r\n\u3000\u3000\u63a5\u7d9a\u3057\u3066\u4f5c\u696d\u3092\u884c\u3046\u3002(raidz\u306fada5\u304c\u6545\u969c\u3057\u305f\u306e\u3068\u540c\u3058\u72b6\u6cc1\u306b\r\n\u3000\u3000\u306a\u308b\u3002\uff09\r\n(6) \u65e7ada4\u304b\u3089\u8d77\u52d5\u3057\u305f\u5f8c\u3001\r\n # zpool import -f -R \/mnt hoge\r\n # cd \/mnt\r\n # dump 0af - \/ | restore rf -\r\n # cd \/mnt\/usr\r\n # dump 0af - \/usr | restore rf -\r\n \uff08\u305d\u306e\u4ed6\u306e\u30d1\u30fc\u30c6\u30a3\u30b7\u30e7\u30f3\u3082\u540c\u69d8\u306bdump & restore\u3059\u308b\uff09\r\n(7) \u65e7ada4\u306edump & restore\u304c\u5168\u3066\u7d42\u4e86\u3057\u305f\u3089\u4e00\u65e6shutdown\u3057\u3066\u3001\r\n\u3000\u3000\u65e7HDD\u3092\u4ea4\u63db\u3057\u3066\u3001\u5168\u3066\u306e\u65e7HDD\u3092dump & restore\u3059\u308b\u3002\u306a\u304a\u3001\r\n\u3000\u3000\u65e7ada4\u306edump & restore\u304c\u7d42\u4e86\u3057\u305f\u6642\u70b9\u3067\u65b0HDD\u3067zfs boot\r\n\u3000\u3000\u3067\u304d\u308b\u72b6\u614b\u306a\u306e\u3067\u3001\u65e7HDD\u4ea4\u63db\u5f8c\u306f\u65b0HDD\u304b\u3089zfs boot\u3057\u3066ssh\u7d4c\r\n\u3000\u3000\u7531\u3067\u4ed6\u306e\u30de\u30b7\u30f3\u304b\u3089\u4f5c\u696d\u3092\u884c\u3063\u3066\u3044\u308b\u3002\r\n(8) \u73fe\u5728\u3001\u65e7HDD\u304b\u3089\u306edump & restore\u9014\u4e2d\u306a\u306e\u3067\u3001\u672c\u65e5\u306f\u3053\u3053\u307e\r\n\u3000\u3000\u3067\u3002\u7d044TB\/\u65e5\u3057\u304bdump & restore\u3067\u304d\u306a\u3044\u306e\u3067\u3001\u5b8c\u4e86\u307e\u3067\u306b\u306f\r\n\u3000\u30004\u65e5\u8fd1\u304f\u304b\u304b\u308b\u898b\u8fbc\u307f\u3067\u3059\u3002\uff08\u3068\u3044\u3046\u3053\u3068\u306f50MB\/sec\u7a0b\u5ea6\u3057\u304b\r\n\u3000\u3000\u51fa\u3066\u3044\u306a\u3044\u3053\u3068\u306b\u306a\u308b\u306a\u3041\u3002300MB\/sec\u51fa\u308b\u8a33\u306f\u306a\u3044\u3051\u3069\u3001\u3082\r\n\u3000\u3000\u3046\u3061\u3087\u3063\u3068\u901f\u3044\u3068\u3044\u3044\u306e\u306b\u306a\u3041\u3002\uff09<\/pre>\n\u305d\u306e1<\/a>\u3078\u623b\u308b\u3000\u305d\u306e3<\/a>\u3078\u7d9a\u304f<\/p>\n","protected":false},"excerpt":{"rendered":"
HDD\u304c\u5c4a\u3044\u305f\u306e\u3067\u3001\u65e9\u901fzfs\u306e\u8a2d\u5b9a\u3092\u884c\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,5],"tags":[],"class_list":["post-2315","post","type-post","status-publish","format-standard","hentry","category-freebsd","category-zfs"],"_links":{"self":[{"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2315","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2315"}],"version-history":[{"count":20,"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2315\/revisions"}],"predecessor-version":[{"id":2333,"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2315\/revisions\/2333"}],"wp:attachment":[{"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2315"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ish.org\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}