{"id":2894,"date":"2016-09-24T22:51:23","date_gmt":"2016-09-24T13:51:23","guid":{"rendered":"http:\/\/higherhope.net\/?p=2894"},"modified":"2016-09-24T23:12:31","modified_gmt":"2016-09-24T14:12:31","slug":"%e6%97%a2%e5%ad%98%e8%87%aa%e5%ae%85%e3%82%b5%e3%83%bc%e3%83%90%e3%83%bc%e3%81%abhdd%e3%82%92raid1%e3%81%a7%e8%bf%bd%e5%8a%a0%e3%81%97%e3%81%9f%e3%80%82","status":"publish","type":"post","link":"https:\/\/higherhope.net\/?p=2894","title":{"rendered":"\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u306bHDD\u3092RAID1\u3067\u8ffd\u52a0\u3057\u305f\u3002"},"content":{"rendered":"

\u7269\u7406\u7684\u306a\u7d4c\u7def\u306f\u3053\u3061\u3089<\/a>\u306b\u66f8\u304d\u307e\u3057\u305f\u3002<\/p>\n

HDD2\u672c\u3092\u65e2\u5b58\u306e\u81ea\u5b85\u30b5\u30fc\u30d0\u30fc\u306bRAID1\u3067\u8ffd\u52a0\u3057\u305f\u624b\u9806\u306e\u30e1\u30e2\u3067\u3059\u3002<\/p>\n

\u73fe\u5728\u306eRAID\u60c5\u5831<\/p>\n

\n

# cat \/proc\/mdstat
\nPersonalities : [raid1]
\nmd125 : active raid1 sda3[0] sdb3[1]
\n 1950821184 blocks super 1.2 [2\/2] [UU]
\n bitmap: 8\/15 pages [32KB], 65536KB chunk<\/p>\n

md126 : active raid1 sda1[0] sdb1[1]
\n 2047936 blocks super 1.2 [2\/2] [UU]<\/p>\n

md127 : active raid1 sda2[0] sdb2[1]
\n 511936 blocks super 1.0 [2\/2] [UU]<\/p>\n

unused devices: <\/p><\/blockquote>\n<\/blockquote>\n

RAID1\u3067\u7d44\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n

HDD\u8ffd\u52a0\u524d\u306b\u73fe\u5728\u306e\u60c5\u5831\u3092\u30e1\u30e2\u3063\u3066\u304a\u304d\u307e\u3059\u3002<\/p>\n

# cat \/etc\/fstab
\n# fdisk -l<\/p><\/blockquote>\n

\u3007\u7269\u7406\u7684\u306b\u5897\u8a2d\u304c\u7d42\u308f\u3063\u305f\u3089HW\u304c\u8a8d\u8b58\u3055\u308c\u3066\u3044\u308b\u304b\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n

\n# fdisk -l
\n\u7565
\nDisk \/dev\/sdd: 3000.6 GB, 3000592982016 bytes, 5860533168 sectors\u3000\u3000\u2190\u8a8d\u8b58\u3055\u308c\u305f
\nUnits = sectors of 1 * 512 = 512 bytes
\nSector size (logical\/physical): 512 bytes \/ 4096 bytes
\nI\/O \u30b5\u30a4\u30ba (\u6700\u5c0f \/ \u63a8\u5968): 4096 \u30d0\u30a4\u30c8 \/ 4096 \u30d0\u30a4\u30c8<\/p>\n

Disk \/dev\/sdc: 3000.6 GB, 3000592982016 bytes, 5860533168 sectors\u3000\u3000\u2190\u8a8d\u8b58\u3055\u308c\u305f
\nUnits = sectors of 1 * 512 = 512 bytes
\nSector size (logical\/physical): 512 bytes \/ 4096 bytes
\nI\/O \u30b5\u30a4\u30ba (\u6700\u5c0f \/ \u63a8\u5968): 4096 \u30d0\u30a4\u30c8 \/ 4096 \u30d0\u30a4\u30c8
\n\u7565<\/p><\/blockquote>\n

\u30c7\u30d0\u30a4\u30b9\u304c
\n\/dev\/sdc
\n\/dev\/sdd
\n\u3068\u3057\u3066\u8a8d\u8b58\u3055\u308c\u3066\u307e\u3059\u306d\u3002<\/p>\n

\u6b21\u306bRAID\u3092\u7d44\u307f\u307e\u3059\u3002<\/p>\n

\nparted –script \/dev\/sdd “mklabel gpt”
\nparted –script \/dev\/sdc “mklabel gpt”
\nparted –script \/dev\/sdd “mkpart primary 0% 100%”
\nparted –script \/dev\/sdc “mkpart primary 0% 100%”
\nparted –script \/dev\/sdd “set 1 raid on”
\nparted –script \/dev\/sdc “set 1 raid on”
\nmdadm –create \/dev\/md128 –level=raid1 –raid-devices=2 \/dev\/sdc1 \/dev\/sdd1\n<\/p><\/blockquote>\n

RAID\u69cb\u7bc9\u306e\u9032\u6357\u3092\u78ba\u8a8d\u3057\u307e\u3059\u3002<\/p>\n

# cat \/proc\/mdstat
\nPersonalities : [raid1]
\nmd128 : active raid1 sdd1[1] sdc1[0]
\n 2930134016 blocks super 1.2 [2\/2] [UU]
\n [=====>……………] resync = 26.6% (781301248\/2930134016) finish=202.8min speed=176538K\/sec
\n bitmap: 17\/22 pages [68KB], 65536KB chunk<\/p>\n

md125 : active raid1 sda2[0] sdb2[1]
\n 511936 blocks super 1.0 [2\/2] [UU]<\/p>\n

md126 : active raid1 sda1[0] sdb1[1]
\n 2047936 blocks super 1.2 [2\/2] [UU]<\/p>\n

md127 : active raid1 sda3[0] sdb3[1]
\n 1950821184 blocks super 1.2 [2\/2] [UU]
\n bitmap: 7\/15 pages [28KB], 65536KB chunk<\/p>\n

unused devices: <\/p><\/blockquote>\n

3TB\u306eHDD\u306a\u306e\u3067SYNC\u304c\u7d42\u308f\u308b\u306e\u306b4\u6642\u9593\u304f\u3089\u3044\u304b\u304b\u3063\u305f\u3068\u601d\u3044\u307e\u3059\u3002
\n