* [Sarlug] mdadm raid1
@ 2010-02-10 16:57 Denis S Mikhlevich
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From: Denis S Mikhlevich @ 2010-02-10 16:57 UTC (permalink / raw)
To: Saratov Linux User Group Maillist
Приветсвую сообщество.
Сделал raid1 массив из двух одиннаковых винтов. Система Debian lenny.
md0 - /boot, md1 - swap, md2 - /.
# cat /proc/mdstat
Personalities : [raid1]
md2 : active raid1 sda3[0] sdb3[1]
142472384 blocks [2/2] [UU]
md1 : active (auto-read-only) raid1 sda2[0] sdb2[1]
3903680 blocks [2/2] [UU]
md0 : active raid1 sda1[0] sdb1[1]
144448 blocks [2/2] [UU]
unused devices: <none>
Не нравится вывод
# fdisk -l
Disk /dev/sda: 150.0 GB, 150039945216 bytes
255 heads, 63 sectors/track, 18241 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x0001ec69
Device Boot Start End Blocks Id System
/dev/sda1 * 1 18 144553+ fd Linux raid
autodetect
/dev/sda2 19 504 3903795 fd Linux raid
autodetect
/dev/sda3 505 18241 142472452+ fd Linux raid
autodetect
Disk /dev/sdb: 150.0 GB, 150039945216 bytes
255 heads, 63 sectors/track, 18241 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Disk identifier: 0x0002cb11
Device Boot Start End Blocks Id System
/dev/sdb1 * 1 18 144553+ fd Linux raid
autodetect
/dev/sdb2 19 504 3903795 fd Linux raid
autodetect
/dev/sdb3 505 18241 142472452+ fd Linux raid
autodetect
Disk /dev/md0: 147 MB, 147914752 bytes
2 heads, 4 sectors/track, 36112 cylinders
Units = cylinders of 8 * 512 = 4096 bytes
Disk identifier: 0x00000000
Disk /dev/md0 doesn't contain a valid partition table
Unable to seek on /dev/md1
а также такое
# mdadm -Q /dev/sda3
/dev/sda3: is not an md array
/dev/sda3: device 0 in 2 device active raid1 /dev/md2. Use mdadm
--examine for more detail.
а этот вроде нормальный вывод.
# mdadm -Q /dev/md2
/dev/md2: 135.87GiB raid1 2 devices, 0 spares. Use mdadm --detail for
more detail.
а также когда систему выключаешь пишет там три строки, одна из них
Stopping /dev/md0 (Resource busy) красным цветом.
А вообще на внешний вид все работает. в Grub'e 2 строки с (hd1,0) и
root=/dev/md2 и (hd0,0) root=/dev/md2 с обоих норм грузится. Во время
старта ошибок нет.
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2010-02-10 16:57 [Sarlug] mdadm raid1 Denis S Mikhlevich
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