Psst.. new poll here.
Psst.. new forums here.
Microsoft is blocking us again (TY IP Reputation!) so dont bother with any of their useless mail servers here and just use oauth login instead. Thank the nice Russians for causing that. :)
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Pasted as Plain Text by rain ( 15 years ago )
root@mws64:~# lvcreate -L1G -nraid1-1 mws64system
Logical volume "raid1-1" created
root@mws64:~# lvcreate -L1G -nraid1-2 mws64system
Logical volume "raid1-2" created
root@mws64:~# mdadm -C -l10 -p f2 -n2 /dev/md0 /dev/mws64system/raid1-1 /dev/mws64system/raid1-2
mdadm: /dev/mws64system/raid1-1 appears to be part of a raid array:
level=raid10 devices=2 ctime=Mon Jan 17 19:43:08 2011
mdadm: /dev/mws64system/raid1-2 appears to be part of a raid array:
level=raid10 devices=2 ctime=Mon Jan 17 19:43:08 2011
Continue creating array? y
mdadm: Defaulting to version 1.2 metadata
mdadm: array /dev/md0 started.
root@mws64:~# cat /proc/mdstat
Personalities : [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md0 : active (auto-read-only) raid10 dm-18[1] dm-17[0]
1047552 blocks super 1.2 512K chunks 2 far-copies [2/2] [UU]
resync=PENDING
unused devices: <none>
root@mws64:~# mkfs.xfs /dev/md0
log stripe unit (524288 bytes) is too large (maximum is 256KiB)
log stripe unit adjusted to 32KiB
meta-data=/dev/md0 isize=256 agcount=8, agsize=32640 blks
= sectsz=512 attr=2, projid32bit=0
data = bsize=4096 blocks=261120, imaxpct=25
= sunit=128 swidth=256 blks
naming =version 2 bsize=4096 ascii-ci=0
log =internal log bsize=4096 blocks=1200, version=2
= sectsz=512 sunit=8 blks, lazy-count=1
realtime =none extsz=4096 blocks=0, rtextents=0
root@mws64:~# cat /proc/mdstat
Personalities : [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md0 : active raid10 dm-18[1] dm-17[0]
1047552 blocks super 1.2 512K chunks 2 far-copies [2/2] [UU]
[=>...................] resync = 6.2% (65536/1047552) finish=0.9min speed=16384K/sec
unused devices: <none>
root@mws64:~# cat /proc/mdstat
Personalities : [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md0 : active raid10 dm-18[1] dm-17[0]
1047552 blocks super 1.2 512K chunks 2 far-copies [2/2] [UU]
unused devices: <none>
root@mws64:~# mdadm -D /dev/md0
/dev/md0:
Version : 1.2
Creation Time : Mon Jan 17 19:48:40 2011
Raid Level : raid10
Array Size : 1047552 (1023.17 MiB 1072.69 MB)
Used Dev Size : 1047552 (1023.17 MiB 1072.69 MB)
Raid Devices : 2
Total Devices : 2
Persistence : Superblock is persistent
Update Time : Mon Jan 17 19:49:58 2011
State : active
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Layout : far=2
Chunk Size : 512K
Name : mws64:0 (local to host mws64)
UUID : fc9849b5:b128337f:927d3b87:3fc53fa9
Events : 35
Number Major Minor RaidDevice State
0 254 17 0 active sync /dev/dm-17
1 254 18 1 active sync /dev/dm-18
root@mws64:~# mkdir /tmp/1
root@mws64:~# mount /dev/md0 /tmp/1
root@mws64:~# dd if=/dev/zero of=/tmp/1/file bs=1M count=500
500+0 записей считано
500+0 записей написано
скопировано 524288000 байт (524 MB), 1,56792 c, 334 MB/c
root@mws64:~# sync ; md5sum /tmp/1/file
d8b61b2c0025919d5321461045c8226f /tmp/1/file
root@mws64:~# mdadm /dev/md0 -f /dev/mws64system/raid1-1
mdadm: set /dev/mws64system/raid1-1 faulty in /dev/md0
root@mws64:~# cat /proc/mdstat
Personalities : [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
md0 : active raid10 dm-18[1] dm-17[0](F)
1047552 blocks super 1.2 512K chunks 2 far-copies [2/1] [_U]
unused devices: <none>
root@mws64:~# mdadm -D /dev/md0
/dev/md0:
Version : 1.2
Creation Time : Mon Jan 17 19:48:40 2011
Raid Level : raid10
Array Size : 1047552 (1023.17 MiB 1072.69 MB)
Used Dev Size : 1047552 (1023.17 MiB 1072.69 MB)
Raid Devices : 2
Total Devices : 2
Persistence : Superblock is persistent
Update Time : Mon Jan 17 19:52:56 2011
State : clean, degraded
Active Devices : 1
Working Devices : 1
Failed Devices : 1
Spare Devices : 0
Layout : far=2
Chunk Size : 512K
Name : mws64:0 (local to host mws64)
UUID : fc9849b5:b128337f:927d3b87:3fc53fa9
Events : 38
Number Major Minor RaidDevice State
0 0 0 0 removed
1 254 18 1 active sync /dev/dm-18
0 254 17 - faulty spare /dev/dm-17
root@mws64:~# md5sum /tmp/1/file
d8b61b2c0025919d5321461045c8226f /tmp/1/file
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