Joel Granados wrote:
On Thu, Apr 23, 2009 at 05:46:02PM -0500, David Lehman wrote:
On Thu, 2009-04-23 at 19:36 +0200, Joel Granados Moreno wrote:
---
storage/devicelibs/mdraid.py | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
I am truly amazed that mdadm requires this argument for arrays it is
creating, but otherwise it seems fine.
I fail to understand it too. But on all my tests, every time I wanted
to create a md device (even on tty2) it began to resync the array,
slowing down the install (it seemed to freeze actually).
Did you try these commands?
# mdadm -C /dev/md0 --run --assume-clean -l 1 -n 2 /dev/sdb /dev/sdc
mdadm: array /dev/md/0 started.
# cat /proc/mdstat
Personalities : [raid1] [raid10]
md0 : active raid1 sdc[1] sdb[0]
156290816 blocks [2/2] [UU]
unused devices: <none>
# mdadm -E /dev/sdb
/dev/sdb:
Magic : a92b4efc
Version : 0.90.00
UUID : c2037f61:6821ab3c:fb7e1339:6a84174c (local to host localhost.localdomain)
Creation Time : Fri Apr 24 12:38:24 2009
Raid Level : raid1
Used Dev Size : 156290816 (149.05 GiB 160.04 GB)
Array Size : 156290816 (149.05 GiB 160.04 GB)
Raid Devices : 2
Total Devices : 2
Preferred Minor : 0
Update Time : Fri Apr 24 12:38:24 2009
State : clean
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Checksum : d68749f2 - correct
Events : 1
Number Major Minor RaidDevice State
this 0 8 16 0 active sync /dev/sdb
0 0 8 16 0 active sync /dev/sdb
1 1 8 32 1 active sync /dev/sdc
# mdadm -Ss
mdadm: stopped /dev/md0
# mdadm --zero /dev/sdb /dev/sdc
# mdadm -C /dev/md0 --run -l 1 -n 2 /dev/sdb /dev/sdc
mdadm: array /dev/md/0 started.
# cat /proc/mdstat
Personalities : [raid1] [raid10]
md0 : active raid1 sdc[1] sdb[0]
156290816 blocks [2/2] [UU]
[>....................] resync = 0.2% (317056/156290816) finish=40.9min speed=63411K/sec
unused devices: <none>
# mdadm -E /dev/sdb
/dev/sdb:
Magic : a92b4efc
Version : 0.90.00
UUID : d7873388:7a8e6745:fb7e1339:6a84174c (local to host localhost.localdomain)
Creation Time : Fri Apr 24 12:41:41 2009
Raid Level : raid1
Used Dev Size : 156290816 (149.05 GiB 160.04 GB)
Array Size : 156290816 (149.05 GiB 160.04 GB)
Raid Devices : 2
Total Devices : 2
Preferred Minor : 0
Update Time : Fri Apr 24 12:41:41 2009
State : active
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Checksum : fe77bbab - correct
Events : 1
Number Major Minor RaidDevice State
this 0 8 16 0 active sync /dev/sdb
0 0 8 16 0 active sync /dev/sdb
1 1 8 32 1 active sync /dev/sdc
# mdadm --version
mdadm - v3.0-devel3 - 10th March 2009
# uname -r
2.6.29.1-70.fc11.i686.PAE
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