software raid

[Lonni J Friedman]

What is the problem?  What's the output from "cat /proc/mdstat" ?

On Thu, Aug 7, 2008 at 9:11 AM, vu pham <vu at sivell.com> wrote:
> Sorry for the typo, it is raid 0 not raid 5, but the same problem still
> hold.
>
>
> vu pham wrote:
>>
>> My RHEL5 server has the root partition mounted on  a software raid 5 of 3
>> disks sda, sdb and sdc. I remove one of the disks and mdadm still reports
>> everything is ok, all disks are active and sync.
>>
>> The server hardware log does show the disk is removed. ( I checked this
>> just in case I took the drive from another server ).
>>
>> Below is the output of mdadm.
>>
>> Thanks for your advice.
>>
>> Vu
>>
>>
>> [root at wks-178 ~]# mount
>> /dev/md2 on / type ext3 (rw)
>> proc on /proc type proc (rw)
>> sysfs on /sys type sysfs (rw)
>> devpts on /dev/pts type devpts (rw,gid=5,mode=620)
>> /dev/md0 on /boot type ext3 (rw)
>> tmpfs on /dev/shm type tmpfs (rw)
>> none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
>> sunrpc on /var/lib/nfs/rpc_pipefs type rpc_pipefs (rw)
>>
>> [root at wks-178 ~]# mdadm --detail /dev/md2
>> /dev/md2:
>>        Version : 00.90.03
>>  Creation Time : Thu Aug  7 10:50:37 2008
>>     Raid Level : raid0
>>     Array Size : 421585152 (402.05 GiB 431.70 GB)
>>   Raid Devices : 3
>>  Total Devices : 3
>> Preferred Minor : 2
>>    Persistence : Superblock is persistent
>>
>>    Update Time : Thu Aug  7 10:50:37 2008
>>          State : clean
>>  Active Devices : 3
>> Working Devices : 3
>>  Failed Devices : 0
>>  Spare Devices : 0
>>
>>     Chunk Size : 256K
>>
>>           UUID : cf7cc365:fbacd375:3a623d90:e9c8d292
>>         Events : 0.1
>>
>>    Number   Major   Minor   RaidDevice State
>>       0       8        3        0      active sync   /dev/sda3
>>       1       8       19        1      active sync   /dev/sdb3
>>       2       8       35        2      active sync   /dev/sdc3
>> [root at wks-178 ~]#



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L. Friedman netllama at gmail.com
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