Re: RAID5 created by 8 disks works with xfs

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Hi stan,

    So sorry to reply this so late, the original envrionment is not
exist now, i build a same one, please see the detail output.

1. uname -a
Linux nsspioneer 2.6.36.4-v64 #1 SMP Fri Apr 13 10:16:12 CST 2012
x86_64 x86_64 x86_64 GNU/Linux

2.xfs_info /dev/vg+vg00+20120418101725/lv+nxx+lv0000
meta-data=/dev/vg+vg00+20120418101725/lv+nxx+lv0000 isize=256
agcount=13, agsize=268435440 blks
         =                       sectsz=512   attr=2
data     =                       bsize=4096   blocks=3418374144, imaxpct=5
         =                       sunit=16     swidth=128 blks
naming   =version 2              bsize=4096   ascii-ci=0
log      =internal               bsize=4096   blocks=32768, version=2
         =                       sectsz=512   sunit=16 blks, lazy-count=1
realtime =none                   extsz=4096   blocks=0, rtextents=0

3. the command "cat /etc/fstab | grep xfs" has no output, we did not
save it in fstab

4. mdadm -D /dev/md127
/dev/md127:
        Version : 1.2
  Creation Time : Wed Apr 18 10:02:26 2012
     Raid Level : raid5
     Array Size : 13673525376 (13040.09 GiB 14001.69 GB)
  Used Dev Size : 1953360768 (1862.87 GiB 2000.24 GB)
   Raid Devices : 8
  Total Devices : 8
    Persistence : Superblock is persistent

  Intent Bitmap : Internal

    Update Time : Wed Apr 18 10:12:22 2012
          State : online
 Active Devices : 8
Working Devices : 8
 Failed Devices : 0
  Spare Devices : 0

         Layout : left-symmetric
     Chunk Size : 64K

           Name : md+LD00+120418100226
           UUID : bbddf00e:779ca156:bb4f7d10:285e4fcf
         Events : 195

    Number   Major   Minor   RaidDevice State
       0       8       16        0      active sync   /dev/sdb
       1       8       32        1      active sync   /dev/sdc
       2       8       48        2      active sync   /dev/sdd
       3       8       64        3      active sync   /dev/sde
       4       8       80        4      active sync   /dev/sdf
       5       8       96        5      active sync   /dev/sdg
       6       8      112        6      active sync   /dev/sdh
       8       8      128        7      active sync   /dev/sdi

On 4/6/12, Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx> wrote:
> On 4/6/2012 3:45 AM, daobang wang wrote:
>> Hi stan,
>>
>>     Thank you for your reply, the envrionment is the same that i
>> mentioned before,  [...]
>
> There's seems to be some kind of communication failure here.  I'll make
> this really simple.  Please fill in the blanks.
>
> $ uname -a
>
> $ xfs_info [device]
>
> $ cat /etc/fstab|grep xfs
>
> $ mdadm --detail /dev/mdX
>
>
> Thanks.
>
> --
> Stan
>
>
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