Raid5 under Veritas Volume Manager

Cyril Faure Chappat cyril.faure-chappat.steria at renault.fr
Thu Jun 2 09:26:25 EDT 2005


         Hi,

I've a raid5 diskgroup made of 8 18Gb physical disks. I've 2 disks that 
went down. So I removed them for the raid diskgroup.
You can see that with this 'vxprint' output :

Disk group: raid5dg

TY NAME         ASSOC        KSTATE   LENGTH   PLOFFS   STATE    TUTIL0  
PUTIL0
dg raid5dg      raid5dg      -        -        -        -        -       -

dm raid5dg01    -            -        -        -        REMOVED  -       -
dm raid5dg02    c2t11d0s2    -        35358848 -        -        -       -
dm raid5dg03    c2t12d0s2    -        35358848 -        -        -       -
dm raid5dg04    c2t13d0s2    -        35358848 -        -        -       -
dm raid5dg05    c2t2d0s2     -        35358848 -        -        -       -
dm raid5dg06    c2t3d0s2     -        35358848 -        -        -       -
dm raid5dg07    -            -        -        -        REMOVED  -       -
dm raid5dg08    c2t5d0s2     -        35358848 -        -        -       -

v  data_03      raid5        DETACHED 247511040 -       ACTIVE   -       -
pl data_03-01   data_03      ENABLED  247511936 -       ACTIVE   -       -
sd raid5dg05-01 data_03-01   ENABLED  35358848 0        -        -       -
sd raid5dg06-01 data_03-01   ENABLED  35358848 0        -        -       -
sd raid5dg07-01 data_03-01   DISABLED 35358848 0        REMOVED  -       -
sd raid5dg08-01 data_03-01   ENABLED  35358848 0        -        -       -
sd raid5dg01-01 data_03-01   DISABLED 35358848 0        REMOVED  -       -
sd raid5dg02-01 data_03-01   ENABLED  35358848 0        -        -       -
sd raid5dg03-01 data_03-01   ENABLED  35358848 0        -        -       -
sd raid5dg04-01 data_03-01   ENABLED  35358848 0        -        -       -


But now, I can't manage to bring the volume up.

root at rogue# vxvol resync data_03
vxvm:vxvol: ERROR: Volume data_03 is not started
root at rogue# vxvol start data_03
vxvm:vxvol: ERROR: Volume data_03 is not startable; Raid5 plex does not 
map the entire volume length

Any ideas ?
Thanks in advance. Best regards.

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