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Re: [Linux-cluster] Device missing



use "pool_assemble" to activate the pool device.

use "pool_assemble -r" to deactivate the deivce.  This will also 
remove the the device node. 

use "pool_info" to see what pools are loaded

use "pool_tool -s" to scan the system to see what pools are there


On Tue, Nov 30, 2004 at 06:44:02PM -0500, Vincent Aniello wrote:
> 
> One of my GFS file system is no longer mountable because the device
> associated with it has disappeared from my system.  The file system is
> named /gfs02 and the device it points to is /dev/pool/pool_gfs02.
> 
> [root dvblkc01a gfs]# mount /gfs02
> mount: special device /dev/pool/pool_gfs02 does not exist
> [root dvblkc01a gfs]#
> 
> The device /dev/pool/pool_gfs02 is missing from my /dev/pool directory.
> It used to be there.
> 
> [root dvblkc01a gfs]# ls -l /dev/pool
> total 0
> brw-------    2 root     root     254,  65 Nov 29 18:22 dvcluster_cca
> brw-------    2 root     root     254,  66 Nov 29 18:22 pool_gfs01
> brw-------    2 root     root     254,  67 Nov 29 18:22 pool_gfs03
> [root dvblkc01a gfs]#
> 
> The device /dev/sdc2 is associated with /dev/pool/pool_gfs02:
> 
> poolname pool_gfs02
> subpools 1
> subpool 0 0 1
> pooldevice 0 0 /dev/sdc2
> 
> The device /dev/sdc2 seems to be available to the system:
> 
> Disk /dev/sdc: 71.7 GB, 71728889856 bytes
> 255 heads, 63 sectors/track, 8720 cylinders
> Units = cylinders of 16065 * 512 = 8225280 bytes
> 
>    Device Boot    Start       End    Blocks   Id  System
> /dev/sdc1             1         2     16033+  83  Linux
> /dev/sdc2             3      8720  70027335   83  Linux
> 
> 
> So, how do I get this device and file system back so I can mount it and
> what would make it dissapear in the first place?
> 
> --Vincent
> 
> 
> 
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-- 
Adam Manthei  <amanthei redhat com>


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