[Linux-cluster] is necesary to to build GFS on top of LVM ?

[Ivan Pantovic]

You can use udev with scsi_id to map that lun always on the same place 
instead using lvm to find volumes.

There is another thing you should consider. It is cLVM not LVM.

Roger PeXa Escobio wrote:
> 
> --- "Matthew B. Brookover" <mbrookov at mines.edu> wrote:
> 
> 
>>I have an iscsi scan that would not work with out
>>LVM.  As with your EMC
>>SAN I can expand a volume and expand a GFS file
>>system within it.  Where
>>I get into trouble is identifying the volumes after
>>a reboot.  What
>>was /dev/sdb may be /dev/sdc next time.  LVM allows
>>you to name your
>>volumes and helps to track them down when the system
>>is restarted.
>>There are similar problems when SCSI ID numbers get
>>swapped around.
>>
> 
> yes, I know what you mean
> I was looking for something like ext{2,3} label for
> the filesystem but I could'n find anything for gfs :-(
> 
> so I am hopping that PowerPath kernel module always
> identify the LUN with the same emcpower device :-)
> if that is not true I will be forced to move to LVM
> under GFS :-)
> 
> 
> thanks
> roger
> 
> 
> 
> 
> __________________________________________
> RedHat Certified Engineer ( RHCE )
> Cisco Certified Network Associate ( CCNA )
> 
> __________________________________________________
> Do You Yahoo!?
> Tired of spam?  Yahoo! Mail has the best spam protection around 
> http://mail.yahoo.com 
> 
> --
> Linux-cluster mailing list
> Linux-cluster at redhat.com
> https://www.redhat.com/mailman/listinfo/linux-cluster

-- 
Ivan Pantovic, System Engineer
-----
YUnet International  http://www.eunet.yu
Dubrovacka 35/III,   11000 Belgrade
Tel: +381 11 311 9901;  Fax: +381 11 311 9901; Mob: +381 63 302 288
-----
This  e-mail  is confidential and intended only for the recipient.
Unauthorized  distribution,  modification  or  disclosure  of  its
contents is prohibited. If you have received this e-mail in error,
please notify the sender by telephone  +381 11 311 9901.
-----