[linux-lvm] LVM on RAID

Matthew B. Brookover mbrookov at mines.edu
Wed Sep 20 13:55:24 UTC 2006

I have used LVM on top of software raid and ISCSI.  It works well.  It
also helps keep track of what device is where.  ISCSI does not export
its targets in the same order, some times sdb shows up as sdc....   LVM
will keep track of what is what.


On Tue, 2006-09-19 at 16:53 -0500, Alexander Lazarevich wrote:

> We have several RAID devices (16-24 drive Fiber/SCSI attached RAID) which 
> are currently single devices on our 64bit linux servers (RHEL-4, core5). 
> We are considering LVM'ing 2 or more of the RAID's into a LVM group. I 
> don't doubt the reliability and robustness of LVM2 on single drives, but I 
> worry about it on top of RAID devices.
> Does anyone have any experience with LVM on to of RAID volumes, positive 
> or negative?
> Thanks,
> Alex
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