[linux-lvm] LVM on RAID

Michael T. Babcock mike at mikebabcock.ca
Wed Sep 20 14:01:49 UTC 2006

I use LVM2 on software and hardware raid on a regular basis.  Almost 
every server I configure has hardware raid and all the machines I 
support run LVM.  No problems to report.

Matthew B. Brookover wrote:
> 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?

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