Re: [linux-lvm] LVM Overhead

[Chris Cox <chris_cox stercomm com>]

Joseph L. Casale wrote:
> Hi,
> I am wanting to use LVM behind an iet iscsi target and I am wondering
> how much overhead if any does LVM add? Would the performance degrade
> any, currently I am exporting full unpartitioned discs and am happy with
> the performance. From what I am reading now, I would likely partition
> the physical discs and use that in LVM then export a volume.

Overhead is negligible.  I haven't seen any impact at all.

> 
>  
> 
> I am new to LVM but see some advantages long term to using it!

Definitely.

> 
>  
> 
> Thanks!
> jlc
> 


-- 
Chris Cox
Sr. Unix Sys Admin