Re: GPT Partitions >2.2T with Centos 5.5

["Alexander Dalloz" <ad+lists@xxxxxxxxx>]

>> I think ext3 is a bit slow on so big LUNS, try xfs or similar?
>
> there is no official support for xfs in RHEL5, so that is not an option.
> Besides, I'm talking about a drop of >150mb/s to ~10mb/s read performance
> when cracking the 2.2T size. This is clearly not in the ext3 (or FS for
> that matter) magnitude of performance issues. Also, numbers stay the same
> when dd'ing on the raw device (LUN).
>
> -Jens

Hello Jens,

I always used LVM to make LUNs from a NetApp SAN available to CentOS/RHEL
4/5 systems. Administrating several systems with multiple LUNs of +2.2TB
and not seeing such a negative performance impact. Filesystem used is
ext3.

Regards

Alexander


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