Too much memory cache being used while moving large file

[jlb17 at duke.edu (Joshua Baker-LePain)]

On Wed, 30 Nov 2005 at 9:00pm, Sean O Sullivan wrote

> System :
> CentOS 4.2
> 2.6.9-22.0.1.ELsmp
> System fully up-to-date.
> 3GB RAM
> 3ware 9000S card, with Raid5 array.
>
> I think that's about all relevant info ...
>
> Had file on disk (not array), attempted to mv file to array.
> Went fine till 2.4GB was copied, then it slowed down to a meg every few 
> minutes.
> Free memory was ~50MB (Typically is 1.5-2GB), and cache was 2.5GB.

I'm guessing this was your problem (workarounds suggested in the bug):

https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=156437

'mount -o noreservation' the FS and try it again.

-- 
Joshua Baker-LePain
Department of Biomedical Engineering
Duke University