[CentOS] compaq dl380 raid 5 striping size using built inscsicontrollers ??

Jim Wildman jim at rossberry.com
Wed Nov 9 21:01:28 UTC 2005


On Wed, 9 Nov 2005, Robert wrote:

> low, medium and high for when a drive is hort swap replaced or an array is
> expanded etc...
> 
> what does the wisdom on the list say here ???
> 
> the server will be low traffic for quite some time and so im guessing
> setting it to HIGH priority will not make a difference in day to day
> operations should a drive fail.
> 
> do most people set it to HIGH regardless of the machine or situational
> possibilites?
> 

Setting it to HIGH will mean that drive rebuilds take precedence over OS
based disk I/O.  It will kill your performance while it rebuilds.  If
you can live with that, or if you are going to take it offline or do it
at night, then fine.  Otherwise, stick with low or medium.

------------------------------------------------------------------------
Jim Wildman, CISSP, RHCE       jim at rossberry.com http://www.rossberry.com
"Society in every state is a blessing, but Government, even in its best
state, is a necessary evil; in its worst state, an intolerable one."
Thomas Paine



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