I don't know about EMC sans. It's easy enough to test, make the changes, test again and see what the effect is.
-C On Wed, Mar 17, 2010 at 12:43 PM, Domenico Viggiani <[email protected]> wrote: > * Corey Kovacs wrote: >> Also, you might consider using noop as an IO scheduler (or lack of >> one) since large SAN's (EVA8x00) handle command reordering at the >> controller level. This can make a difference and you can change it on >> the fly as well. > Is this suggested with EMC middle-class arrays like CX700 too? > I was unable to find documentation even on Powerlink. > >> I also changed my nr_requests value to 256 up from 128 (512 was too >> much). These two things along with "group_by_prio" got me from 200MB's >> to > 500MB/s over 4G fibre > Is this suggested with old-style (1-2 GBps) SANs? > > Thanks you > -- > DV > > _______________________________________________ > rhelv5-list mailing list > [email protected] > https://www.redhat.com/mailman/listinfo/rhelv5-list > _______________________________________________ rhelv5-list mailing list [email protected] https://www.redhat.com/mailman/listinfo/rhelv5-list
