On Nov 17, 2007 9:12 AM, Louwtjie Burger <[EMAIL PROTECTED]> wrote:
> You have a 6140 with SAS drives ?! When did this happen?

OOPS! I meant FC-AL

>
>
>
> On Nov 17, 2007 12:30 AM, Asif Iqbal <[EMAIL PROTECTED]> wrote:
> > I have the following layout
> >
> > A 490 with 8 1.8Ghz and 16G mem. 6 6140s with 2 FC controllers using
> > A1 anfd B1 controller port 4Gbps speed.
> > Each controller has 2G NVRAM
> >
> > On 6140s I setup raid0 lun per SAS disks with 16K segment size.
> >
> > On 490 I created a zpool with 8 4+1 raidz1s
> >
> > I am getting zpool IO of only 125MB/s with zfs:zfs_nocacheflush = 1 in
> > /etc/system
> >
> > Is there a way I can improve the performance. I like to get 1GB/sec IO.
> >
> > Currently each lun is setup as primary A1 and secondary B1 or vice versa
> >
> > I also have write cache eanble according to CAM
> >
> > --
> > Asif Iqbal
> > PGP Key: 0xE62693C5 KeyServer: pgp.mit.edu
>
> > _______________________________________________
> > zfs-discuss mailing list
> > [EMAIL PROTECTED]
> > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
> >
>



-- 
Asif Iqbal
PGP Key: 0xE62693C5 KeyServer: pgp.mit.edu
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