not at the momeny- it's really that I won't have time until april
On 3/27/07, Richard Tector <[EMAIL PROTECTED]> wrote:
Matthew Jacob wrote: > It's been seen before but the fix isn't know yet. > > On 3/27/07, Richard Tector <[EMAIL PROTECTED]> wrote: >> I'm suffering from very slow write performance on a Dell PowerEdge 860 >> with the SAS5/IR controller (mpt driver) running either 6.2-RELEASE or >> 6.2-STABLE with sources from yesterday. The controller hosts 2 Western >> Digital 320GB SATA disks in a RAID1 configuration. >> Reads approach 65MB/s however writes appear extremely slow, in the >> region of 6-7MB/s with a dd and a blocksize of 1MB all the way down to >> about 300KB/s while extracting a ports snapshot. >> >> It was suggested to me that perhaps write caching has been disabled on >> the controller however no options exist within the BIOS configuration to >> view/adjust *any* caching options. >> >> Has anyone else experienced this issue? If so how did they resolve it? >> Also, is there any way to toggle the caching settings from FreeBSD? >> >> Regards, >> >> Richard Tector >> _______________________________________________ >> freebsd-stable@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-stable >> To unsubscribe, send any mail to >> "[EMAIL PROTECTED]" >> Thank you for the quick reply. Is there any information I could obtain that would be of use to you in tracking this one down? Regards, Richard
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