I had a similar problem on a quad core amd box with 8 gig of ram... The performance was nice for a few minutes but then the system will crawl to a halt. The problem was that the areca SATA drivers can't do DMA when the dom0 memory wasn't at 3 gig or lower.
On 04/11/2007, at 3:49 PM, Martin wrote: > Mitchell > > The problem seems to occur with various IO patterns. I first > noticed it after using ZFS based storage for a disk image for a xVM/ > Xen virtual domain, and then, while tracking ti down, observed that > either "cp" of a large .iso disk image would reproduce the problem, > and more later, a single "dd if=/dev/zero of=myfile bs=16k > count=150000" would. So I guess this latter case is a mostly write > pattern to the disk, especially after it is noted that the command > returns after around 5 seconds, leaving the rest buffered in memory. > > best regards > > Martin > > > This message posted from opensolaris.org > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
