On Nov 26, 2007 8:41 PM, Joe Little <[EMAIL PROTECTED]> wrote: > I was playing with a Gigabyte i-RAM card and found out it works great > to improve overall performance when there are a lot of writes of small > files over NFS to such a ZFS pool. > > However, I noted a frequent situation in periods of long writes over > NFS of small files. Here's a snippet of iostat during that period. > sd15/sd16 are two iscsi targets, and sd17 is the iRAM card (2GB) > > [iostat output] > > During this time no operations can occur. I've attached the iRAM disk > via a 3124 card. I've never seen a svc_t time of 0, and full wait and > busy disk. Any clue what this might mean?
This sounds like 6566207: si3124 driver loses interrupts. I have observed similar behavior as a result of this bug. Upgrading to build 71 or later should fix things. Chris _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
