On May 20, 2010, at 1:12 PM, Bill Sommerfeld wrote: > On 05/20/10 12:26, Miles Nordin wrote: >> I don't know, though, what to do about these reports of devices that >> almost respect cache flushes but seem to lose exactly one transaction. >> AFAICT this should be a works/doesntwork situation, not a continuum. > > But there's so much brokenness out there. I've seen similar "tail drop" > behavior before -- last write or two before a hardware reset goes into the > bit bucket, but ones before that are durable. > > So, IMHO, a cheap consumer ssd used as a zil may still be worth it (for some > use cases) to narrow the window of data loss from ~30 seconds to a sub-second > value.
+1 -- richard -- ZFS and NexentaStor training, Rotterdam, July 13-15, 2010 http://nexenta-rotterdam.eventbrite.com/ _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
