On Wed, February 9, 2011 04:51, Matt Connolly wrote: > Nonetheless, I still find it odd that the whole io system effectively > hangs up when one drive's queue fills up. Since the purpose of a mirror is > to continue operating in the case of one drive's failure, I find it > frustrating that the system slows right down so much because one drive's > i/o queue is full.
I see what you're saying. But I don't think mirror systems really try to handle asymmetric performance. They either treat the drives equivalently, or else they decide one of them is "broken" and don't use it at all. -- David Dyer-Bennet, d...@dd-b.net; http://dd-b.net/ Snapshots: http://dd-b.net/dd-b/SnapshotAlbum/data/ Photos: http://dd-b.net/photography/gallery/ Dragaera: http://dragaera.info _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
