Mika Borner writes: > >RAID5 is not a "nice" feature when it breaks. > > Let me correct myself... RAID5 is a "nice" feature for systems without > ZFS... > > >Are huge write caches really a advantage? Or are you taking about > huge > >write caches with non-volatile storage? > > Yes, you are right. The huge cache is needed mostly because of poor > write performance for RAID5 (of course battery backuped)... > > > // Mika >
Having a certain amount on non-volatile cache is great to speed up the latency of ZIL operations which directly impact some application performance. -r _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
