Ricardo M. Correia wrote: > Hi Richard, > > On Qua, 2008-10-22 at 14:04 -0700, Richard Elling wrote: > >> It is more important to use a separate disk, than to use a separate and fast >> disk. Anecdotal evidence suggests that using a USB hard disk works >> well. >> > > While I don't necessarily disagree with your statement, please note that > (as far as I'm aware) USB disks don't respect the "flush write cache" > command, so in fact the disk may appear to be faster than it actually is > because it's not maintaining proper transactional consistency. >
YMMV. Some USB-to-SATA converters seem to have switches to enable or disable the "optimized for quick removal" mode. -- richard _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
