On Jul 7, 2011, at 3:33 PM, nathan wrote: > On 7/07/2011 3:12 PM, X4 User wrote: >> I am bumping this thread because I too have the same question ... can I put >> modern 3TB disks (hitachi deskstars) into an old x4500 ?
X4500 uses the LSI 1068e. AFAIK, that HBA does not support disks > 2TB for all possible firmware revs. YMMV, based on the firmware installed. >> >> If not, would the x4540 accept them ? > > I'd expect they would *work* but whether it would be a good idea or not could > be debated and could indeed be a variable answer. > > My recollection of those boxes is that they had to use enterprise SATA disks > in them (as opposed to consumer SATA) to deal with the internal vibration > that resulted from having so many disks so densely packed. I recall being > involved in a performance issue or two that was related to certain disks in > the box going slow as a result of said vibrations. Not quite. The vibration problem was due to mechanical design and that was fixed prior to GA. As for enterprise vs consumer class drives, Sun was not in the consumer business and, to my knowledge, did not bother qualifying consumer-grade disks. > > For an amusing example of how vibrations can impact disks, google Brendan > Gregg shouting in the datacentre. Different scenario, of course, but same root cause :-) -- richard _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
