[mythtv-users] Seagate Lockups (was libraries over 8TB)
raymond at wagnerrp.com
Tue Jul 10 00:10:45 UTC 2012
On 7/7/2012 13:33, Travis Tabbal wrote:
> On Sat, Jul 7, 2012 at 11:28 AM, Jay Ashworth <jra at baylink.com
> <mailto:jra at baylink.com>> wrote:
> ----- Original Message -----
> > From: "Alexander Fisher" <alex at alexfisher.me.uk
> <mailto:alex at alexfisher.me.uk>>
> > I've also had some odd behavior from one of my non-enterprise Seagate
> > drives. It's firmware locked up the other day, the drive not coming
> > back without a power cycle.
> I believe you had the same problem that I've had on 5 different Seagates
> over the last 4 years:
> There's a black hole somewhere on the drive. If you never touch it,
> the drive
> works just fine. But the second you even read one of those sectors, the
> drive adapter falls off line, and Linux can't touch it anymore, and
> it doesn't
> recover until you power the drive off. Once you do, everything's
> fine until
> you hit that spot again.
> My test for new drives is now to put them in a ZFS mirror, and fill them
> to 100% capacity, then to a zpool scrub on them to make sure they are
> holding the data properly.
No need to use a mirror, just do single drives. ZFS checksums
everything and will detect an error on a scrub even if you don't have
another copy of the data to compare against.
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