O/H Garrett Cooper έγραψε:
i would agree that the greatest stress on a disk might just be while
its turning on from cold... but with the warranties that seagate is
offering these days, i feel bold enough to power them off/on at least
once a day.
Well, I feel the same but only about WD's drives. Seagate's newer drives
seem to die a lot more frequently than they used to (I've had 4 / 7
Seagate drives die on me in the past few months and 1/6 WD drives die on
me).
Lately there has been a report on hard-disk failures from Google's own
system usage.
http://www.lockergnome.com/nexus/blade/2007/03/03/google-hard-drive-failures-high-temps-may-not-cause-failures-maybe/
There is also this abstract from 5th USENIX Conference on File and
Storage Technologies
http://www.usenix.org/events/fast07/tech/schroeder.html
Just watch out for those slim sized 3,5" Maxtor disks. Several of the
20G and 40G models, in a 5-year time span, crashed and burned in
customers' PCs with 0% data recovery.
Also there has been some problem with SATA cabling (the data cable).
Brand new SATA2 disks on eight brand new PCs, randomly experiencing slow
OS boot or reporting problems finding files. Shortly after a disk
developed bad sectors and noticing similar problems on the other PCs, I
swapped all SATA cables with different ones. I have yet to hear a complaint.
--
RTFM and STFW before anything bad happens
_________________________________________
Thanos Rizoulis
Electronic Computing Systems Engineer
Larissa, Greece
FreeBSD/PCBSD user
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