My understanding is that the main difference between desktop drives
and enterprise raid array drives in this regard is that the drive firmware
is configured to retry errors a lot longer on the desktop drives.
It is also my experience, although it was a few years ago on older
model WD drives, that
Greetings,
I have built many RAID systems using desktop disks and they are
generally quite stable. One of the issues with WD drives are with their
Green drives. By default, they park the heads after ~8 seconds of
inactivity. This will cause them to drop out of the array. The disk
firmware can be
-linux-us...@listserv.fnal.gov
[mailto:owner-scientific-linux-us...@listserv.fnal.gov] On Behalf Of Doug
Johnson
Sent: Thursday, October 04, 2012 1:07 PM
To: Steven Timm
Cc: Ken Teh; scientific-linux-users
Subject: Re: disk recommendations
Greetings,
I have built many RAID systems using desktop
Similar findings here, where the first batch of drives in our hadoop
clusters were WD greens. smartctl shows huge Load_Cycle_Count numbers
for those drives which have been in service for a while (and they do
indeed keep us busy with RMAs). Eventually we found this utility which
can disable the
