Howard asks...
> When you swap the drives are you changing the mechanical orientation of
> the drives i.e. is one drive array mounted horizontal and the other
> vertical for instance? That can cause drives with high hours not to spin
> up as readily.
All of the drives are mounted in an Avid MediaDock with eight slots, stacked
vertically. The drives sit horizontally when they are in the dock, but they
are stored in a foam lined case, oriented vertically when they are not being
used? Could this be a factor?
And from Neal,
>If you can prove that it is a particular
> drive I would persue getting that drive replaced. (One of the motors in the
> drive may have a sticky spot and require a reseat to jog it free.)
Is there an easy way to tell which drive is not mounting when only 7 come
up? I have the drives numbered, so they always go into the same slot in the
Mediadock.
> In my experience with the MediaDaock LVD it needs a good long spin up time in
> order for all drives to have sufficient time to spin up. The drives are spun
> up based on the their slot position and the lower slots will take longer than
> the upper.
That may be part of the problem... I can get kind of impatient to get right
to work sometimes...
> Another cause is that one of the drives is simply taking longer than its
> colleagues to spin up because it is beginning to fail. This is a really hard
> one to diagnose since this may be the only symptom right now. However this
> kind of problem has a really nasty habit of getting worse very quickly. ASM
> might show this drive as having errors although you are probably going to have
> to invest the time and aggrevation in breaking the stripe group concerned and
> doing a thorough destructive
Sounds like I should definitely do the read/write test, as soon as I can get
the media off the drives.
I'll get the torch out and look for the offensive bunnies. You did mean
oxy-acetylene didn't you? Or was that propane? :-)
Thanks, gentlemen, for all of your assistance.
--Phil
Phil Mastman
Sandlot Pictures, Inc.
http://www.sandlotpictures.com/phil.html
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