I don't know about the control arm thing.
But the thing we have in common was the premature marking tapes FULL at
80 GB and my library was SCSI attached using the same controller.
Is it possible you/someone upgraded the firmware on your drive with(out)
your knowledge?
Could someone have upgraded the drivers for your drives with(out) your
knowledge?
While speaking to the elite tech support folks at Legato they said that
can happen when Legato Networker receives "too many" SCSI errors.
They didn't tell me how many was too many... Sorry.
Hope this helps.
Semper Fidelis, /ALE
Eddie Albert, Network Serf
Air Force Real Property Agency
Executive Services/Computer Systems
Desk (703) 696 - 5509 - Hip (703) 517-3855
Eddie.Albert AT afrpa.Pentagon.af DOT mil
> -----Original Message-----
> From: Legato NetWorker discussion
> [mailto:NETWORKER AT LISTSERV.TEMPLE DOT EDU] On Behalf Of Matt Temple
> Sent: Wednesday, October 26, 2005 11:27 AM
> To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
> Subject: [Networker] sudden change in tape capacity?
>
> All,
>
> Something very strange has happened to my storage node...
> First of all, the node is a 126-slot Qualstar with 3 AIT-4 drives.
> For a number of months, this unit has worked well. It's attached
> to an HP server running Fedora core 1. I know this isn't officially
> supported, but has always worked flawlessly on both the
> server and this storage node.
>
> Something suddenly changed. First, I had some really
> weird robot-amr failures, including one instance where a tape
> was sitting ejected from one of the drives and there was a tape
> in the gripper arm waiting to be inserted. I haven't seen that in
> all of the 7 years I've been using Networker. On at least
> one occasion, I've attempted to move a tape with the library
> front panel and received a message that the source was empty
> (ejected tape) when it clearly was not. And suddenly, the tapes
> are being marked full with about 80 GB (these are AIT-4) with
> no error messages showing up. I'm using an Adaptec 39320A
> and the AIC79XX driver. This is a dual channel card and
> I've switched
> the two
> cables around -- no change -- just erratic behavior, and
> occasional time when the robot arm doesn't move on program
> command (it always moves by front panel)
>
> I plan to install a different SCSI card -- 39160
> to see if there's any
> change. Any ideas of what's going on? Does this kind of erratic
> scenario seem familiar to anyone?
>
>
> Matt Temple
>
> --
> =============================================================
> Matthew Temple Tel: 617/632-2597
> Director, Research Computing Fax: 617/582-7820
> Dana-Farber Cancer Institute mht AT research.dfci.harvard DOT edu
> 44 Binney Street, LG300/300 http://research.dfci.harvard.edu
> Boston, MA 02115 Choice is the Choice!
>
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