My OS is (Key-up Darkside music here) Windows 2003, but it is the same
symptom.
For the compression issue, there are compression settings in both the
Networker Software and hardware setting for the tape drive, you may have
compression OFF somewhere.
Man I love it when I am right and I get to help someone...Woo-Hoo! /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: Matt Temple [mailto:mht AT research.dfci.harvard DOT edu]
> Sent: Wednesday, October 26, 2005 2:22 PM
> To: Albert Eddie Contractor AFRPA/ESS
> Cc: Legato NetWorker discussion
> Subject: Re: [Networker] sudden change in tape capacity?
>
> Albert Eddie Contractor AFRPA/ESS wrote:
>
> >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.
> >
> >
> Very strange. I did upgrade the firmware on the drives. I
> had forgotten,
> because there were so many other problems -- that's why I
> upgraded the firmware.
> But now I"m going to have a look at the dates:
>
> October 10 is when I moved the sony file: sdx900v_0102.x90
> There seems to be a relationship.
>
> Density was erratic before that -- as low as 90 and as high as 180.
> But now it's never above 80 gb.
> I've NEVER gotten 200 gb on these tapes. I have an ASC39160
> controller
> card I'm going to substitute. I don't normally see any scsi
> errors to
> account
> for this. Right now I'm getting much more data on my AIT-3 tapes!
> Really strange. What version Linux are you using? What driver?
>
> >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!
> >>
> >>To sign off this list, send email to
> >>listserv AT listserv.temple DOT edu and type "signoff networker"
> in the body
> >>of the email. Please write to
> networker-request AT listserv.temple DOT edu if
> >>you have any problems wit this list. You can access the archives at
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> >>
> >>
> >>
>
>
> --
> =============================================================
> 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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