Hi Rainer,
Thanks for responding anyway.
Regards,
Alexander
----- Original Message -----
From: "Rainer Holzinger" <Rainer.Holzinger AT UPM-KYMMENE DOT COM>
To: <ADSM-L AT VM.MARIST DOT EDU>
Sent: Tuesday, August 17, 2004 11:55 AM
Subject: Antwort: Re: Antwort: Linux restore hangs in IdleW
> Hi Alexander,
>
> then your problem is a different one that I had.
>
> Sorry,
> Rainer
>
>
>
> Alexander
> Verkooijen An:
ADSM-L AT VM.MARIST DOT EDU
> <alexander@SARA. Kopie:
> NL> Thema: Re: Antwort: Linux
restore hangs in IdleW
> Gesendet von:
> "ADSM: Dist Stor
> Manager"
> <[email protected]
> T.EDU>
>
>
> 17.08.2004 11:53
> Bitte antworten
> an "ADSM: Dist
> Stor Manager"
>
>
>
>
>
>
> Hello Rainer,
>
> The value for sack is 0
>
> Regards,
>
> Alexander
>
> On Tue, 17 Aug 2004 11:32:30 +0200
> Rainer Holzinger <Rainer.Holzinger AT UPM-KYMMENE DOT COM> wrote:
>
> > Hi Alexander,
> >
> > I had a similar problem.
> > Could you please try on your AIX system where the ITSM sever is running
> the
> > command 'no -a | grep sack'?
> > What's the setting for sack?
> >
> > regards, Rainer
> >
> >
> >
> > Alexander
> > Verkooijen An:
> ADSM-L AT VM.MARIST DOT EDU
> > <alexander@SARA. Kopie:
> > NL> Thema: Linux restore
> hangs in IdleW
> > Gesendet von:
> > "ADSM: Dist Stor
> > Manager"
> > <[email protected]
> > T.EDU>
> >
> >
> > 17.08.2004 11:23
> > Bitte antworten
> > an "ADSM: Dist
> > Stor Manager"
> >
> >
> >
> >
> >
> >
> > Hello,
> >
> > (Searched the list archives and mr. Sim's page, even read the manual)
> >
> > We are seeing weird behaviour of the 5.2.3.1 client on
> > several Red Hat 7.3 systems.
> > (yes, we know 7.3 is very old but we can't upgrade for political
> reasons).
> >
> > When we try to restore a file that resides on a tape
> > that is not mounted in a drive the server starts to mount the tape.
> > The restore session goes into MediaWait. The client reports
> > that it is waiting for a media mount. After a minute or so
> > the tape is mounted and the session goes into Run.
> > This lasts for about another minute. I guess the tape is being
> > positioned. Q ses doesn't show any data going to the client.
> > The the session goes to IdleW and stays that way.
> > The status of the tape is "IN USE" until after 13 minutes
> > the session dismounts the tape and immediately terminates
> > itself (connection severed). Our CommTimeOut is 15 minutes btw.
> > At this point the client still reports it is waiting for a
> > mediamount until. Of course no data has been restored.
> > We have seen client hang for hours like this until we killed
> > them manually.
> >
> > Because of the old RedHat level we can't go to IBM for support
> > and we can't reproduce this problem on other systems with
> > more up-to-date OS levels.
> > And no, we really can't upgrade these systems.
> >
> > This is clearly some kind of timing problem because when the tape is
> > in a drive (in IDLE state) before the restore is started or when the
> > data is on a disk volume instead of a tape the restore completes without
> > any problem.
> > It looks like the 60 second wait for the mount is causing this
behaviour.
> >
> > Has anybody seens this before?
> >
> > (5.2.3.0 server on AIX 5.2, 3494 library with 3590E drives)
> >
> > Thanks,
> >
> > Alexander
>
>
> --
>
> Met vriendelijke groet,
>
> Alexander
>
> ------------------------------------------------------------
> Alexander Verkooijen
> Senior Systems Programmer
> High Performance Computing
> SARA Computing & Networking Services
>
|
