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
|
