Darn, i forgot to include the q session.  I'll wait till it happens again
and get this info.  Thanks...

Tab, thanks for the info.  If it was a 2 minute delay, i could wait. :)
This problem keeps the volume in use for DAYS, until i manually restart
TSM.

ray



On Tue, 23 Sep 2003, Tab Trepagnier wrote:

> Ray / Wanda,
>
> Yes, sometimes a client session can reserve a volume.  But I've seen in TSM
> 5.1 that the process that reserved the drive just takes longer to release
> it.
>
> We do multi-process migration and storage pool backups.  After the last
> individual process finishes, it takes as much as two minutes or more before
> TSM reports the entire activity being complete.  During that in-between
> time, there is nothing running, but the affected drives still show as being
> in use.  For example, if you try to force a volume dismount, TSM will
> report the volume being "not idle."
>
> If your system is doing a lot of paging - ours isn't - the 2+ minute delay
> could get significantly longer, during which time it appears that you have
> resources reserved while TSM is doing nothing.
>
> That delay seems to have gotten quite a bit longer compared to TSM 4.1.  I
> have no idea how 4.2 worked in this regard since we did not use that
> release.
>
> We haven't reported it to IBM because we know if we just wait it will fix
> itself and we seldom get so busy that a couple of minutes is significant.
>
> Tab Trepagnier
> TSM Administrator
> Laitram, LLC
>
>
>
>
>
>
> |---------+---------------------------->
> |         |           "Prather, Wanda" |
> |         |           <Wanda.Prather@JH|
> |         |           UAPL.EDU>        |
> |         |           Sent by: "ADSM:  |
> |         |           Dist Stor        |
> |         |           Manager"         |
> |         |           <[email protected]|
> |         |           .EDU>            |
> |         |                            |
> |         |                            |
> |         |           09/23/2003 12:44 |
> |         |           PM               |
> |         |           Please respond to|
> |         |           "ADSM: Dist Stor |
> |         |           Manager"         |
> |         |                            |
> |---------+---------------------------->
>   
> >---------------------------------------------------------------------------------------------------------------|
>   |                                                                           
>                                     |
>   |       To:       ADSM-L AT VM.MARIST DOT EDU                               
>                                            |
>   |       cc:                                                                 
>                                     |
>   |       Subject:  Re: dismount volume in use?                               
>                                     |
>   
> >---------------------------------------------------------------------------------------------------------------|
>
>
>
>
> Next time it happens, try :  q session f=d
>
> That will show you if a client restore session still has the tape mounted.
>
> -----Original Message-----
> From: -ray [mailto:ray AT OPS.SELU DOT EDU]
> Sent: Monday, September 22, 2003 7:21 PM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: dismount volume in use?
>
>
> All,
>
> TSM 5.1.7.2 on AIX 4.3.3, 3570 library.  I have a curious problem in that
> occasionally, when TSM finishes a process, it fails to mark a 3570 volume
> status as IDLE.  It remains IN USE, so is never dismounted, and ties up
> the drive.  So reclamations just sit there (waiting for multiple mount
> points), and in a few days when scratch tapes are gone, backups start
> failing.
>
> There are no AIX errors, TSM errors, or library hardware errors.  The tape
> stays in the drive, and TSM says its IN USE, but never uses it.
>
> Anyone seen this before?  Is there a way to see what has the volume IN
> USE?  Change it to IDLE? Or forcibly dismount the IN USE volume?  The only
> fix i have found is to halt and restart TSM.  Not an optimal solution for
> us.  Thanks for any info.
>
> tsm: TSM>q proc
> ANR0944E QUERY PROCESS: No active processes found.
> ANS8001I Return code 11.
>
> tsm: TSM>q req
> ANR8346I QUERY REQUEST: No requests are outstanding.
> ANS8001I Return code 11.
>
> tsm: TSM>q mount
> ANR8329I LTO volume ABA426 is mounted R/W in drive TAPE6 (/dev/rmt6),
> status: IDLE.
> ANR8330I 3570 volume 006BF3 is mounted R/W in drive TAPE2 (/dev/rmt2),
> status: IN USE.
> ANR8334I         2 matches found.
>
>
>
> ray
> --
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
> Ray DeJean                                       http://www.r-a-y.org
> Systems Engineer                    Southeastern Louisiana University
> IBM Certified Specialist              AIX Administration, AIX Support
> =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
>

--
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
Ray DeJean                                       http://www.r-a-y.org
Systems Engineer                    Southeastern Louisiana University
IBM Certified Specialist              AIX Administration, AIX Support
=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=