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  1. What you will be seeing there is the log files...

    What you will be seeing there is the log files being backed up to TSM.
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    Having a number there is valid and sometimes...

    Having a number there is valid and sometimes there are reasons to have a number less that the installed number of drives.
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    This is interesting -...

    This is interesting - http://publib.boulder.ibm.com/tividd/td/TSMCW/GC32-0782-00/en_US/HTML/anrwgd86.htm

    It seems to indicate that unless you have the devconfig option specified in your...
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    Try "upd libv ...

    Try "upd libv <library_name> <volume_name> status=pri"
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    I've had issues with TSM waiting until tapes were...

    I've had issues with TSM waiting until tapes were unmounted before it recognises the drives as free. If the mount retention is high, then this would be a problem.
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    How fast is it when you are backing up? Are the...

    How fast is it when you are backing up? Are the backups held on disk or tape?

    How fast is the disk on the SQL server? How many disks and configuration for logs and database? What network...
  7. My guess would be that the tapes were not...

    My guess would be that the tapes were not assigned to a logical library after the I/O door(s) were closed.
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    How about adding a second opt file on a couple of...

    How about adding a second opt file on a couple of servers. Have a different nodename for your test and backup using the second opt file with the data going to the Data Domain device.

    You wouldn't...
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    Do a migration to a new server rather than an...

    Do a migration to a new server rather than an upgrade. That way, there is no downtime. The cost will be in hardware and time but nothing is free.
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    The delete volhist command has a todate option...

    The delete volhist command has a todate option but not a fromdate option. You can't enter a range of dates to delete.


    The following will delete the export you wanted gone as well as all the...
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    It might pay to check out why it became...

    It might pay to check out why it became unavailable. It usually happens because TSM attempted to mount it but that failed. If the problem still exists then making it available again won't help.
    ...
  12. Sounds like it is a TSM database backup tape.

    Sounds like it is a TSM database backup tape.
  13. Open the I/O door(s), move every tape into a...

    Open the I/O door(s), move every tape into a different I/O slot and close the door(s). You will then be able to select a logical library other than system and use the tapes as normal.

    This is...
  14. Have had the same issue. I think you need a...

    Have had the same issue. I think you need a little more redirection when starting the scheduler service. Below the command for starting the scheduler which fixed the problem for me. It will be the...
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    Did you restart your client scheduler? Changes...

    Did you restart your client scheduler? Changes to the .opt file require the scheduler to be restarted so it picks up the changes.
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    I believe you cannot do a restore of windows...

    I believe you cannot do a restore of windows files to linux. Try doing it on a system with the same OS.
  17. Use a file device class. A disk device class is...

    Use a file device class. A disk device class is ok if data is there a short time before moving to tape. If the data will be staying on disk use a file device class as it will deal with...
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    forbidth, I've just finished working through...

    forbidth,

    I've just finished working through the same problem at our site. Our backup script would run fine manually but it we ran it through the TSM scheduler, it would fail. It would work if...
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    Not using nodegroups so haven't tried this, but I...

    Not using nodegroups so haven't tried this, but I do a similiar thing for collocation groups.

    select node_name, collocgroup_name from nodes where length(collocgroup_name) is null

    Not sure of...
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    You could create new storage pools and use...

    You could create new storage pools and use migrate stg.

    Also, if the drives are going to be in the same library long term, I would setup different logical libraries for them. We tried keeping...
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    It might be helpful to describe the problem the...

    It might be helpful to describe the problem the PM was trying to solve with this list of filenames, size and tapes.

    There is bound to be a better way to solve the problem.
  22. TSM for ERP works differently from the TSM for...

    TSM for ERP works differently from the TSM for Databases client.

    BOTH log and database backups are archives to TSM.
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    Try q volh t=dbb TSM database backup tapes...

    Try q volh t=dbb

    TSM database backup tapes don't belong to a storagepool. If these tapes are TSM database tapes, you may want to change the retention of database tapes.
  24. You can do this for the storage pool as a whole...

    You can do this for the storage pool as a whole by setting a migration delay.

    upd stg <pool_name> migd=90 migc=no rec=100

    migrate stg <pool_name> lo=0

    The migration will migrate everything...
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    It looks like the client lost connection to the...

    It looks like the client lost connection to the TSM server. I've seen the "Vendor: Reason Code 18" when running backups are killed either manually or a higher priority process prempts it.
    ...
  26. Thread: Error on tape

    by DazRaz
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    I would not use the tape again. Trident's first...

    I would not use the tape again. Trident's first suggestion is the procedure to restore the data on the damaged tape from the copypools. You can run the following to find the volumes you will need....
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    I would try to find out why they are private. ...

    I would try to find out why they are private.

    q act begind=-30 search=<tape_name>

    You may be able to spot why the tape is set to private. No need to check the tapes back out and in. Use this:...
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    You still have plenty to scratch tapes in the...

    You still have plenty to scratch tapes in the library? I wouldn't worry about which tapes the library picks up. If it attempts to mount a scratch tape and that fails, it will change the tape from...
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    So what actual problem are you experiencing? ...

    So what actual problem are you experiencing? There is no point in keeping TSM database backups forever. If you have to restore the TSM database, you will want to get the storage pool tapes back to...
  30. Thread: Slow WAN

    by DazRaz
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    Doing a similiar amount for 50 servers across 2Mb...

    Doing a similiar amount for 50 servers across 2Mb links. It is going to hit the network hard. For us, it is all in the timing. We swamp the lines when no one else is using them. You could look at...
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    For the database backups, look at Set DRMDBB. To...

    For the database backups, look at Set DRMDBB. To retain database backups for 5 days use 'Set DRMDBB 5'. Typically, you should then set the reuse delay on the storage pools to 5 days too.

    After...
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    Thanks Ralf Works a treat now.

    Thanks Ralf

    Works a treat now.
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    Finding Tape Drive Utilisation

    Hi

    In ver5.5, I have been using the following to find the number of minutes tapes are loaded in tape drives. This has been useful in the past for demonstrating why we need more tape drives.
    ...
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    When grouping servers for collocation, I would...

    When grouping servers for collocation, I would consider then retention periods for the data. The servers in the same group should be expiring their data at the same time as this will reduce the...
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    What is also of interest is how many files are...

    What is also of interest is how many files are are in total on each server. TSM is only backing up files which have changes and for the slower server it is possible that it is having to spend alot...
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    You would use less tapes creating and maintaining...

    You would use less tapes creating and maintaining copypools than if you try the dated approach of full and incrementals.

    How much data is huge? It would help us put it into perspective. Large...
  37. Did the tech mistakenly put the same drive back...

    Did the tech mistakenly put the same drive back in again?
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    On my AIX TSM servers, I have disk and file...

    On my AIX TSM servers, I have disk and file device classes. The disk device class is used for DB2 logs and the storage pool is caching the data so the last 2-3 days are available without needing a...
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    Ok, that makes things a little clearer. Are you...

    Ok, that makes things a little clearer. Are you ready to move everything to the new storage pool? I would update the pool to make the new pool the target for migrations with "upd stg...
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    Is reducing the maxscratch setting of the storage...

    Is reducing the maxscratch setting of the storage pool an option?

    Would be interesting to know how many nodes are backing up to this storage pool. There will be at least one filling tape per node...
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    That is wrong and I think you are over...

    That is wrong and I think you are over complicating things. The move data commands didn't work because you had set the volumes to read only. Move data does work on filling volumes and you do not...
  42. How will that help? If you run out of log space...

    How will that help? If you run out of log space reducing the log space will not help. Speeding up the backup will reduce the time the backup is holding the log open with an active transaction...
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    I would set them back to readw. Try a move data...

    I would set them back to readw. Try a move data after that.
  44. This may be of interest. It is a very high level...

    This may be of interest. It is a very high level overview of what we did with our BW system. Backup time from 24 hours to 5 hours with the TSM for ERP on AIX and DB2.
    ...
  45. I would set the number of sessions to 0. DB2...

    I would set the number of sessions to 0. DB2 will then automatically use what it thinks the the optimal number of sessions.

    Settings I use are:

    Number of buffers: 0
    Buffer Size: 0...
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