Tape marked as offsite ready due to a single protection group left behind on tape

Hi,
we're using DPM2012, we have it on two nodes, the first backs up to disk and then offsite to the second server which goes to disk + tape.
In general tape colocation works however I have a slight issue;
At the moment we are running close to the number of tapes we actually need to backup the volume of data we back up, this means that every day I mark tapes as free using the force free tape script available on the web... This works but occasionally I notice
that the script will not quite finish - DPM will take the tape before it completes and start using it as a free tape i.e. immediately starts putting data on the tape.  Normally this is okay but it occasionally leaves a single bit of data on the tape..
the backup will continue and perhaps write 100 GB for example, then all of a sudden that tape is marked as 'offsite ready' when there is clearly lots of free space on the tape.
So today for example I have about 10 different PG's on a tape, all with todays date as the backup date, expiry is plus 2 weeks. But then there is a single PG on there with a date of about 2 weeks ago which I'm assuming is what has made the tape offsite ready.
I don't really want to have to stop active backups from running to be able to mark a tape as free as a fix - anyone know of a way around this?
My second question - relating to co location again - if a backup of a PG needs to span a second tape - can it only do so on a free tape?  some of our larger backups will sit and refuse to write to a tape which might (by estimation) have 500 GB free
space left on it.
Thanks
Chris

Hi,
<snip>
so I might have a tape with 500 GB free space on it sat waiting there, and the job won't utilize this tape.
>snip<
Apples and Oranges - When DPM needs a new tape for spanning purposes, it always requires a free or expired tape. 
When a new backup job starts, DPM looks at all media In the library and determines what tape to write the new data set on.  This is based on the settings of
the PGSet and either picks an existing tape that is still available for writing or it picks a free or expired tape.
So, in the case where a tape is only half used, review what data sets are already written (right-click, view tape contents) and the review the Write Period and Expiry Tolerance values for the protect group set used by the protection groups configured to
that that PGSet.. 
Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT]
This posting is provided "AS IS" with no warranties, and confers no rights.

Similar Messages

  • Free tape stuck as offsite ready?

    I have a tape that’s marked as “offsite ready” despite the fact that I “marked it as free” and subsequently erased it.
    It does not show up as belonging to any protection group and a detailed inventory on the tape doesn’t appear to change its status.
    It also does not show up in the tape management report as a tape ready for offsite despite being marked as such in the console.
    Any help in rectifying this?
    Thanks
    EDIT: sorry additional info, DPM 2012 R2 UR4.

    Sorry to hear about that!
    While we work on root causing/fixing that, you could probably try a workaround which might help here.
    Since the tape is erased/marked free and not associated with any protection group, you can remove the tape from DPM DB and perform inventory thereafter.
    Unfortunately removing tape from DPM DB is not supported in UI. However, you could follow the steps listed down in one of the forum threads to remove the tape from DB. Sharing snapshot of the thread below as pasting links is not working for me:
    To remove a tape media from the over due tape report, you can run a SQL script to remove the media from the DPM database.
    To run the script, perform the following steps:
    1)  Open the DPM console and under the reporting tab, double-click the "tape management" report and select the number of weeks you want a report for (up to 4 weeks).
    2)  Once the report opens- go to the page that list Over Due Tapes.
    3)  Make a note of the "Tape labels"  for the tapes you want to remove from the DPM database so they will no longer show up on the report.
    4) Make a backup of the DPMDB Sql database before proceeding using the following command:
         DPMBACKUP -db (The database will be saved in the C:\Program Files\Microsoft DPM\DPM\Volumes\ShadowCopy\Database Backups folder.
    5) Open SQL Enterprise manager and connect to the Server_name\$MS$DPM2007 instance. (For DPMM 2010 connect to MSDPM2010 instance)
    6) Under DATABASES - Highlight the DPMDB entry - then click on "NEW QUERY" button.
    7)  Copy / paste the following SQL script into the new query window.
    ---------- START COPY HERE -------------
    -- overdue tapes
    -- for clarity, set up the parameter as a variable
    declare @paramTapeLabel as nvarchar(256)
    set @paramTapeLabel = N'SAMPLE_TAPE_LABEL_NAME'
    -- keys
    declare @vMediaId as guid
    declare @vGlobalMediaId as guid
    -- if the delete gives trouble, add keyset after cursor
    declare cur_label cursor
     for select MediaId, GlobalMediaId
     from tbl_MM_Media
     where label = @paramTapeLabel;
    open cur_label
    while (0 = 0)
    begin
     fetch next from cur_label into @vMediaId, @vGlobalMediaId
     -- test for being done
     if @@fetch_status <> 0 break;
     print 'Deleting MediaId = ' + cast(@vMediaId as varchar(36))
     -- do a set of deletes atomically
     begin transaction;
     delete from tbl_MM_TapeArchiveMedia
      where MediaId = @vMediaId;
     delete from tbl_MM_MediaMap
      where MediaId = @vMediaId;
     delete from tbl_MM_ArchiveMedia
      where MediaId = @vMediaId;
     delete from tbl_MM_Global_ArchiveMedia
      where MediaId = @vGlobalMediaId;
     delete from tbl_MM_Global_Media
      where MediaId = @vGlobalMediaId;
     delete from tbl_MM_Media
      where current of cur_label;
     commit transaction;
    end
    close cur_label
    deallocate cur_label
    -------------- END COPY HERE ----------------------
    8)  replace the tape label name parameter in the script with the name of the tape label from the over due tape report that you want to delete.
            set @paramTapeLabel = N'SAMPLE_TAPE_LABEL_NAME'      <--- replace tape label between the single quotes ' '
    9) Execute the SQL script.
    10)  Repeat steps 8. and 9. for each tape label that you want to delete.
    Regards, Mike J. [MSFT] This posting is provided "AS IS" with no warranties, and confers no rights.
    I am not sure if this would work and hence do remember to backup your DB before trying out database operations
    Thanks
    Samir

  • Tape Compression for Protection Groups Not Working

    Hi everyone,
    We've since started using DPM 2012 R2 to backup our systems. Everything is working except for tape compression. I've read some other discussions regarding similar issues, but none have been of any help to me.
    DPM (version 4.2.1254.0) is running on a physical server (HP BL460c G6) running Windows Server 2008 R2 Enterprise SP1. Microsoft SQL Server 2008 R2 is also running on the same machine providing the database for DPM. Other roles installed: Hyper-V, WDS,
    WSUS, IIS, and File Services. The tape drive is an HP StorageWorks SB1760c which is partnered to the blade server in a C3000 chassis. Tapes are LTO-4. Everything is fully patched from Windows Updates.
    The backup starts off fine, but because the tape drive is a not an auto-loader, the backup fails because it is waiting for a new tape to be inserted so it can complete the backup. If DPM would compress the data, it will all fit on the one tape.
    So far, I've:
    Reinstalled the operating system and all the server roles on it (twice!).
    Used HP's Library and Tape Tools to perform a tape compression test (which passes - the results did show that the data written during the test was compressed).
    Reviewed other similar discussions.
    None of which have been of any use. To start off, I would like to look at the logs produced during the backup to see if there is anything useful in them. Can someone please direct me to where they may be?
    Any help with this problem would be greatly appreciated. I quite like DPM over the competition, it's just this one problem causing me grief.

    Hi
    You can enable DPM Verbose logging, then manually start a tape backup of a datasource that is in a protection group that has tape compression option checked.  Once the backup starts writing data to the drive, you can open a command prompt and CD to
    the DPM log location and run the following command.
        Find /i "TapeInfo DriveAccessPath=" msdpm*.errlog
    It should show that the MTASetMedia command set the block size to 65536, and HWcompression to true on the drive we're writing to.
    [Example showing HWCompression was set to true]
    VERBOSE       <TapeInfo DriveAccessPath="\\.\Tape2147483645" PhysicalBlockSize="65536"
    HWCompression="true" xmlns="http://schemas.microsoft.com/2003/dls/MediaManager/StorageXMLSchema.xsd" />
    VERBOSE CMTATapeInfo::InitializeFromDOM => m_ssDrivePath = [\\.\Tape2147483645] m_dwPhysicalBlockSize = [65536]
    m_bHWCompression = [1]
    If you see that, then DPM did it's job and it's up to the tape drive to honor the request and compress data as written.
    If you keep the verbose logging on for the duration of the tape backup jobs, it should detail switching tapes as well, so you can take a look and see if you can figure out why we changed media when we did.  If you search for "EOM hit: 1" 
    that means we hit end of media.
    To enable full VERBOSE logging, under HKLM\Software\Microsoft\Microsoft Data Protection Manager, add a DWORD value named TraceLogLevel and set it to 0x43e, then stop and restart the msdpm and dpmra services.   The DPM log files will now contain
    MUCH MORE logging to help troubleshoot issues without requiring a DPM trace.
    DPM 2010 or upgrade to DPM 2012 the Logs are in the C:\program files\Microsoft DPM\DPM\temp folder
    DPM 2012 (clean install) logs are in the C:\program Files\System Center 2012\DPM\DPM\temp folder.
    After you reproduce the problem, be sure delete or rename the TraceLogLevel registry setting and restart the DPM services so normal (non-Verbose) logging resumes.
    SAMPLE OUTPUT DPM2012 SP1
    C:\Program Files\Microsoft DPM\DPM\Temp>find /i "tapeinfo" *.errlog
    ---------- DPMRA56.ERRLOG
    165C    0C80    06/14   16:32:26.771    05      defaultsubtask.cpp(527) [0000000000370750]      40292CEC-FBEE-4D6A-9763-031FB711A480    VERBOSE      
    <TapeInfo DriveAccessPath="\\.\Tape2147483645" PhysicalBlockSize="65536"
    HWCompression="true" xmlns="http://schemas.microsoft.com/2003/dls/MediaManager/StorageXMLSchema.xsd" />
    165C    0C80    06/14   16:32:26.771    29      mtastoragexml.cpp(28)   [0000000003F77AA0]      40292CEC-FBEE-4D6A-9763-031FB711A480   
    VERBOSE ==>CMTATapeInfo::CMTATapeInfo
    165C    0C80    06/14   16:32:26.771    29      mtastoragexml.cpp(28)   [0000000003F77AA0]      40292CEC-FBEE-4D6A-9763-031FB711A480   
    VERBOSE <--CMTATapeInfo::CMTATapeInfo
    165C    0C80    06/14   16:32:26.771    29      mtastoragexml.cpp(68)   [0000000003F77AA0]      40292CEC-FBEE-4D6A-9763-031FB711A480   
    VERBOSE CMTATapeInfo::InitializeFromDOM => m_ssDrivePath = [\\.\Tape2147483645] m_dwPhysicalBlockSize = [65536]
    m_bHWCompression = [1]
    165C    0C80    06/14   16:32:26.771    29      mtastoragexml.cpp(42)   [0000000001F2F340]      40292CEC-FBEE-4D6A-9763-031FB711A480   
    VERBOSE ==>CMTATapeInfo::~CMTATapeInfo
    165C    0C80    06/14   16:32:26.771    29      mtastoragexml.cpp(42)   [0000000001F2F340]      40292CEC-FBEE-4D6A-9763-031FB711A480   
    VERBOSE <--CMTATapeInfo::~CMTATapeInfo
    165C    0C80    06/14   16:32:26.771    29      mtastoragexml.cpp(42)   [0000000003F77AA0]      40292CEC-FBEE-4D6A-9763-031FB711A480   
    VERBOSE ==>CMTATapeInfo::~CMTATapeInfo
    165C    0C80    06/14   16:32:26.771    29      mtastoragexml.cpp(42)   [0000000003F77AA0]      40292CEC-FBEE-4D6A-9763-031FB711A480   
    VERBOSE <--CMTATapeInfo::~CMTATapeInfo
    ---------- MSDPMCURR.ERRLOG
    18DC    1B80    06/14   16:32:26.756    01      TaskInstance.cs(1034)           40292CEC-FBEE-4D6A-9763-031FB711A480   
    VERBOSE       <TapeInfo DriveAccessPath="\\.\Tape2147483645" PhysicalBlockSize="
    65536" HWCompression="true" xmlns="http://schemas.microsoft.com/2003/dls/MediaManager/StorageXMLSchema.xsd" />
    18DC    0574    06/14   16:32:26.756    04      cmdproc.cpp(2432)       [0000000003B8A470]      40292CEC-FBEE-4D6A-9763-031FB711A480   
    VERBOSE       <TapeInfo DriveAccessPath="\\.\Tape2147483645" PhysicalBlockSize="65536" HWCompression="true"
    xmlns="http://schemas.microsoft.com/2003/dls/MediaManager/StorageXMLSchema.xsd" />
    Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT] This
    posting is provided "AS IS" with no warranties, and confers no rights.

  • DPM 2012 SP1 - Single Data Source Written to Multiple Tape Drives

    Just a question, really...
    I know that DPM can write to multiple drives for a single protection group with more than one data source.
    However, is it possible for DPM 2012 SP1 (or R2) to write to multiple drives from a single data source from a single protection group?
    So if I have "DataSource A" in "MyProtectionGroup" and I allocate 2 tape drives to the PG, could DPM use both drives to backup the PG?
    I assume the answer is "no," but I just wanted to double check.  Thanks.

    Hi,
    What you are wanting is a feature called striping and DPM does not have that advanced feature.
    Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT]
    This posting is provided "AS IS" with no warranties, and confers no rights.

  • Why is DPM 2012 R2 splitting this Co-located Protection Group Set across three different tapes?

    I have 10 protection groups that ran Saturday night.  I have put information about them in the following table:
    I extracted the data in the table using Get-DPMProtectionGroup CmdLet and the job information from the Monitoring page of the DPM admin console.  As you can see from the tape barcode, DPM wrote the first four PGs to one tape, then started a second
    tape, and finally failed when starting a third because it had run out of free tapes.
    All of the protection groups are assigned to the same "Co-Located Protection Group Set" in the "Tape Optimization Setup" dialog box.
    Prior to the jobs running, I painstakingly ensured that each of the Protection Group's "Select Long-Term Goals" and "Select Library and Tape Details" screens are identical as follows:
    Prior to running the jobs I had already disabled autoclean on the tape library.
    I have checked to see if the tape drive is reporting IO error 0x8007045D using the method described in this blog post:
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    There seems to be no mention of 0x8007045D or -2147023779 in any of the MSDPM*.Errlog files.
    These are LTO6 tapes with a capacity of 2.5 TB each.  The total data for all the jobs put together is less than 300GB.
    Why is DPM 2012 R2 splitting these protection groups across three different tapes? 
    What else should I check for that might cause DPM to start a new tape?

    Hi Mike,
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    Full Verbose logging was enabled
    This technet article states that Full Verbose logging affects performance.  If the problem with collocation is caused by a race condition then it is
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    I propose I run the following tests to differentiate the two:
    Test #1 - Collocation Confirmation
    Repeat last weekend's test to confirm that successful collocation wasn't an anomaly.  Configuration:
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    Expiry Tolerance: 1 year
    Write Period: 1 year
    Test #2 - Logging Only
    Test to see whether enabling Full Verbose logging enabled collocation to succeed.  Configuration:
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    Expiry Tolerance: 7 days
    Write Period: 6 day
    Thanks for your help,
    Alex

  • Due times not aligned with Protection Group retention periods

    We have a customer running DPM 2012 and using disk and tape backup.
    There are 2 protection groups which have retention periods of 1 year and one with 5 year.
    In the tape report the following tapes are mentioned:
    4 tapes with a due date 1/2/2020
    4 tapes with a due date 1/2/2016
    And strange : 1 tape with a due date of 2/1/2018. This tape contains the protection for 2 servers using colocation for the so called Low and High group (1 year and 5 year which I mentioned previously).
    We can't explain the fact that the due date is on 2018 since we don't have a protection group with that retention parameter.
    Can anybody clarify with an example or assist?

    Plase put in this tape, make a rightclick and Show the "Tape Content"
    you should see which Datasource has which Retention range, maybe this helps.
    Seidl Michael | http://www.techguy.at | twitter.com/techguyat |
    facebook.com/techguyat |
    youtube.com/techguyat

  • Creating Protection Group Fails with Error:360 The operation failed due to a virtual disk service error

    Hello
    I'm setting up a DPM server (2012 R2) at a remote site; everything goes well with no issues until a protection group is created, at which point I get the following error;
    Create protection group: Protection Group 1 failed:
    Error 360: The operation failed due to a virtual disk service error
    Error details: The system cannot find the file specified
    Recommended action: Retry the operation.
    The environment is as follows;
    - Virtual Machine Running Server 2008 R2 Fully updated
    - Storage Pool is an iSCSI connection Thick Provisioned 1TB GPT and shows in Disk Management with no issues.
    - Have connected to Session 0 (console) 
    - Error log shows The provider did not receive a Plug and Play service notification for the volume. volume=10  for the VDS Dynamic Provider
    Can Anyone Help?
    Thanks
    .Adam Langdon

    Hi,
    Disk defrag is initiated when a volume shrink is attempted. See if there is any problem defragging a volume and correct any problems doing that.
    Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT]
    This posting is provided "AS IS" with no warranties, and confers no rights.

  • DPM 2012 R2 Console crashes with ID: 917 error when trying to modify a Tape only protection group

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    Hi,
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    Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT]
    This posting is provided "AS IS" with no warranties, and confers no rights.

  • DPM2012 R2 - cannot free tapes for deleted protection group

    I've deleted one of the protection group with option to delete protected data.
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    Hi,
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    Type ? for help
    DPM Server name ( Enter = <...> ):
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  • Moving protection groups to a new server - How do I move tape data?

    Hello, I am looking to install a new DPM server and decommission the existing DPM server. 
    I did read the Technet documentation on
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    Hi,
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    Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread. Regards, Mike J. [MSFT]
    This posting is provided "AS IS" with no warranties, and confers no rights.

  • Monthly Job for Protection group looks like it didn't run, but tape Recovery point exists.

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    I thought I'd save my speculation on the issue for a second post, so as not to distract from the actual problem description.  I can't help but wonder if it's a coincidence that this weekend was the DST switch... the job would have been scheduled well
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  • Deactivated imput-ready feature for a single line/cell

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    2) Copy the audio recording to a new name and open it in your editor.
    3) Highlight the left track and copy/paste it into the right track. Presto! Mono recording of the left track on both channels. Save the recording.
    4) Repeat, only copy/pasting the right track into the left track and save the second recording.

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