Results 1 to 7 of 7
  1. #1
    Member
    Join Date
    Aug 2012
    Posts
    69
    Thanks
    24
    Thanked 0 Times in 0 Posts

    Default Catalogue using two tapes

    Hi,

    Recently, our catalogue backups are consuming two LT05 tapes. I can't imagine that the catalogue is that big. Has anyone ever run into this issue?

    We are using Netbackup 7.1. 2 Drives. I even disabled a drive yet still, netbackup requires two volumes for backup.

    I'm new to netbackup and would appreciate any assistance you can provide.

  2. #2
    Member etchingsj's Avatar
    Join Date
    Feb 2008
    Location
    Lost Wages NV
    Posts
    243
    Thanks
    1
    Thanked 6 Times in 6 Posts

    Default

    How big is your catalog?
    Do you use catalog archiving?
    How long does the backup take and are you using inline backups?

  3. The Following User Says Thank You to etchingsj For This Useful Post:

    redplumptomato (02-04-2013)

  4. #3
    Member
    Join Date
    Aug 2012
    Posts
    69
    Thanks
    24
    Thanked 0 Times in 0 Posts

    Default

    the Catalogue backs up about 38GB. I notice that the first tape it mounts, it only writes 160MB. The next tape contains the rest of the catalogue.

    We don't use catalogue archiving. The backup on the first volume tapes a few seconds, the next volume is about 10 Minutes.

    Inline? I'm not sure. I'll have to check.

    Thanks so much for your response on this. Symantec is having a hard time figuring this out!

  5. #4
    Member etchingsj's Avatar
    Join Date
    Feb 2008
    Location
    Lost Wages NV
    Posts
    243
    Thanks
    1
    Thanked 6 Times in 6 Posts

    Default

    The inline function creates two copies on tape (or to any storage unit)
    This is helpful if you have a retention policy where one copy is kept onsite and one goes off to Iron Mountain (vault)
    The 160Mb could be the EMM staging.(
    staging/EMM_DATA.db)
    And the other is the catalog.

    This is common in NBU 6.5.3
    The fix if desired is as follows:
    Set up another storage unit specifically for the Catalog Backup.
    This storage unit should be set to only ONE maximum concurrent drive & should be applied to the policy(ies) that control your catalog backup(s).

    And .......bpdown and bpup to apply the change.

    I could confirm with a little info:
    Can you post or attach the following output?
    bppllist <policy_name> -U
    Do you have LTO compression applied too?
    What type of tape are we talking about?
    Last edited by etchingsj; 02-12-2013 at 11:04 AM.

  6. The Following User Says Thank You to etchingsj For This Useful Post:

    redplumptomato (02-12-2013)

  7. #5
    Member
    Join Date
    Aug 2012
    Posts
    69
    Thanks
    24
    Thanked 0 Times in 0 Posts

    Default

    Here is the output of bbllist.. Thanks again for helping.

    ------------------------------------------------------------


    Policy Name: RealLTO_Catalog


    Policy Type: NBU-Catalog
    Active: yes
    Effective date: 06/27/2011 11:28:23
    Mult. Data Streams: no
    Client Encrypt: no
    Checkpoint: no
    Policy Priority: 0
    Max Jobs/Policy: 1
    Disaster Recovery: 0
    Collect BMR info: no
    Residence: STU_LTO5
    Volume Pool: CatalogBackup
    Server Group: *ANY*
    Keyword: (none specified)
    Data Classification: -
    Residence is Storage Lifecycle Policy: no
    Application Discovery: no
    Discovery Lifetime: 28800 seconds


    Granular Restore Info: no
    Ignore Client Direct: no
    HW/OS/Client: PC Windows2008 netbackupprod1


    Include: CATALOG_DRIVEN_BACKUP


    Schedule: Full
    Type: Full Backup
    Frequency: every 1 day
    Maximum MPX: 1
    Synthetic: 0
    PFI Recovery: 0
    Retention Level: 0 (1 week)
    Number Copies: 1
    Fail on Error: 0
    Residence: (specific storage unit not required)
    Volume Pool: (same as policy volume pool)
    Server Group: (same as specified for policy)
    EXCLUDE DATE 0 - 02/09/2012
    Residence is Storage Lifecycle Policy: 0
    Daily Windows:
    Monday 11:00:00 --> Monday 13:00:00
    Tuesday 11:00:00 --> Tuesday 13:00:00
    Wednesday 11:00:00 --> Wednesday 13:00:00
    Thursday 11:00:00 --> Thursday 13:00:00
    Friday 11:00:00 --> Friday 13:00:00


    Catalog Disaster Recovery Configuration:
    Email Address: tdp_monitoring@otpp.com
    Disk Path: C:\Netbackup catalog recovery info
    User Name: (none specified)
    Pass Word: (none specified)
    Critical policy: (none specified)


    Do I enable LTO compression on the tape library itself, or, via Netbackup? I logged into our library and don't see any options for drive compression.

    LT05 Tapes are what we use.

    Also, I tried setting up a separate STU, with 1 concurrent drive, but, same issue. Netbackup loads one tape, writes about 160MB, than loads another. Strange thing is, sometimes, (about once a week) it only uses one tape! This thing is finicky!

  8. #6
    Member
    Join Date
    Aug 2012
    Posts
    69
    Thanks
    24
    Thanked 0 Times in 0 Posts

    Default

    Now that I mention it, when I added a new STU, I didn't bpdown and bpup. I'll try that now.

    However, I don't see this as being a concurrent drive issue, as it doesn't mount both tapes at the same time.

  9. #7
    Member
    Join Date
    Aug 2012
    Posts
    69
    Thanks
    24
    Thanked 0 Times in 0 Posts

    Default

    This issue was resolved. The issue was due to the tape cleaning flag being active for both drives. Our library handles tape cleaning so, to resolve this, we had to clear the flag and add a touch file. Here is the link to the fix:

    http://www.symantec.com/business/sup...t&id=TECH62699

    and here is how to disable the tape alert (windows)

    http://www.symantec.com/business/sup...t&id=TECH21624

Similar Threads

  1. migrate data from 3590 tapes to 3592 tapes
    By unixandtsm in forum Tape / Media Library
    Replies: 13
    Last Post: 09-05-2013, 10:38 AM
  2. Select to get the number of tapes needed to restore a node from offsite tapes
    By shanafin in forum Restore / Recovery Discussion
    Replies: 2
    Last Post: 08-06-2008, 05:54 PM
  3. Replies: 11
    Last Post: 05-14-2008, 10:36 AM
  4. 4mm tapes versus LTO3 / LTO4 tapes
    By o_q8 in forum Tape / Media Library
    Replies: 5
    Last Post: 04-01-2008, 10:52 AM
  5. Running out of scratch tapes, lots of database backup tapes.
    By ananke in forum Tape / Media Library
    Replies: 5
    Last Post: 04-04-2005, 10:25 AM

Tags for this Thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •