Exchange 2010 VSS Backing up Passive DB's from a DAG Log Files are not Truncating

Posted on 2012-09-07
Last Modified: 2012-09-07
Have Exchange 2010 MB1 (Active) MB2 (Passive)  Using EMC Avamar Exchange 2010 VSS Plug-in and successful backups of (Passive-DB's) are happening but Exchange Log Files are not being Truncated.
Question by:999
    LVL 52

    Expert Comment

    by:Manpreet SIngh Khatra
    Do you have any Lag configured as well ?
    Hope no issues with DAG copy and replay ?
    DO you mean that after backup logs arent purged right away or arent purged at all ?

    - Rancy

    Author Comment

    We do have a 3rd serevr at DR site (MB3) I think that is part of the DAG MB1 has all the active DB's and we backup VSS MB2 which is the passive copies.

    As per the attached file it says they Log file Trucation will occur on the active copy after the next log generation is created and Log File Truncation will occur automatically on passive copies after that log file is copied.   This full backup finished 10 hours ago?  There are about 275,000 log files entries going back to July..

    LVL 52

    Accepted Solution

    Look ideally with Exchange this doesnt happen as i work with DAG and LAG at the same time ...... now you have a 3rd party and i guess the replication services isnt able to inform the Active Replication service as if the Log is copied to the DR DAG and so till that time the log will never truncate :(

    Now is the 3rd copy a DAG or LAG ??
    Is it possible to remove the DR server from one DB copy and try with backup on it and test ..... remember that once you remove the DR server from the Database copy  .... I would recommend you to Suspend the current Copy status on all DB's and the Restart the Replication service and then Resume all and then take a backup of that specific DB and check.

    - Rancy

    Author Closing Comment

    Thanks Rancy that sorts

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