EXchange 2010

I am running exchange 2010 with 9000 users .I have DAG environment, and running 9 mail box servers, having database copies
out of that 4 are experiencing :

The database copy is low on log volume space. The volume has reached warning levels

I am having regular back ups running.

what are the parameters need to be checked on affected server.

I read somewhere LogTruncationExtendedPreservation registry entry has been set to a high value
what can also be taken care of to prevent this
pramod1Asked:
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Amit KumarCommented:
Hi,

Please follow this article. I know you have read this article so you can check registry LogTruncationExtendedPreservation which should be default as suggested by MS.

Now you need to check other things, you have multiple copies can you check if any of server having queue length as you are taking full backup so logs should be truncated but not truncating so this symptom can be caused by queue length in DB copies. DAG never purge logs even after completing backup if any DB Copy on any server has a queue length.

Check by below command:

Get-MailboxDatabase | Get-MailboxDatabaseCopyStatus

if possible paste your results here and queue length for all healthy copy should be 0...
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HariomExchange ExpertsCommented:
How much space is available on Log Drive , is sufficient space available on Log drive ?

If sufficient space is available than you can refer following article to change the warning threshold to below 10%

20% free – warning (was 50%)
10% free – error (was 35%)
5% free – critical (was 15%)

http://letsexchange.blogspot.in/2012/09/exchange-2010-sp1-added-new-script.html
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pramod1Author Commented:
where should I check the log drive
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pramod1Author Commented:
where should I check the database and log volume
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Amit KumarCommented:
Open powershell then run below command:

get-mailboxdatabase <DBname> | select * | export-csv dbdetails.csv

DB details will be saved in a csv file where you can see edb path and log path. that will be your DB and log volume.
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