I asked again and was told, flat out, by an escalation engineer that "this
should not happen". So...you should be safe to open a case and request a
non-dec. Ensure that the problem description is not just to "get you back up
and running" but also "resolve this so it doesn't happen in the future".
The second recommendation for resolution from an Exchange MVP is the below.
I've also done it when just the backup didn't work:
Now we installed a second server, formed a DAG of these two server.
Problem: Initial Seeding started, copied the database and then stops with an
error.
Error: "The required log file 5337 for <dbname> is missing on the active copy.
If you removed the log file, please replace it. If the log file is lost, the
database copy will need to be reseeded using Update-MailboxDatabaseCopy."
I checked the source and the log is NOT there. I took the Database offline to
check the last Backup with ESEUTIL
Previous Full Backup:
Log Gen: 5339-5340 (0x14db-0x14dc) - OSSnapshot
Mark: (0x14DD,8,16)
Mark: 02/17/2011 04:00:36
And that's, what I see in the source directory, all logs from 5339 and higher
as expected.
So why needs Exchange an older log ?.
I fixed that by:
1. Dismounting the database
2. Checking, that it was "clean shutdown"
3. Removing all logs
4. Start the database
5. Store starts with a new log 0000001-generation
6. Reseeding was fine then.
Regards,
Michael B. Smith
Consultant and Exchange MVP
http://TheEssentialExchange.com
From: Sobey, Richard A [mailto:r.so...@imperial.ac.uk]
Sent: Friday, May 13, 2011 6:35 AM
To: MS-Exchange Admin Issues
Subject: RE: Log files missing during reseed
Full backup ran this morning and still getting the same issue (logs were
definitely truncated). If I've got any free PSS calls left over from a Technet
subscription I'll open a case, this is really infuriating. Unless you don't
think we'll be charged :)
Richard
From: bounce-9334479-8066...@lyris.sunbelt-software.com
[mailto:bounce-9334479-8066...@lyris.sunbelt-software.com] On Behalf Of Sobey,
Richard A
Sent: 13 May 2011 06:33
To: MS-Exchange Admin Issues
Subject: RE: Log files missing during reseed
Can you perform a reseed after an incremental backup or MUST it be a Full?
From: bounce-9334284-8066...@lyris.sunbelt-software.com
[mailto:bounce-9334284-8066...@lyris.sunbelt-software.com] On Behalf Of Michael
B. Smith
Sent: 12 May 2011 22:29
To: MS-Exchange Admin Issues
Subject: RE: Log files missing during reseed
This GENERALLY means that the last full back up of the database didn't purge
logfiles, for whatever reason. That would be the first thing I check.
According to MSFT, this "should never happen" and they recommend you open a
case. In my experience, it's pretty common, and most people don't want to waste
the time to open a case.
Regards,
Michael B. Smith
Consultant and Exchange MVP
http://TheEssentialExchange.com
From: Sobey, Richard A [mailto:r.so...@imperial.ac.uk]
Sent: Thursday, May 12, 2011 3:38 PM
To: MS-Exchange Admin Issues
Subject: Log files missing during reseed
Hi all,
I'm trying to add a mailbox database copy to an Exchange 2010 SP1 server. I'm
getting an error "Required log XXXXX is missing from the active copy". Verbatim
(but different server names):
The required log file 4906 for FLMBXDB2\FTP-MAIL is missing on the active copy.
If you removed the log file, please replace it. If the log file is lost, the
database copy will need to be reseeded using Update-MailboxDatabaseCopy.
All the solutions I've found so far indicate that I'm going to have to dismount
the database, delete all unneeded log files, and then start it again. How can
this be a solution? Whatever happened to Microsoft's notion of adding high
availability after everything's configured, if I still need downtime?!
Anyway, is there a more logical solution for this? Or, can someone help me
understand why this is necessary?
Thanks :)
Richard
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