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Rapid growth of a Mailbox Database logs



Unicorn Meta Zoo #1: Why another podcast?
Announcing the arrival of Valued Associate #679: Cesar ManaraReducing Exchange Mailbox Sizes to Less Than Their Current Size?Change default calendar on Exchange-2010 mailboxExchange 2010 - Open Other User Mailbox Permissions IssueHow to troubleshoot a previous Exchange 2010 error with emails?Re-encode emails and auto-forward to a specific mailboxHow do I use Powershell to set Delegate permission on a mailbox?Exchange Mailbox Sharing IssuesEmails not displaying in outlook 2010 - Shared mailboxExchange - Access Mailbox Offline Mailbox Archive for User without PowerShellExchange - Multiple users send/rec from mailbox





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Recently, the Mailbox Database logs of a custumer's Exchange 2010 rapidly grew from nearly 0 GB to 50 GB, fullfilling the corresponding disk. This happened over night with no particular maintenance operation ongoing, in about 3 hours. No user was working at this time.



We had to activate circular logging for the disk space to be freed the next morning, to restore customer's mail flow.



We found nothing in the mail logs that could explain this issue. This is the second time it happened for this particular customer, and we really would like to understand why, all of a sudden, database logs are growing until disk saturation.
In a normal day, database logs would grow from 0 to about 15 GB, until the backup is performed and the logs are flushed.



What would be our options?










share|improve this question























  • I've voted to move this question over to our enterprise-grade site where this question is going to find a more specifically knowledgeable and experienced audience. Also, you may not have seen anything in the logs that YOU think was part of the issue, but you are the only one here who has seen the logs or has access to them. You'll need to find what IS in those logs and give us a synopsis, adding that information to the question itself.

    – music2myear
    11 hours ago


















0















Recently, the Mailbox Database logs of a custumer's Exchange 2010 rapidly grew from nearly 0 GB to 50 GB, fullfilling the corresponding disk. This happened over night with no particular maintenance operation ongoing, in about 3 hours. No user was working at this time.



We had to activate circular logging for the disk space to be freed the next morning, to restore customer's mail flow.



We found nothing in the mail logs that could explain this issue. This is the second time it happened for this particular customer, and we really would like to understand why, all of a sudden, database logs are growing until disk saturation.
In a normal day, database logs would grow from 0 to about 15 GB, until the backup is performed and the logs are flushed.



What would be our options?










share|improve this question























  • I've voted to move this question over to our enterprise-grade site where this question is going to find a more specifically knowledgeable and experienced audience. Also, you may not have seen anything in the logs that YOU think was part of the issue, but you are the only one here who has seen the logs or has access to them. You'll need to find what IS in those logs and give us a synopsis, adding that information to the question itself.

    – music2myear
    11 hours ago














0












0








0








Recently, the Mailbox Database logs of a custumer's Exchange 2010 rapidly grew from nearly 0 GB to 50 GB, fullfilling the corresponding disk. This happened over night with no particular maintenance operation ongoing, in about 3 hours. No user was working at this time.



We had to activate circular logging for the disk space to be freed the next morning, to restore customer's mail flow.



We found nothing in the mail logs that could explain this issue. This is the second time it happened for this particular customer, and we really would like to understand why, all of a sudden, database logs are growing until disk saturation.
In a normal day, database logs would grow from 0 to about 15 GB, until the backup is performed and the logs are flushed.



What would be our options?










share|improve this question














Recently, the Mailbox Database logs of a custumer's Exchange 2010 rapidly grew from nearly 0 GB to 50 GB, fullfilling the corresponding disk. This happened over night with no particular maintenance operation ongoing, in about 3 hours. No user was working at this time.



We had to activate circular logging for the disk space to be freed the next morning, to restore customer's mail flow.



We found nothing in the mail logs that could explain this issue. This is the second time it happened for this particular customer, and we really would like to understand why, all of a sudden, database logs are growing until disk saturation.
In a normal day, database logs would grow from 0 to about 15 GB, until the backup is performed and the logs are flushed.



What would be our options?







exchange-2010






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked 11 hours ago









MathMath

813




813













  • I've voted to move this question over to our enterprise-grade site where this question is going to find a more specifically knowledgeable and experienced audience. Also, you may not have seen anything in the logs that YOU think was part of the issue, but you are the only one here who has seen the logs or has access to them. You'll need to find what IS in those logs and give us a synopsis, adding that information to the question itself.

    – music2myear
    11 hours ago



















  • I've voted to move this question over to our enterprise-grade site where this question is going to find a more specifically knowledgeable and experienced audience. Also, you may not have seen anything in the logs that YOU think was part of the issue, but you are the only one here who has seen the logs or has access to them. You'll need to find what IS in those logs and give us a synopsis, adding that information to the question itself.

    – music2myear
    11 hours ago

















I've voted to move this question over to our enterprise-grade site where this question is going to find a more specifically knowledgeable and experienced audience. Also, you may not have seen anything in the logs that YOU think was part of the issue, but you are the only one here who has seen the logs or has access to them. You'll need to find what IS in those logs and give us a synopsis, adding that information to the question itself.

– music2myear
11 hours ago





I've voted to move this question over to our enterprise-grade site where this question is going to find a more specifically knowledgeable and experienced audience. Also, you may not have seen anything in the logs that YOU think was part of the issue, but you are the only one here who has seen the logs or has access to them. You'll need to find what IS in those logs and give us a synopsis, adding that information to the question itself.

– music2myear
11 hours ago










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