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Nnable to mount Information Store in exchange 2003
Our exchange server ran out of disk space and shut itself down. We freed up some space by removing some old log files (making sure not to delete this weeks logs).
We then restarted the server and then found that the information stores were not mounted. When we tried to mount them we found that we were unable to. In the event log there was an error stating that it could not find a specific log file.
We were not sure whether this log file was one that we had deleted. We then read an article that said if you remove all log files from the MDBDATA folder and just leave the e00.chk, res1.log and res2.log and restart the exchange pieces then this may cure the problem.
This did not fix the problem. We have run the eseutil /mh command and get an error immediately saying -1022 JET_errDiskIO.
Can anyone give me some advice how we can resolve any of the issues. Obviously las resort is to go to my backup as it is a day old.
thanks
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by: kdagliPosted on 2009-04-23 at 08:04:42ID: 24215926
http://support.microsoft.c
Recovering from a -1022 Error
If Exchange asks the operating system for a page in the database, and an error occurs instead of the page data being returned, a -1022 error (JET_errDiskIO) results. The -1022 error is a generic error that appears whenever a disk input/output (I/O) problem prevents Exchange from gaining access to a requested page in the database.
The most common reason for a -1022 error is a database file that was severely damaged or truncated. If this issue occurs, Exchange requests a page number that is larger than the number of pages in the database file, and a -1022 error results. This issue can occur because of issues in the file system or because of improper transaction log replay.
Exchange 2000 contains extensive safeguards to prevent transaction log replay that might harm the database, but in Exchange Server 5.5 it was possible to play an incomplete set of log files and damage the database. For example, this issue might occur if replay should start from log 9, but instead replay is forced to start from log 10. Replay might be forced if an administrator deletes the checkpoint file and log 9. If a transaction in log 9 extends the size of the database, but log 9 is not played into the database, a reference in log 10 to the new pages that are added to the databases causes a -1022 error. Sudden crashes, stops (hanging), and access violations are also common symptoms of replaying an incomplete transaction log set into a database.
Understanding and troubleshooting the root cause of a -1022 error is more complex than troubleshooting for a -1018 or -1019 error. If the error is caused by database damage in the file system, you need to verify or repair the file system, and then restore Exchange from a backup. Although repairing the database is still an option, repair is less likely to be successful than with the other errors because a -1022 error often signals extensive damage.
By far the most common reason for a -1022 error with an undamaged database another application holding files open and preventing the Information Store service from accessing them. In such cases, you might also see -1032 errors (JET_errFileAccessDenied).
Third-party programs, such as virus scanners, might block Exchange access to Exchange data. Always configure file-level virus scanners to exclude Exchange data files from the file scanning operation. Several virus scanners are available that take advantage of the Exchange virus scanning application programming interface (API) to scan messages and attachments in the information store.
Check your hardware and i suspect, you might need to restore your last known good backup and roll forward the transaction log files to minimize the data loss.