"Access denied and -1022 There is a disk IO error" occurs when running a Microsoft Exchange 2003 or 2007 GRT (Granular Restore Technology) Backup to a Data Domain Appliance Series Device.

  • Article ID:100018408
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Problem

"Access denied and -1022 There is a disk IO error" occurs when running a Microsoft Exchange 2003 or 2007 GRT (Granular Restore Technology) Backup to a Data Domain Appliance Series Device.

Error Message

Unable to complete the operation for the selected resource using the specified options. The following error was returned when opening the Exchange Database file: '-1022 There is a disk IO error. '

Cause


When browsing the GRT selections, Backup Exec loads up the database into memory which includes all associated log files.  If there are more than 128 log files in the IMG folder associated with the database backup, the above error will be seen.  This is because Data Domain appliances running DDOS version 4.5.or older, have a limit of 128 open files at one time.  When the error listed above occurs, review how many log files are being backed up with the Information Store to determine if the total exceeds 128 files, to confirm why the backup failure is occurring.

 

Solution

This issue has been resolved in Data Domain's DDOS software update version 4.6. Please contact Data Domain at 877-207-3282 for information about how to obtain this update.

Work Around:

1. Send the GRT job to another target backup device.
2. Run a non-GRT Backup to reduce/flush the logs and then immediately after the non-GRT backup completes, run a GRT job to the Data Domain Device.



Applies To

Issue:

When backing up Exchange or other agents that support the Granular Restore Technology, the job may fail with an "Access Denied" error when directed to a Data Domain Device.  For more information on this device, review the specification sheet PDF listed in the link below:

https://www.datadomain.com/pdf/DataDomain-AppSeries-Datasheet.pdf.
 

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