Exchange2010 backup is failing
We have the following setup
1. Exchange2010 is in DAG and it has 2 nodes.
2. On the 1st node I have BE2012sp1a installed and remote agent on 2nd node
3. the backup goes to dedup folder and it has setting of "The Microsoft Exchange backup was made from the active copy of the database on server"
4. the job is failing with this error
0xe0000393 - Cannot extract mailbox messages from the Exchange backup. Review the job log for more information
Backup- \\abcd-DAG.service.xyz.com\Microsoft Information Store\MAR5DB01 V-79-57344-915 - Unable to complete the operation. The following error was returned when opening the Exchange Database file: '-1022 There is a disk IO error. '
5. Please assist as I am not able to find any article related to this error.