Exchange unable to Mount database hr=0x80004005 ec=-1213

When we attempt to mount our database we are getting the following error.
Microsoft Exchange Error
Failed to mount database 'Mailbox Database'.

Mailbox Database
Exchange is unable to mount the database that you specified. Specified database: TEMPSERVER\First Storage Group\Mailbox Database; Error code: MapiExceptionCallFailed: Unable to mount database. (hr=0x80004005, ec=-1213)
Tried to run eseutil /mh and got the following error.
Initiating FILE DUMP mode...
Error: Access to source database 'Mailbox database.edb' failed with Jet error -1
Operation terminated with error -1022 (JET_errDiskIO, Disk IO error) after 0.16

Moved the database to a different location and still got the same error message.
Information store is running and database is not mounted.
Who is Participating?
Seth SimmonsConnect With a Mentor Sr. Systems AdministratorCommented: you have a good backup?
have you checked to make sure the file system itself is clean?
Seth SimmonsSr. Systems AdministratorCommented:
what version of exchange and what lead up to this issue occurring?
WGTech-JAuthor Commented:
I suppose that would be important.
It is Exchange 2007 running on Server 2008 and Power outage.
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WGTech-JAuthor Commented:
Not sure - backup drive is not available.
Currently running CHKDSK on drive to make sure.
WGTech-JAuthor Commented:
chkdsk didn't return any errors and same error exist when running esentutl /mh
FWIW 2 other storage groups are mounted OK
Not sure if it matters but error occurs after 0.0 seconds
Senthil KumarCommented:
Did u restore or copy the database from another media. If so right click on the database from EMC and go to properties and make sure  "This database can be over written by restore" option is checked.
Please find enclosed step by step Exchange Database Recovery which may help you.
WGTech-JAuthor Commented:
Database was corrupt and had to restore from backup.
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