Acronis True Image Server Echo v9.7.0.8353 with Tape IO error.

Here is notification from server. Thanks so much.

"1 Information 9/23/2011 6:00:03 PM The "Backup full daily" operation started
2 Information 9/23/2011 6:00:04 PM Analyzing partition 0-0...
3 Information 9/23/2011 6:00:05 PM Analyzing partition C:...
4 Information 9/23/2011 6:00:05 PM Analyzing partition D:...
5 Warning! 9/23/2011 6:00:05 PM Priority changed to High priority
6 Information 9/23/2011 6:00:05 PM Analyzing partition C:...
7 Information 9/23/2011 6:00:05 PM Analyzing partition D:...
8 Information 9/23/2011 6:00:06 PM Create Full Backup Archive From: Disk 1 To: Tape Drive (IBM HH LTO Gen 3) Compression: Normal Exclude: Hidden files, System files, Files matching mask Match criterion: *.bak, *.~, *.tmp; ... Ask before tape overwriting: No
9 Information 9/23/2011 6:00:06 PM Pending operation 138 started: "Creating partition image"
10 Information 9/23/2011 6:00:06 PM Locking partition C:...
11 Information 9/23/2011 6:00:54 PM
12 Information 9/23/2011 6:00:54 PM The request could not be performed because of an I/O device error
code="2147943517"
13 Error 9/23/2011 6:00:54 PM Error seeking in the file.

A possible reason may be poor media quality.

Please press Retry to continue with Volume 1 or press Cancel to cancel the operation.: Retry/Cancel
14 Information 9/27/2011 8:18:54 AM Error seeking in the file.

A possible reason may be poor media quality.

Please press Retry to continue with Volume 1 or press Cancel to cancel the operation.: Retry/Cancel: User replied: Cancel
15 Error 9/27/2011 8:18:56 AM Failed to write data to the archive file.
A possible reason might be poor media quality. : None
16 Information 9/27/2011 8:18:57 AM Failed to write data to the archive file.
A possible reason might be poor media quality. : None: User replied: oK
17 Error 9/27/2011 8:18:57 AM Operation with partition "0-0" was terminated.
Details:
Write error (0x70004)
Tag = 0x9D2DE1F088CBC4D6
Error seeking in the file. (0x40005)
Tag = 0xC41DEFBA28F4D05E
The request could not be performed because of an I/O device error (0xFFF0)
code = 8007045D)
Tag = 0xBD28FDBD64EDB8AF
18 Error 9/27/2011 8:18:57 AM Operation has completed with errors."