Slow Restores on Backup Exec 12.5 (Backups fine)

I've been having a problem performing a file restore on Backup Exec 12.5 SP3, with an HP LTO-1 1/8 autoloader.  Consistently, the backups run at over 900 MB/minute, which is around where LTO-1 is supposed to be, I believe.  However, I've been trying to restore some files, and the restore rate is around 1 MB/minute, with multiple errors during the process.  If I let it finish, it will succeed in restoring the files, though.  I've seen others questions on here relating to this, but not in the restore process.

So far, I've taken many steps.  This is all running on a HP DL360 G3 and Windows 2003 32-bit, with an LSI SCSI card provided by HP.  I've kept this server up to date with the most recent support packs, and I've even updated the drivers for the card from LSI.  This hardware has remained the same since we first put the server in to use, nearly five years ago, and I've always been able to perform restores previously at an acceptable rate.  I also tried uninstalling BE and reinstalling.

Here are some of the errors.
Within BE, I will get the following every 10-20 minutes:
The driver detected a controller error on \Device\RaidPort1.

In the server app log, I'll get these:
Event Type:      Error
Event Source:      Backup Exec
Event Category:      Devices
Event ID:      33152
Date:            04/06/2010
Time:            11:20:39 AM
User:            N/A
Computer:      xx
Description:
Adamm Mover Error: DeviceIo: 04:00:05:00 - Device error 1117 on "\\.\Tape0", SCSI cmd 08, 138 total errors

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Event Type:      Error
Event Source:      Backup Exec
Event Category:      Devices
Event ID:      33152
Date:            04/06/2010
Time:            11:13:29 AM
User:            N/A
Computer:      xx
Description:
Adamm Mover Error: DeviceIo: 00:00:05:00 - Retry Logic: Original settings restored on device: HP       Ultrium 1-SCSI  

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Event Type:      Error
Event Source:      Backup Exec
Event Category:      Devices
Event ID:      33152
Date:            04/06/2010
Time:            11:13:29 AM
User:            N/A
Computer:      xx
Description:
Adamm Mover Error: DeviceIo: 04:00:05:00 - Refresh handle on "\\.\Tape0", SCSI cmd 00, new handle 62c, error 1117

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Event Type:      Error
Event Source:      Backup Exec
Event Category:      Devices
Event ID:      33152
Date:            04/06/2010
Time:            11:13:29 AM
User:            N/A
Computer:      xx
Description:
Adamm Mover Error: DeviceIo: 00:00:05:00 - Retry Logic: Retry logic was engaged on device: HP       Ultrium 1-SCSI  

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And these in the system log:
Event Type:      Warning
Event Source:      Lsi_scsi
Event Category:      None
Event ID:      129
Date:            04/06/2010
Time:            11:07:58 AM
User:            N/A
Computer:      xx
Description:
Reset to device, \Device\RaidPort1, was issued.

Event Type:      Error
Event Source:      Lsi_scsi
Event Category:      None
Event ID:      11
Date:            04/06/2010
Time:            11:08:28 AM
User:            N/A
Computer:      xx
Description:
The driver detected a controller error on \Device\RaidPort1.

Event Type:      Error
Event Source:      Storage Agents
Event Category:      Events
Event ID:      1192
Date:            04/06/2010
Time:            11:20:14 AM
User:            N/A
Computer:      xx
Description:
SCSI Tape Drive Status Change.
The tape drive with SCSI target 5 connected to SCSI bus 2 of the controller in slot 1 has a new status of 5.
(Tape drive status values: 1=other, 2=ok, 3=failed, 5=offline, 6=missingWasOk, 7=missingWasFailed, 8=missingWasOffline)
[SNMP TRAP: 5019 in CPQSCSI.MIB]

Event Type:      Information
Event Source:      Storage Agents
Event Category:      Events
Event ID:      1192
Date:            04/06/2010
Time:            11:22:15 AM
User:            N/A
Computer:      xx
Description:
SCSI Tape Drive Status Change.
The tape drive with SCSI target 5 connected to SCSI bus 2 of the controller in slot 1 has a new status of 2.
(Tape drive status values: 1=other, 2=ok, 3=failed, 5=offline, 6=missingWasOk, 7=missingWasFailed, 8=missingWasOffline)
[SNMP TRAP: 5019 in CPQSCSI.MIB]


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thaugAsked:
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dmwynneCommented:
Have you swapped out the scsi cable or card?  
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thaugAuthor Commented:
Not yet.  I was hoping to avoid that if possible.  I have checked the cable and also did a full power down of all of the related equipment.
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dmwynneCommented:
Verify you have the latest drivers for drive and loader and also verify they are using symatec drivers.  You could also try reoving the device and readding to backupexec.
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thaugAuthor Commented:
I removed the drive an changer from BE, then added it back, but still no change.  I also loaded the latest BE driver package.

It seems to have a big burst at the start of the job, and then trickles out slowly afterward.
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thaugAuthor Commented:
Just as an update, this problem still exists.  However, I've ordered a new SCSI card and will attempt to install it in this server and see if it makes a difference.  I also have another server I can try.
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thaugAuthor Commented:
After some delay, I was able to finally insert a new SCSI card and it now works at the speeds I would expect.  Thanks for your help.
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thaugAuthor Commented:
Actually, I may have spoke too soon.  I had done a restore job of a good size and it worked perfectly.  I just fired up another job, and now I'm starting to get some of the same error messages.  I'll wait till this job is complete before I report back on any more problems.
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