Yup, by contacting your partner or Symantec Sales rep you will need to ask them to run what is call a IBR (Install Base Report). This report WILL show everything.
If you need Symantec Sales number write back and I'll email it to you.
Ira,
Here are some helpful links that may shed some light on what is going on:
Disk staging:
http://seer.entsupport.symantec.com/docs/280398.htm
BLog entry:
https://www-secure.symantec.com/connect/forums/duplication-issue-status-190
Amit, For testing I would back rev the driver the one mentioned in the doc. Are these fiber attached drives. Fiber switch involved? or Direct SCSI connected? If SCSI check for bent pins/ terminator etc... You'll certainlly want to confirm cabling. H...