We can only get 60-80gig of data on a LTO tape using Arcserve 9. Have tried omniback and get over 170gig. All data is docs / xls etc. Have tested tape drive and all is fine. Any help would be greatly appreciated.
For stand alone drives, AS allows the user to disable / enable the compression on the device (right click on it). Make sure the compression is not off.
You can also turn on the tape engine debug, you will see a SCSI command called Mode Select that sets the compression. See if you get any Illegal Requests in the tape log either during initialization (right after starting the tape engine) or when playing with the compression.
cheers
TP
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