globalmedia Posted August 29, 2006 Report Share Posted August 29, 2006 I am currently running a tape backup (HP Ultrium 460) to a Windows Server, but the speed of the backup is extremely slow. I am only getting about a GB an hour and there is about 120 GB of files needed to be backed up every week. This backup is an in-house network backup. Would the speed of the backup increase if I use a USB 2.0 7200 rpm 320GB external HD? Link to comment Share on other sites More sharing options...
Mayoff Posted August 29, 2006 Report Share Posted August 29, 2006 An LTO tape drive should write data at about 500 MB/Min to 1 GB/Min. What version of Retrospect are you using? Do you have any other SCSI Devices on the computer? What version of Windows Server is this? I suspect a device communication problem is causing the slow speeds. Link to comment Share on other sites More sharing options...
globalmedia Posted August 29, 2006 Author Report Share Posted August 29, 2006 We are running Retrospect 6.5. Yes, we have SCSI Devices on the computer. After checking device manager there are the following SCSI Devices: * SCSI Controller (working properly) * Adaptec AIC-6X70 SCSI Controller (device cannot start, code 10) The tape deck is connected to the server by a SCSI Cable. We are running Windows 2000 w/ Service Pack 4. If it is a device communication problem that is causing slow speeds, do you suggest swapping cables? What is your opinion? Thank You Link to comment Share on other sites More sharing options...
Mayoff Posted August 29, 2006 Report Share Posted August 29, 2006 Change SCSI cables, Change terminators, maybe try the drive on another computer if possible. Make sure the SCSI card drivers are up to date also. Link to comment Share on other sites More sharing options...
JudMc Posted August 31, 2006 Report Share Posted August 31, 2006 Quote: Would the speed of the backup increase if I use a USB 2.0 7200 rpm 320GB external HD? I get about 900 MB/minute on my external HD. It varies according to what it is copying - 400MB/min to 1400 MB/min, but averages around 900. Link to comment Share on other sites More sharing options...
paleolith Posted September 2, 2006 Report Share Posted September 2, 2006 You refer to a network backup. What speed do you get backing up the local computer -- that is, backing up a disk that's directly attached to the Retrospect server rather than over the network? Edward Link to comment Share on other sites More sharing options...
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