sparky4460 Posted December 11, 2011 Report Share Posted December 11, 2011 (edited) I have been succesfully running many backups to my Buffalo Terastation NAS device. All of a sudden all of my backups are failing from multiple computers. The backup partially completes and then stops with the below error message. I can succesfully run a backup to a hard drive on my computer so I am only getting the error on the NAS. Log file: + Normal backup using CPG-Win7-64B at 12/10/2011 7:25 PM To Backup Set CPG-Win7-64B... - 12/10/2011 7:25:05 PM: Copying Local Disk (C:) Additional error information for Disk Backup Set member "1-CPG-Win7-64B", Can't write to file \\SPEEDYHD\Backup\CPG-Win7-64B\Retrospect\CPG-Win7-64B\1-CPG-Win7-64B\AA000099.rdb, error -1116 ( can't access network volume) Trouble writing: "1-CPG-Win7-64B" (2693713920), error -116 ( volume doesn't exist) Can't create session, error -1100 ( invalid handle) 12/10/2011 7:55:00 PM: Execution incomplete Remaining: 2246 files, 6.0 GB Completed: 101 files, 2.1 GB Performance: 95.6 MB/minute Duration: 00:30:08 (00:08:22 idle/loading/preparing) Can't save Backup Set CPG-Win7-64B, error -1100 ( invalid handle) Edited December 11, 2011 by sparky4460 Quote Link to comment Share on other sites More sharing options...
04254619-5320-4164-92ae-6339ca6048ea Posted December 12, 2011 Report Share Posted December 12, 2011 What file system does the Terastation have? Did any of the successful backups have more than 4Gb? Quote Link to comment Share on other sites More sharing options...
sparky4460 Posted December 12, 2011 Author Report Share Posted December 12, 2011 The Buffalo NAS drives use an XFS file system which they describe as NTFS "like". I have successfully completed backups that were over 35Gb. It should be noted that Retrospect 7.7 specifically states they support the Buffalo NAS products. Quote Link to comment Share on other sites More sharing options...
04254619-5320-4164-92ae-6339ca6048ea Posted December 13, 2011 Report Share Posted December 13, 2011 OK. That makes sense. What does your network probe/monitor says on the connection /traffic? Quote Link to comment Share on other sites More sharing options...
sparky4460 Posted December 13, 2011 Author Report Share Posted December 13, 2011 Frankly I have not been monitoring the network traffic. Remember I have been successfully using Retrospect for years backing up over a network. I recently changes to an NAS drive and again successfully ran many back-ups. The failures just started happening. But I am willing to look at the network traffic if you think it could be the root of the problem. What would you recommend to monitor the traffic and what would indicate a problem? Quote Link to comment Share on other sites More sharing options...
04254619-5320-4164-92ae-6339ca6048ea Posted December 14, 2011 Report Share Posted December 14, 2011 Depends on tour network layout. What do you have between the Retro server and the NAS? What else is attached to whatever is between them and is active during backups? Can you consistently copy a multiGb file from the Retro server to the NAS? Sorry too many options... Quote Link to comment Share on other sites More sharing options...
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