What bareos Version and what windows version are you using?

Bareos supports volume mount points, they are detected and also snapshotted.

See
http://doc.bareos.org/master/html/bareos-manual-main-reference.html#WindowsReparsePoints


On 18.01.2016 13:33, Дмитрий Огородников wrote:
> Hi All!
> 
> I’ve found something nasty that looks like a bug to me. As we know, Bareos 
> supports VSS technology on Windows. When backing up a partition mounted as a 
> drive with a letter (let’s say “D:/”), VSS works fine. However, if the 
> partition is mounted in the folder (“C:/mnt/lun0” in my case), we got errors.
> 
> Case 1.
>       FileSet {
>               Name = "03-fs"
>               Include {
>                       Options {
>                 Signature = MD5 # calculate md5 checksum per file
>                 OneFS = no
>                       }
>                       File = C:/mnt
>               }
>       }
> "File" picks the directory above the mountpoint, and we get this:
>       12-янв 10:20 vld-ahvsrv03-fd JobId 830: Generate VSS snapshots. 
> Driver="Win64 VSS", Drive(s)="C"
>       12-янв 10:21 vld-ahvsrv03-fd JobId 830: Fatal error: CreateSGenerate 
> VSS snapshots failed. ERR=The operation completed successfully.
>       12-янв 10:21 vld-ahvsrv03-fd JobId 830: Error: VSS API failure calling 
> "BackupComplete". ERR=Object is not initialized; called during restore or not 
> called in correct sequence.
>       12-янв 10:21 vld-ahvsrv03-fd JobId 830: Warning: VSS Writer "Shadow 
> Copy Optimization Writer" has invalid state. ERR=The writer vetoed the shadow 
> copy creation process during the freeze state.
>       12-янв 10:21 vld-testbkp01-sd JobId 830: Elapsed time=00:01:18, 
> Transfer rate=0  Bytes/second
> Doesn't work :(
> Also, there are errors about VSS in the Windows log.
> 
> Case 2.
> Let’s change these two lines in config:
>     #   OneFS = no
>     File = C:/mnt/lun0
> Now "File" picks the mountpoint exactly. We get this:
>       12-янв 10:24 vld-ahvsrv03-fd JobId 831: Fatal error: No drive letters 
> found for generating VSS snapshots.
>       12-янв 10:24 vld-ahvsrv03-fd JobId 831: Error: VSS API failure calling 
> "BackupComplete". ERR=Object is not initialized; called during restore or not 
> called in correct sequence.
>       12-янв 10:24 vld-ahvsrv03-fd JobId 831: Warning: VSS Writer "Shadow 
> Copy Optimization Writer" has invalid state. ERR=The writer vetoed the shadow 
> copy creation process during the freeze state.
>       12-янв 10:24 vld-testbkp01-sd JobId 831: Elapsed time=00:00:09, 
> Transfer rate=0  Bytes/second
> This doesn’t work either, but there are no errors in the Windows log.
> 
> Case 3.
> Now "File" picks a folder under the mountpoint:
>       File = C:/mnt/lun0/test
> The result is:
>       12-янв 10:28 vld-ahvsrv03-fd JobId 832: Generate VSS snapshots. 
> Driver="Win64 VSS", Drive(s)="C"
>       12-янв 10:28 vld-ahvsrv03-fd JobId 832: VolumeMountpoints are not 
> processed as onefs = yes.
>       12-янв 10:28 vld-ahvsrv03-fd JobId 832: VSS Writer (BackupComplete): 
> "Task Scheduler Writer", State: 0x1 (VSS_WS_STABLE)
>       <…>
>       12-янв 10:28 vld-ahvsrv03-fd JobId 832: VSS Writer (BackupComplete): 
> "Cluster Database", State: 0x1 (VSS_WS_STABLE)
>       12-янв 10:28 vld-testbkp01-sd JobId 832: Elapsed time=00:00:18, 
> Transfer rate=90  Bytes/second
> It works, but the log says «Driver="Win64 VSS", Drive(s)="C"». This is wrong 
> because “C:/” and “C:/mnt/lun0” are different partitions. So, I can’t be sure 
> that Bareos uses VSS on my partition (C:/mnt/lun0). Maybe it doesn’t.
> 
> I'm guessing the problem is related to the “get_win32_driveletters” function. 
> This function presumes every partition is mounted as "driveletter". In fact, 
> partition can be mounted as "foldername".
> 
> What do you think? Is it a bug, a feature, or normal by-design behavior?
> 


-- 
Mit freundlichen Grüßen

 Philipp Storz                             [email protected]
 Bareos GmbH & Co. KG                      Phone: +49 221 63 06 93-92
 http://www.bareos.com                     Fax:   +49 221 63 06 93-10

 Sitz der Gesellschaft: Köln | Amtsgericht Köln: HRA 29646
 Geschäftsführer: Stephan Dühr, M. Außendorf,
 J. Steffens, P. Storz, M. v. Wieringen

-- 
You received this message because you are subscribed to the Google Groups 
"bareos-users" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to [email protected].
To post to this group, send email to [email protected].
For more options, visit https://groups.google.com/d/optout.

Reply via email to