On 1/14/2020 12:30 AM, Stefan Melber wrote:
Hi Bacula-Users,
i use a setup with two disks based on autochanger to save my backups -
see configuration below. The changing between the two disks for
different jobs works fine, but in the case during a backup one disk
gets full, the backup fails because it does not change the disk in
this case.
So in my case, backup61which points on FileStorageRAID-Dev0 fills the
disk up. Then bacula mounts a new volume (backup62), but instead of
using FileStorageRAID-Dev1 is still uses (the full)
FileStorageRAID-Dev0 which then fails because of disk full:
Yes. Bacula assigns a Device, in this case FileStorageRAID-Dev0, to the
job at startup. The Device assigned to the job can never change, once
assigned. I'm not sure why this is the case, but it is by design,
perhaps to prevent race conditions when asynchronous jobs are vying for
drives and volumes.
I'm not sure what happens when the same volume shows up in two different
places, but it might be possible to create a symlink in RAID/BACKUP_RAID
pointing to a volume file in RAID3/BACKUP_RAID.
You could put both disk partitions in a LVM volume group and a single
LV. The LV's single mountpoint would then be used as the ArchiveDevice
for all of the Autochanger's Devices.
Alternatively, you can use vchanger which treats all mountpoints as one
large "tape" library and so allows any volume file in any mountpoint to
be loaded into any of its drives (ie. associated Device resources).
There are some trade-offs, such as vchanger doesn't support
auto-labeling, so volumes must be manually added like when using a tape
autoloader, but it does support barcode simulation, so creating and
labeling volumes is not too onerous.
13-Jan 20:19 NASBox-dir JobId 153: Volume used once. Marking Volume
"backup0061" as Used.
13-Jan 20:25 NASBox-dir JobId 153: Volume used once. Marking Volume
"backup0061" as Used.
13-Jan 20:25 NASBox-sd JobId 153:*End of Volume "backup0061" at 3222547279824 on device
"FileStorageRAID-Dev0" (/RAID/BACKUP_RAID). Write of 64512 bytes got -1.*
13-Jan 20:25 NASBox-sd JobId 153: End of medium on Volume "backup0061"
Bytes=3,222,547,279,824 Blocks=49,952,680 at 13-Jan-2020 20:25.
13-Jan 20:25 NASBox-dir JobId 153: Created new Volume="backup0062", Pool="FileRAID",
MediaType="FileRAID" in catalog.
13-Jan 20:25 NASBox-sd JobId 153: Labeled new Volume "backup0062" on File device
"*FileStorageRAID-Dev0*" (/RAID/BACKUP_RAID).
13-Jan 20:25 NASBox-sd JobId 153: Wrote label to prelabeled Volume "backup0062" on File
device "FileStorageRAID-Dev0" (/RAID/BACKUP_RAID)
13-Jan 20:25 NASBox-dir JobId 153: Volume used once. Marking Volume
"backup0062" as Used.
13-Jan 20:25 NASBox-sd JobId 153: New volume "backup0062" mounted on device
"FileStorageRAID-Dev0" (/RAID/BACKUP_RAID) at 13-Jan-2020 20:25.
13-Jan 20:27 NASBox-sd JobId 153: Fatal error: Out of freespace caused End of Volume
"backup0062" at 774595809 on device "FileStorageRAID-Dev0" (/RAID/BACKUP_RAID).
Write of 64512 bytes got -1.
13-Jan 20:27 bsastf670-fd JobId 153: Error: bsock.c:646 Write error sending
65540 bytes to Storage daemon:NASBox:9103: ERR=Connection reset by peer
13-Jan 20:27 NASBox-sd JobId 153: Elapsed time=13:41:01, Transfer rate=65.38 M
Bytes/second
13-Jan 20:27 bsastf670-fd JobId 153: Fatal error: backup.c:842 Network send
error to SD. ERR=Connection reset by peer
13-Jan 20:27 bsastf670-fd JobId 153: Error: bsock.c:536 Socket has errors=1 on
call to Storage daemon:NASBox:9103
13-Jan 20:28 NASBox-dir JobId 153: Error: Bacula NASBox-dir 9.0.6 (20Nov17):
How can i prevent this and give bacula a hint to change to the free disk?
Best regards,
Stefan
Autochanger {
Name = FileStorageRAID
Device = FileStorageRAID-Dev0, FileStorageRAID-Dev1
Changer Command = /dev/null
Changer Device = /dev/null
}
Device {
Name = FileStorageRAID-Dev0
Media Type = FileRAID
Archive Device = /RAID/BACKUP_RAID
LabelMedia = yes
Random Access = yes
AutomaticMount = yes
RemovableMedia = no
AlwaysOpen = no
Maximum Concurrent Jobs = 5
Autochanger = yes
Drive Index = 0
}
Device {
Name = FileStorageRAID-Dev1
Media Type = FileRAID
Archive Device = /RAID3/BACKUP_RAID
LabelMedia = yes
Random Access = yes
AutomaticMount = yes
RemovableMedia = no
AlwaysOpen = no
Maximum Concurrent Jobs = 5
Autochanger = yes
Drive Index = 1
}
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