Hi,
I have a Job that I want to use data spooling with. The Job reads from a
locally-mounted NFS share, and writes to an LTO-4 tape. Since writing to
tape will be faster than reading over the network, I want to spool the data
locally. However, when I run the job, it terminates with an error that it
cannot write to the spool directory.
Here is a message log from a job run that fails:
18-Jun 03:18 pacific-dir JobId 32: Start Backup JobId 32,
Job=SynologyTest.2020-06-18_03.18.31_03
18-Jun 03:18 pacific-dir JobId 32: Using Device "LTO-4" to write.
18-Jun 03:18 pacific-sd JobId 32: No slot defined in catalog (slot=0) for
Volume "Vol-A-0001" on "LTO-4" (/dev/nst0).
18-Jun 03:18 pacific-sd JobId 32: Cartridge change or "update slots" may be
required.
18-Jun 03:18 pacific-sd JobId 32: Volume "Vol-A-0001" previously written,
moving to end of data.
18-Jun 03:18 pacific-sd JobId 32: Ready to append to end of Volume
"Vol-A-0001" at file=2.
18-Jun 03:18 pacific-sd JobId 32: Fatal error: Open data spool file
/scratch/spool/pacific-sd.data.32.SynologyTest.2020-06-18_03.18.31_03.LTO-4.spool
failed: ERR=Permission denied
18-Jun 03:18 pacific-sd JobId 32: Fatal error: append.c:124 Write session
label failed. ERR=
18-Jun 03:18 pacific-sd JobId 32: Elapsed time=00:00:01, Transfer rate=0
Bytes/second
18-Jun 03:18 pacific-fd JobId 32: Error: bsock.c:649 Write error sending
137 bytes to Storage daemon:127.0.0.1:9103: ERR=Broken pipe
18-Jun 03:18 pacific-fd JobId 32: Fatal error: backup.c:1028 Network send
error to SD. ERR=Broken pipe
18-Jun 03:18 pacific-fd JobId 32: Error: bsock.c:537 Socket has errors=1 on
call to Storage daemon:127.0.0.1:9103
18-Jun 03:18 pacific-fd JobId 32: Error: bsock.c:537 Socket has errors=1 on
call to Storage daemon:127.0.0.1:9103
18-Jun 03:18 pacific-dir JobId 32: Error: Bacula pacific-dir 9.0.6
(20Nov17):
Build OS: x86_64-pc-linux-gnu ubuntu 18.04
JobId: 32
Job: SynologyTest.2020-06-18_03.18.31_03
Backup Level: Incremental, since=2020-06-18 02:08:02
Client: "pacific-fd" 9.0.6 (20Nov17)
x86_64-pc-linux-gnu,ubuntu,18.04
FileSet: "SynologyTestFileSet" 2020-06-17 23:05:00
Pool: "TapePool" (From Job resource)
Catalog: "MyCatalog" (From Client resource)
Storage: "LTO-4" (From Job resource)
Scheduled time: 18-Jun-2020 03:18:29
Start time: 18-Jun-2020 03:18:33
End time: 18-Jun-2020 03:18:51
Elapsed time: 18 secs
Priority: 10
FD Files Written: 1
SD Files Written: 0
FD Bytes Written: 0 (0 B)
SD Bytes Written: 0 (0 B)
Rate: 0.0 KB/s
Software Compression: None
Comm Line Compression: None
Snapshot/VSS: no
Encryption: no
Accurate: no
Volume name(s):
Volume Session Id: 1
Volume Session Time: 1592450219
Last Volume Bytes: 391,523,328 (391.5 MB)
Non-fatal FD errors: 3
SD Errors: 1
FD termination status: Error
SD termination status: Error
Termination: *** Backup Error ***
Here is the device configuration from bacula-sd.conf:
Device {
Name = LTO-4
Media Type = LTO-4
Archive Device = /dev/nst0
AutomaticMount = yes;
AlwaysOpen = yes;
RemovableMedia = yes;
RandomAccess = no;
Maximum File Size = 10GB
AutoChanger = yes
Maximum Spool Size = 1000GB
Spool Directory = "/scratch/spool"
}
Here are the JobDefs and Job from the director:
JobDefs {
Name = "DefaultJob"
Type = Backup
Level = Incremental
Client = pacific-fd
FileSet = "Full Set"
Schedule = "WeeklyCycle"
Storage = File1
Messages = Standard
Pool = File
SpoolAttributes = yes
Priority = 10
Write Bootstrap = "/var/lib/bacula/%c.bsr"
}
Job {
Name = "SynologyTest"
JobDefs = "DefaultJob"
FileSet = "SynologyTestFileSet"
Storage = LTO-4
Pool = TapePool
SpoolData = yes
}
The spool directory is configured to use /scratch/spool and /spool is a
RAID0 array. The array is mounted as read-write:
root@pacific:/etc/bacula# mount | grep scratch
/dev/md127p1 on /scratch type ext4 (rw,relatime,stripe=384,data=ordered)
The spool directory is owned by bacula (and permissioned to allow write by
all for troubleshooting):
root@pacific:/etc/bacula# ls -lsa /scratch/
total 28
4 drw------- 4 bacula bacula 4096 Jun 18 01:55 .
4 drwxr-xr-x 26 root root 4096 Jun 18 01:55 ..
16 drwx------ 2 root root 16384 Jun 17 19:45 lost+found
4 drwxrwxrwx 2 bacula bacula 4096 Jun 18 03:03 spool
Can someone point out where I am going wrong here? Perhaps this isn't
actually a permission problem?
If I disable the spool directory, the job does complete successfully.
Thanks,
--
Ryan Sizemore
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