I am backing up to disk and attempting to create volumes (i.e., files)
labelled with the date that will hold, for example, a few days backup.
I want a new volume to be created after a few days.
Something is going wrong, because I'm using terribly old volumes:
llist volume=Inc2005-06-23_0040
mediaid: 4
volumename: Inc2005-06-23_0040
slot: 0
poolid: 4
mediatype: File
firstwritten: 2005-10-06 02:05:02
lastwritten: 2005-10-07 02:16:40
labeldate: 2005-10-06 01:05:46
voljobs: 4
volfiles: 0
volblocks: 10,566
volmounts: 19
volbytes: 681,549,289
volerrors: 0
volwrites: 10,667
volcapacitybytes: 0
volstatus: Full
recycle: 1
volretention: 1,209,600
voluseduration: 259,212
maxvoljobs: 0
maxvolfiles: 0
maxvolbytes: 681,574,400
inchanger: 0
endfile: 0
endblock: 681,484,981
Obviously, the volume was first written on 2005-06-23, not 2005-10-06,
and it's being used way after its volume use period. (I'm not sure
what the units of the reported volretention and voluseduration above
are--anybody know?).
The relevant pool declaration is
Pool {
Name = Incremental
Pool Type = Backup
Maximum Volume Bytes = 650m;
Volume Use Duration = 3 days 12 hours;
Volume Retention = 14 days;
Label Format =
"Inc${Year}-${Month:p/2/0/r}-${Day:p/2/0/r}_${blankv:-${seqno+}:p/4/0/r}"
}
The behavior seems to contradict what "Volume Use Duration" is
supposed to do (though see caveats below). Is this some weird
recycling? I can't tell what the default for recyling is, but it
seems to be on in the listing above, so I guess it defaults to yes.
This may relate to a puzzle I posted earlier (Aug 27 "Apparent Use of
Wrong Volume") in which the log showed
27-Aug 01:06 wheat-dir: Pruned 1 Job on Volume "Diff2005-07-16_0047" from
catalog.
27-Aug 01:06 wheat-dir: Recycled volume "Diff2005-07-16_0047"
27-Aug 01:06 wheat-sd: Recycled volume "Diff2005-07-16_0047" on device
"/var/spool/bacula", all previous data lost.
and then backup to the same volume.
The description of "Volume Use Duration" notes the value is checked
only at the end of a job writing to the volume, and does note that
volumes set to "used" can't be appended to but can be recycled.
Would adding "Recycle = No" be sufficient to get the expected
behavior?
My goals:
* after a certain time the physical file (volume) is not written to
* after a certain time that physical file is deleted (ideally, this
would be a longer time than the first item)
* different jobs may use the same volume (if they run during the
period its live and they aren't too big)
* the deletion does not delete records in the catalog
How do I get that?
Thanks.
Ross Boylan
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