On Monday 19 June 2006 14:07, Matt Hyclak wrote:
> On Mon, Jun 19, 2006 at 01:16:02PM +0100, Anne Wilson enlightened us:
> > > On Sat, Jun 17, 2006 at 04:57:56PM +0100, Anne Wilson wrote:
> > > > Scenario -
> > > >
> > > > Backup server: borg
> > > > Two drives - source from hda backed up by amanda to hdb.
> > > > Requirement: /home, less directories /home/anne/Photos
> > > > and /home/anne/recordings.
> > > >
> > > > The two excluded directories run as separate jobs, and cycle
> > > > correctly. The main /home directory is approx. 24GB long, but after
> > > > the excludes only about 6 GB. /tmp/dumps is an 11GB directory
> > > > designated as holding disk. I want to save the backups onto vtapes
> > > > that are suitable size for copying to DVD. ***********
> > > >
> > > > /home/amanda.exclude:
> > > > ./anne/recordings
> > > > ./anne/Photos
> > > > **************
> > > > From amanda.conf:
> > > >
> > > > org "xxxx"
> > > > mailto "anne@xxxx"
> > > >
> > > > dumpuser "amanda" # the user to run dumps under
> > > >
> > > > inparallel 8 # maximum dumpers that will run in parallel
> > > > (max 63)
> > > > # this maximum can be increased at compile-time,
> > > > # modifying MAX_DUMPERS in server-src/driverio.h
> > > >
> > > > maxdumps 4 # allowing one per disk make sense to me
> > > >
> > > > taperalgo largestfit # will help fill tapes if runtapes >1!
> > > >
> > > > netusage 800 Kbps # maximum net bandwidth for Amanda, in KB per
> > > > sec
> > > >
> > > > dumpcycle 7 # The number of days in the normal dump cycle
> > > > runspercycle 7 # the number of amdump runs in dumpcycle days
> > > > # (4 weeks * 5 amdump runs per week -- just
> > > > weekdays)
> > > >
> > > >
> > > > tapecycle 21 tapes # the number of tapes in rotation
> > > > dumporder "SSTT" # specify the priority order of each dumper
> > > >
> > > > bumpsize 10 Mb # minimum savings (threshold) to bump level 1
> > > > -> 2
> > > > bumpdays 1 # minimum days at each level
> > > > bumpmult 2 # threshold = bumpsize * bumpmult^(level-1)
> > > >
> > > > etimeout 800 # number of seconds per filesystem for
> > > > estimates.
> > > >
> > > > dtimeout 1500 # number of idle seconds before a dump is
> > > > aborted.
> > > >
> > > > ctimeout 8 # maximum number of seconds that amcheck waits
> > > > # for each client host
> > > >
> > > > tapebufs 80
> > > >
> > > >
> > > > runtapes 10 # number of tapes to be used in a
> > > > single run of amdump
> > > >
> > > > tpchanger "chg-disk"
> > > >
> > > > tapedev "file:/Backup/amandatapes/Dailys" # the no-rewind
> > > > tape
> > > > device to be used
> > > >
> > > > changerdev "/dev/null"
> > > >
> > > > changerfile "/usr/local/etc/amanda/Daily/chg-disk"
> > > >
> > > > tapetype HARD-DISK
> > > > labelstr "^Dailys-[0-9][0-9]*$" # label constraint regex: all tapes
> > > > must match
> > > >
> > > > #Some boolean variables
> > > > autoflush yes
> > > > amrecover_do_fsf yes # amrecover will call amrestore with
> > > > the # -f flag for faster positioning of the tape.
> > > > amrecover_check_label yes # amrecover will call amrestore with
> > > > the # -l flag to check the label.
> > > >
> > > > amrecover_changer "chg-disk" # amrecover will use the changer if you
> > > > restore # from this device.
> > > >
> > > > # holdingdisk no
> > > >
> > > > holdingdisk hd1 {
> > > > comment "main holding disk"
> > > > directory "/tmp/dumps" # where the holding disk is
> > > > use -500 Mb # how much space can we use on it
> > > > # a non-positive value means:
> > > > # use all space but that value
> > > > chunksize 500 Mb # size of chunk if you want big dump to be
> > > > # dumped on multiple files on holding disks
> > > > # N Kb/Mb/Gb split images in chunks of size N
> > > > # The maximum value should be
> > > > # (MAX_FILE_SIZE - 1Mb)
> > > > # 0 same as INT_MAX bytes
> > > > }
> > > >
> > > > reserve 20 # percent
> > > > columnspec
> > > > "HostName=0:7,Disk=1:32,Level=1:2,OrigKB=1:6,OutKB=1:6,Compress=1:5,D
> > > >umpT ime=1:5,DumpRate=1:7,TapeTime=1:5,TapeRate=1:7" displayunit "m"
> > > > infofile "/usr/local/var/amanda/Daily/curinfo" # database DIRECTORY
> > > > logdir "/usr/local/var/amanda/Daily" # log directory
> > > > indexdir "/usr/local/var/amanda/Daily/index" # index directory
> > > > tapelist "/usr/local/etc/amanda/Daily/tapelist" # list of used tapes
> > > >
> > > > define tapetype HARD-DISK {
> > > > comment "WD 120GB drive hdb6"
> > > > lbl-templ "/usr/local/etc/amanda/Daily/3hole.ps"
> > > > length 4100 mbytes # will burn to DVD
> > > > }
> > > >
> > > > define dumptype global {
> > > > comment "Global definitions"
> > > > index yes
> > > > # record no
> > > > tape_splitsize 400 Mb
> > > > # split_diskbuffer "/tmp/dumps"
> > > > fallback_splitsize 100m
> > > > maxpromoteday 1
> > > > }
> > > > **********
> > > > /usr/local/var/amanda/Daily/log.20060617.4
> > > >
> > > > START driver date 20060617
> > > > DISK planner borg /home
> > > > DISK planner borg /home/anne/Photos
> > > > DISK planner borg /Public
> > > > START planner date 20060617
> > > > STATS driver startup time 0.084
> > > > INFO planner borg /home 20060617 0 [dump larger than available tape
> > > > space, 4556975 KB, full dump delayed]
> > > > FINISH planner date 20060617 time 3.387
> > > > START taper datestamp 20060617 label Dailys-6 tape 0
> > > > SUCCESS dumper borg /home 20060617 5 [sec 19.738 kb 19057 kps 965.5
> > > > orig-kb 104890]
> > > > SUCCESS chunker borg /home 20060617 5 [sec 19.696 kb 19057 kps 969.2]
> > > > SUCCESS taper borg /home 20060617 5 [sec 0.237 kb 19104 kps 80575.3
> > > > {wr: writers 597 rdwait 0.000 wrwait 0.147 filemark 0.000}]
> > > > SUCCESS dumper borg /home/anne/Photos 20060617 1 [sec 0.386 kb 3700
> > > > kps 9577.0 orig-kb 3700]
> > > > SUCCESS chunker borg /home/anne/Photos 20060617 1 [sec 0.389 kb 3700
> > > > kps 9591.2]
> > > > SUCCESS taper borg /home/anne/Photos 20060617 1 [sec 0.040 kb 3744
> > > > kps 91576.2 {wr: writers 117 rdwait 0.000 wrwait 0.025 filemark
> > > > 0.000}] SUCCESS dumper borg /Public 20060617 1 [sec 0.050 kb 8 kps
> > > > 157.1 orig-kb 80] SUCCESS chunker borg /Public 20060617 1 [sec 0.053
> > > > kb 8 kps 745.3] SUCCESS taper borg /Public 20060617 1 [sec 0.008 kb
> > > > 64 kps 7702.5 {wr: writers 2 rdwait 0.000 wrwait 0.000 filemark
> > > > 0.000}]
> > > > INFO taper tape Dailys-6 kb 22912 fm 3 [OK]
> > > > FINISH driver date 20060617 time 38.231
> > > >
> > > > ********************
> > > >
> > > > It looks to me as though it is not attempting to span the vtapes.
> > > > Can someone please point me at the likely cause? I did have spanning
> > > > working at one time, so I must have inadvertently changed something
> > > > vital.
> > >
> > > You could check how your settings are for each DLE individually and
> > > make sure they seem reasonable (what you expect). For example:
> > >
> > > amadmin Dailys disklist borg /home
> > > amadmin Dailys disklist borg /home/anne/Photos
> >
> > Looking again at the wiki page re splitting dumps, I have created a new
> > dumptype:
> >
> > define dumptype user-tar-span {
> > root-tar
> > tape_splitsize 400Mb
> > comment "tape-spanning user partitions dumped with tar"
> > }
> >
> > The wiki then goes on to say
> >
> > Now, in your disklist file, just invoke that dumptype:
> >
> > nutdumpling /export/home/building/amanda/dumpdata user-tar-span
> >
> > This format doesn't make any sense in terms of my disklist, which for
> > this DLE reads
> >
> > borg /home {
> > program "GNUTAR"
> > compress CLIENT BEST
> > index yes
> > exclude list "amanda.exclude"
> > } 1
> >
> > What would be the syntax needed to use user-tar-span here? Sorry of this
> > sounds naive but I'm still missing some basic concepts :-)
>
> You can replace the program "GNUTAR" line with a dumptype. In your case,
> you would change your DLE to be
>
> borg /home {
> user-tar-span
> compress CLIENT BEST # This may already be defined in root-tar
> index yes # This may already be defined in root-tar
> exclude list "amanda.exclude"
> } 1
>
> Your compress and index lines are overriding anything in root-tar. It may
> be redundant, but I just thought I'd point it out.
>
I'm sure that the problems are being caused by conflicting/overriding commands
- it's just finding them that's the problem :-) I tried commenting out the
compress and index lines, but attempting to run the dump still tells me that
Line 271 (root-tar) needs a dump-type parameter.
Anne
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