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Re: No Level 0 backup possible
2006-06-19 09:07:59
On Mon, Jun 19, 2006 at 01:16:02PM +0100, Anne Wilson wrote:
> On Saturday 17 June 2006 18:45, Jon LaBadie wrote:
> > 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,DumpT
> > >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 :-)
>
borg /home {
user-tar-span
exclude list "amanda.exclude"
} 1
What would be the syntax needed to use user-tar-span here? Sorry of this
--
Jon H. LaBadie jon AT jgcomp DOT com
JG Computing
4455 Province Line Road (609) 252-0159
Princeton, NJ 08540-4322 (609) 683-7220 (fax)
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