Amanda-Users

Re: Problems with dumps

2004-08-01 20:29:51
Subject: Re: Problems with dumps
From: "Fábio Mendonça Albuquerque Cunha" <fmacunha AT infranetsp.com DOT br>
To: Frank Smith <fsmith AT hoovers DOT com>, amanda-users AT amanda DOT org
Date: Sun, 1 Aug 2004 21:25:12 -0300
Hello guys ...

> > >> The next tape Amanda expects to use is: a new tape.
> > >> 
> > >> FAILURE AND STRANGE DUMP SUMMARY:
> > >>   servarq.es /projeto2 lev 0 FAILED [dumps too big, 16044295 KB, but
> > > cannot incremental dump new disk]
> > 
> > Not sure why you got this, 16GB should fit on a 50GB tape.  Perhaps you
> > have an incorrect length set in your tapetype?

My length set is : 50000

> > Tar encountered some warnings on /projeto3, they are listed below.
> > STRANGE may or not be a problem, you need to look at it's output below
> > and decide yourself.

No it's a not a concern at this moment.

> > >>   servarq.es /projeto1 lev 0 FAILED [out of tape]
> > 
> > The tape filled up while writing this filesystem so it didn't make it
> > to tape successfully.  It may be on your holding disk if you defined one.
> > If so, run amflush.
> 
But why the tape is filled up? The capacity is 130GB, with hardware compression.
The tape device is an AIT 50/130 GB tape drive.

> > Amanda wrote 43GB when it hit the end of tape.
> 
I don't understand this ... How works AIT tape hardware compression ?

Regards,

InfraNet Tecnologia
Fábio M. A. Cunha
(55 11) 5542-0941 ramal 22
(55 11) 9603-6377
www.infranetsp.com.br


On Sun,  1 Aug 2004 21:17:53 -0300, "Fábio Mendonça Albuquerque Cunha" 
<fmacunha> escreveu:

> De: "Fábio Mendonça Albuquerque Cunha" <fmacunha>
> Data: Sun,  1 Aug 2004 21:17:53 -0300
> Para: Frank Smith <fsmith>, amanda-users AT amanda DOT org
> Assunto: Re: Problems with dumps
> 
> On Fri, 30 Jul 2004 23:24:21 -0500, Frank Smith <fsmith> escreveu:
> 
> > De: Frank Smith <fsmith>
> > Data: Fri, 30 Jul 2004 23:24:21 -0500
> > Para: Fábio Mendonça Albuquerque Cunha <fmacunha>,        amanda-users AT 
> > amanda DOT org
> > Assunto: Re: Problems with dumps
> > 
> > --On Friday, July 30, 2004 18:20:08 -0300 Fábio Mendonça Albuquerque Cunha 
> > <fmacunha> wrote:
> > 
> > > Hello guys,
> > > 
> > > I am trying to do a full backup of 03 filesystems (127 GB), and my tape 
> > > is an AIT 50/130 GB tape driver.
> > > 
> > > My amcheck is OK, no problems found ...
> > > 
> > > Amdump simply don't work and report me this :
> > > 
> > >> These dumps were to tape fita03.
> > >> *** A TAPE ERROR OCCURRED: [[writing file: No space left on device]].
> > 
> > Tape is full.
> > 
> > >> Some dumps may have been left in the holding disk.
> > >> Run amflush to flush them to tape.
> > 
> > You may need to do this.
> > 
> > >> The next tape Amanda expects to use is: a new tape.
> > >> 
> > >> FAILURE AND STRANGE DUMP SUMMARY:
> > >>   servarq.es /projeto2 lev 0 FAILED [dumps too big, 16044295 KB, but
> > > cannot incremental dump new disk]
> > 
> > Not sure why you got this, 16GB should fit on a 50GB tape.  Perhaps you
> > have an incorrect length set in your tapetype?
> > 
> > >>   servarq.es /projeto3 lev 0 STRANGE
> > 
> > Tar encountered some warnings on /projeto3, they are listed below.
> > STRANGE may or not be a problem, you need to look at it's output below
> > and decide yourself.
> > 
> No it's a not a concern at this moment.
> 
> > >>   servarq.es /projeto1 lev 0 FAILED [out of tape]
> > 
> > The tape filled up while writing this filesystem so it didn't make it
> > to tape successfully.  It may be on your holding disk if you defined one.
> > If so, run amflush.
> 
> But why the tape is filled up? The capacity is 130GB, with hardware 
> compression.
> The tape device is an AIT 50/130 GB tape drive.
> > 

> > >>   servarq.es /projeto1 lev 0 FAILED ["data write: Connection reset by
> > > peer"]
> > 
> > Possibly you weren't using a holding disk and it was going directly
> > to tape, so when the tape filled up the pipe closed, terminating the
> > connection.
> 
> > 
> > >>   servarq.es /projeto1 lev 0 FAILED [dump to tape failed]
> > >> 
> > >> 
> > >> STATISTICS:
> > >>                           Total       Full      Daily
> > >>                         --------   --------   --------
> > >> Estimate Time (hrs:min)    0:21
> > >> Run Time (hrs:min)        11:56
> > >> Dump Time (hrs:min)        5:18       5:18       0:00
> > >> Output Size (meg)       17838.9    17838.9        0.0
> > >> Original Size (meg)     33755.8    33755.8        0.0
> > >> Avg Compressed Size (%)    52.8       52.8        --
> > >> Filesystems Dumped            1          1          0
> > >> Avg Dump Rate (k/s)       956.0      956.0        --
> > >> 
> > >> Tape Time (hrs:min)        5:19       5:19       0:00
> > >> Tape Size (meg)         17838.9    17838.9        0.0
> > >> Tape Used (%)              35.7       35.7        0.0
> > >> Filesystems Taped             1          1          0
> > >> Avg Tp Write Rate (k/s)   955.5      955.5        --
> > >> 
> > >> USAGE BY TAPE:
> > >>   Label        Time      Size      %    Nb
> > >>   fita03       5:19   17838.9   35.7     1
> > >> 
> > >> 
> > >> FAILED AND STRANGE DUMP DETAILS:
> > >> 
> > >> /-- servarq.es /projeto3 lev 0 STRANGE
> > >> sendbackup: start [servarq.estatica.com.br:/projeto3 level 0]
> > >> sendbackup: info BACKUP=/bin/gtar
> > >> sendbackup: info RECOVER_CMD=/bin/gtar -f... -
> > >> sendbackup: info end
> > >> ? gtar: ./projeto3/COMGAS-1463/Enrique/Cartas a Tramitar/oficio 04-08xx -
> > > CPTM - S\306o Paulo - 03.035 - 1.doc: Warning: Cannot stat: No such file 
> > > or
> > > directory
> > >> ? gtar: ./projeto3/COMGAS-1463/Enrique/Cartas a Tramitar/oficio 04-08xx -
> > > CPTM - S\306o Paulo - 03.035 - 2.doc: Warning: Cannot stat: No such file 
> > > or
> > > directory
> > >> ? gtar: ./projeto3/COMGAS-1463/Enrique/Cartas a Tramitar/oficio 04-08xx -
> > > METRO - S\306o Paulo - 03.035.doc: Warning: Cannot stat: No such file or
> > > directory
> > >> ? gtar: ./projeto3/COMGAS-1463/e-mail recebido ate/COMGAS/Fw_
> > > Concorr\210ncia Elabora\207\306o Projeto Executivo - Bols\344es Av_
> > > Jabaquara_Lino Coutinho_Winner_Cardoso Almeida_Ant\223nio Ambuda_Costa
> > > Marina_Ida Kolbi_ERS41_Ripasa Pap\202is Limeira.eml: Warning: Cannot stat:
> > > No such file or directory
> > >> ? gtar: ./projeto3/COMGAS-1463/e-mail recebido ate/COMGAS/Fw_
> > > Concorr\210ncia Elabora\207\306o Projeto Executivo - Bols\344es Av_
> > > Jabaquara_Lino Coutinho_Winner_Cardoso Almeida_Ant\223nio Ambuda_Costa
> > > Marina_Ida Kolbi_ERS41_Ripasa_Pap\202is Limeira.eml: Warning: Cannot stat:
> > > No such file or directory
> > 
> > All these files disappeared between the time tar made its filelist and
> > the time it tried to read them.  The result of backing up a busy
> > filesystem.  May or may not be a concern to you.
> > 
> > >> | Total bytes written: 35395502080 (33GB, 1.8MB/s)
> > >> sendbackup: size 34565920
> > >> sendbackup: end
> > >> \--------
> > >> 
> > >> /-- servarq.es /projeto1 lev 0 FAILED ["data write: Connection reset by
> > > peer"]
> > >> sendbackup: start [servarq.estatica.com.br:/projeto1 level 0]
> > >> sendbackup: info BACKUP=/bin/gtar
> > >> sendbackup: info RECOVER_CMD=/bin/gtar -f... -
> > >> sendbackup: info end
> > >> \--------
> > >> 
> > >> 
> > >> NOTES:
> > >>   planner: tapecycle (5) <= runspercycle (7)
> > >>   planner: Adding new disk servarq.estatica.com.br:/projeto2.
> > >>   planner: Adding new disk servarq.estatica.com.br:/projeto3.
> > >>   planner: Adding new disk servarq.estatica.com.br:/projeto1.
> > >>   taper: tape fita03 kb 43281440 fm 2 writing file: No space left on
> > > device
> > 
> > Amanda wrote 43GB when it hit the end of tape.
> 
> I don't understand this ... How works AIT tape hardware compression ?
> > 
> > >> 
> > >> 
> > >> DUMP SUMMARY:
> > >>                                      DUMPER STATS            TAPER STATS
> > >> HOSTNAME     DISK        L ORIG-KB OUT-KB COMP% MMM:SS  KB/s MMM:SS  KB/s
> > >> -------------------------- --------------------------------- ------------
> > >> servarq.esta /projeto1   0 FAILED ---------------------------------------
> > >> servarq.esta /projeto2   0 FAILED ---------------------------------------
> > >> servarq.esta /projeto3   0 3456592018267056  52.8 318:28 956.0 318:37
> > > 955.5
> > >> 
> > >> (brought to you by Amanda version 2.4.4p3)
> > > 
> > > At my configuration file I use this options :
> > > 
> > > define dumptype comp-high {
> > >>     global
> > >>     comment "very important partitions on fast machines"
> > >>     compress client best
> > >>     priority high
> > >> }
> > >> 
> > >> Compress: I supose that option I used the best, but the slowest one, 
> > >> right ? What the comprresion that is used at this option ? bzip2 ?
> > 
> > Its all gzip, the best just calls it with the option to trade off speed for
> > higher compression.  Be aware that already-compressed data gets slightly
> > bigger when you try to compress it.
> > 
> > > 
> > > At my disklist I use :
> > >> my_host.my_domain /dir1 comp-high
> > >> my_host.my_domain /dir2 comp-high
> > >> my_host.my_domain /dir3 comp-high
> > >> my_host.my_domain /dir4 comp-high
> > > 
> > > Someone could help me ???
> > > 
> > > Am I providing enough information ?
> > 
> > You may need to provide your amanda.conf.  Perhaps increasing runtapes
> > to 2, increasing your dumpcycle or runspercycle, or starting with a
> > smaller disklist that you add filesystems to slowly would allow you
> > to get it all working.
> >    Also make sure the length in your tapetype is correct.
> > 
> My amanda.conf is attached in this e-mail, if someone could read maybe could 
> help me ...
> 
> Thanks !
> 
> > Frank
> > 
> > > 
> > > Regards,
> > > 
> > > InfraNet Tecnologia
> > > Fábio M. A. Cunha
> > > (55 11) 5542-0941 ramal 22
> > > (55 11) 9603-6377
> > > www.infranetsp.com.br
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> > 
> 
> 
> 

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