Amanda-Users

Re: A quick AMANDA question ...

2004-02-24 19:15:08
Subject: Re: A quick AMANDA question ...
From: Frank Smith <fsmith AT hoovers DOT com>
To: Geoff Swavley <geoffs AT radx DOT net>, amanda-users AT amanda DOT org
Date: Tue, 24 Feb 2004 18:12:33 -0600

--On Wednesday, February 25, 2004 10:47:07 +1100 Geoff Swavley <geoffs AT radx 
DOT net> wrote:

> Hi All,
> 
> I have recently had this filesystem "run out of tape", when I know that's
> impossible as the native capacity of the AIT drive is 35GB. I was
> wondering if there is a 32 bit limit to the size of a single filesystem that
> amanda
> can backup? That's all I can think of, for why it should suddenly
> stop working. I have 25 schedules across 5 x AIT tape drives and
> they all work beyond this capacity ... the only difference being that they 
> have
> multiple filesystems to backup. This schedule has 1 filesystem that is
> large:
> 
> 
> These dumps were to tape schedule20-WEEK6.
> *** A TAPE ERROR OCCURRED: [[writing file: short write]].
> Some dumps may have been left in the holding disk.
> Run amflush to flush them to tape.
> The next tape Amanda expects to use is: schedule20-WEEK1.
> 
> FAILURE AND STRANGE DUMP SUMMARY:
>   pambula    /u26 lev 0 FAILED [out of tape]
> 
> 
> STATISTICS:
>                           Total       Full      Daily
>                         --------   --------   --------
> Estimate Time (hrs:min)    0:00
> Run Time (hrs:min)         7:26
> Dump Time (hrs:min)        4:21       4:21       0:00
> Output Size (meg)       32884.0    32884.0        0.0
> Original Size (meg)     32884.0    32884.0        0.0
> Avg Compressed Size (%)     --         --         --
> Filesystems Dumped            1          1          0
> Avg Dump Rate (k/s)      2153.3     2153.3        --
> 
> Tape Time (hrs:min)        0:00       0:00       0:00
> Tape Size (meg)             0.0        0.0        0.0
> Tape Used (%)               0.0        0.0        0.0
> Filesystems Taped             0          0          0
> Avg Tp Write Rate (k/s)     --         --         --
> 
> USAGE BY TAPE:
>   Label                  Time      Size      %    Nb
>   schedule20-WEEK6       0:00       0.0    0.0     0
> 
> 
> NOTES:
>   taper: tape schedule20-WEEK6 kb 32010400 fm 1 writing file: short write

Well, it almost made it (32GB out of the 32.89GB it needed).  Perhaps
the drive has hardware compression enabled, and this dump is already
compressed, making it larger as it gets written to tape?

Frank

>   driver: going into degraded mode because of tape error.
> 
> 
> DUMP SUMMARY:
>                                      DUMPER STATS            TAPER STATS
> HOSTNAME     DISK        L ORIG-KB OUT-KB COMP% MMM:SS  KB/s MMM:SS  KB/s
> -------------------------- --------------------------------- ------------
> pambula      /u26        0 3367318433673184   --  260:382153.3  FAILED  ----
> 
> (brought to you by Amanda version 2.4.4p2)
> 
> 
> 
> 
> 
> Has anyone else had this problem? It's not the tape .... I've changed
> that (last week) and the problem still persists ... seems to have only
> happened as the filesystem has filled to this large size.
> 
> thanks
> 
> geoffs :-)
> ----------------------------------------------------------------------
> Geoff Swavley                       Email : geoffs AT radx DOT net
> UNIX Sys Admin                      Snail : Level 8, 10 Valentine Ave,
> Support and Network Operations              Parramatta   NSW   2150
> Dept of Infrastructure, Planning            Sydney  Australia
> and Natural Resources                       Phone : 61-2-98957125
> http://www.radx.net/~geoffs                 Fax   : 61-2-98957086
> Mobile: 61-422-002005                       Home  : 61-2-96593637
> ----------------------------------------------------------------------
>  "Be wary of the man who urges an action in which he himself incurs
>   no risk." - Setanti, Joaquin de
> 



-- 
Frank Smith                                      fsmith AT hoovers DOT com
Sr. Systems Administrator                       Voice: 512-374-4673
Hoover's Online                                   Fax: 512-374-4501


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