ADSM-L

Re: Slow retrieves from large directories

1999-04-20 04:40:30
Subject: Re: Slow retrieves from large directories
From: Heinz Flemming <flemming AT RZ.UNI-KARLSRUHE DOT DE>
Date: Tue, 20 Apr 1999 10:40:30 +0200
According to Steven Bridge:
  ...
>
> The final component of the file is always unique and we archive about
> 1000 files a day.
> Once archived, the files are deleted from the original directory.
> The difficulty we face is that the actual retrieve of one of these
> files takes between 35 and 55 mins regardless of size. The time
> appears to be taken searching the database. There are several passes
> with the text ' ANS1899I ***** Examined    21,000 files *****'
> and similar up to 111,000 files.
> The command I am using is simply
> 'retrieve 
> /nfs/backup-server/stage2/local/E:rs6-svr-21c.ac.uk:__nfs__abc:x:y:z'
> or similar at the dsmc command prompt.

  I always use te option  -subdir=no  when I want to retrieve/restore a single
  file. What's your default setting in the dsm.opt file?


-----------------------------------------------------------------------
Heinz Flemming                             flemming AT rz.uni-karlsruhe DOT de
Heinz Flemming                             flemming AT rz.uni-karlsruhe DOT de
Rechenzentrum, Universitaet Karlsruhe
Zirkel 2, Postfach 6980
D-76128 Karlsruhe
Deutschland

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