Amanda-Users

Re: number of disklist entries question

2006-05-02 10:23:07
Subject: Re: number of disklist entries question
From: Paul Bijnens <paul.bijnens AT xplanation DOT com>
To: "McGraw, Robert P." <rmcgraw AT purdue DOT edu>
Date: Tue, 02 May 2006 16:19:53 +0200
On 2006-05-02 16:03, McGraw, Robert P. wrote:
I have 581 of the following type disklist entries.
zorn  /export/users-aar  /export/fssnap/users  {
      users-tar
      `include' "./aar"
}

We have some people who have only a few file and some who have over 15GB. I
thought about segregating people by the first letter of their login name. I
realize that it probably takes longer having to create so many files on a
tape but then I can probably fill up a tape because I have so many small
files.


Is there a limit to the number of disklist entries?

Yes there is: the size of the UDP packet, which in current versions
is limited to 32Kbytes (if really really needed, you can change the
source and make that 64K if your OS supports it -- most do if tweaked).

See: http://wiki.zmanda.com/index.php/Amdump:_results_missing#UDP_packet_too_large.3F



--
Paul Bijnens, xplanation Technology Services        Tel  +32 16 397.511
Technologielaan 21 bus 2, B-3001 Leuven, BELGIUM    Fax  +32 16 397.512
http://www.xplanation.com/          email:  Paul.Bijnens AT xplanation DOT com
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