Amanda-Users

Re: planner timeouts and udp packet size

2005-12-07 18:22:06
Subject: Re: planner timeouts and udp packet size
From: Jean-Francois Malouin <Jean-Francois.Malouin AT bic.mni.mcgill DOT ca>
To: AMANDA users <amanda-users AT amanda DOT org>
Date: Wed, 7 Dec 2005 18:12:46 -0500
Replying to myself,

* Jean-Francois Malouin <Jean-Francois.Malouin AT bic.mni.mcgill DOT ca> 
[20051207 16:03]:
> * Paul Bijnens <paul.bijnens AT xplanation DOT com> [20051207 07:41]:
> > Jon LaBadie wrote:
> > >On Tue, Dec 06, 2005 at 12:06:19PM -0500, Jean-Francois Malouin wrote:
> > >
> > >>I've got this amanda client (server and client at v2.4.5) with a 1.5TB
> > >>raid splitted/chunked in ~70 DLEs (using gtar) and some of them don't
> > >>make it to tape as the planner timeouts. Now, would someone be kind
> > >>enough to jolt my memory as to what is the relationship between UDP
> > >>packet size and the number/size of DLEs entries along with their
> > ...
> > >
> > >>From a Dec. 2004 reply by Paul Bijenes:
> > 
> > Wow, you surely have a large mail archive.  I didn't have that message 
> > anymore.
> > 
> > The last updated (5 minutes ago) explanatin is found here:
> > 
> > http://wiki.zmanda.com/index.php/Why_does_%27amdump%27_report_%60results_missing%27%3F#UDP_packet_too_large.3F
> > 
> > or shorter:
> > 
> > http://tinyurl.com/ca7pv
> 
> Thank you all for the help.
> 
> I found that the udp reply packet is short of 37 bytes from 32Kb
> taking into account the IP and UPD encapsulation and I can't seem to
> find what the max size of udp packet on irix6.5 -- anyone knows? All I
> can gather from systune (kernel tunable utilities on irix) is
> udp_sendspace = 61440 (0xf000) 60Kb
> 
> Anyways, I modified the dumptypes to use exclude list on the client
> and now I'm below the udp request from last night is ~27Kb and I see
> no timeouts but my exclude fails :( 
> Ah, well... I'll post another question when I'm sure that I haven't
> made (yet) another stupid mistake...

stupid it was indeed:
I had an extra white space in front of every exclude pattern...

jf

> 
> regards,
> jf
> 
> > 
> > 
> > -- 
> > Paul Bijnens, Xplanation                            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
> > ***********************************************************************
> > * I think I've got the hang of it now:  exit, ^D, ^C, ^\, ^Z, ^Q, ^^, *
> > * F6, quit, ZZ, :q, :q!, M-Z, ^X^C, logoff, logout, close, bye, /bye, *
> > * stop, end, F3, ~., ^]c, +++ ATH, disconnect, halt,  abort,  hangup, *
> > * PF4, F20, ^X^X, :D::D, KJOB, F14-f-e, F8-e,  kill -1 $$,  shutdown, *
> > * init 0, kill -9 1, Alt-F4, Ctrl-Alt-Del, AltGr-NumLock, Stop-A, ... *
> > * ...  "Are you sure?"  ...   YES   ...   Phew ...   I'm out          *
> > ***********************************************************************
> > 
> 

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