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1. advice to optimise backup time (score: 1): Author: Frederic Medery <dist-list AT LEXUM.UMontreal DOT CA>; Date: Fri, 09 Jul 2004 09:27:29 -0400; Hello, We have more and more prob with the backup : it takes more then 14 h. It's not amanda fault just the amount of data. :-) For now we have a backup server with a amanda partition with 18 GB conn; /usr/local/webapp/mharc-adsm.org/html/Amanda-Users/2004-07/msg00084.html (11,745 bytes)
2. Re: advice to optimise backup time (score: 1): Author: Joshua Baker-LePain <jlb17 AT duke DOT edu>; Date: Fri, 9 Jul 2004 10:22:46 -0400 (EDT); How much per night? More holding space is going to give you the biggest boost. Software vs. hardware compression with regards to speed depends on your hardware -- if the CPUs can compress the data as; /usr/local/webapp/mharc-adsm.org/html/Amanda-Users/2004-07/msg00085.html (12,222 bytes)
3. Re: advice to optimise backup time (score: 1): Author: Brian Cuttler <brian AT wadsworth DOT org>; Date: Fri, 9 Jul 2004 10:26:09 -0400; Frederic, What are the tuning parameters ? Are you bumping into an amanda imposed bandwidth limit ? What are the settings for max dumpers and number of jobs you can run at one time for each client ?; /usr/local/webapp/mharc-adsm.org/html/Amanda-Users/2004-07/msg00086.html (13,116 bytes)
4. Re: advice to optimise backup time (score: 1): Author: Alexander Jolk <alexj AT buf DOT com>; Date: Fri, 09 Jul 2004 16:32:09 +0200; And be sure to have fast holding disks. LTO drives eat data at 20-30MB/s if your disk can send it that fast; in my setup (currently 400GB/night, and struggling to finish in 24h!), I've only two IDE; /usr/local/webapp/mharc-adsm.org/html/Amanda-Users/2004-07/msg00087.html (11,409 bytes)
5. Re: advice to optimise backup time (score: 1): Author: Paul Bijnens <paul.bijnens AT xplanation DOT com>; Date: Fri, 09 Jul 2004 17:48:40 +0200; is there another amanda tweaks to speed up the backup process ? Careful study of amplot graphs helps you point out bottlenecks quickly. -- Paul Bijnens, Xplanation Tel +32 16 397.511 Technologielaan; /usr/local/webapp/mharc-adsm.org/html/Amanda-Users/2004-07/msg00088.html (12,117 bytes)
6. Re: advice to optimise backup time (score: 1): Author: Frederic Medery <dist-list AT LEXUM.UMontreal DOT CA>; Date: Fri, 09 Jul 2004 14:19:23 -0400; thanks for the replies !! There's no bandwidth limit. where can I find the dumpers and number of jobs info ? For the SW compression in vary depending of the server/parition. reg, Frederic Medery Syst; /usr/local/webapp/mharc-adsm.org/html/Amanda-Users/2004-07/msg00090.html (14,044 bytes)
7. Re: advice to optimise backup time (score: 1): Author: Paul Bijnens <paul.bijnens AT xplanation DOT com>; Date: Fri, 09 Jul 2004 23:06:46 +0200; There's no bandwidth limit. Maybe not by the physical network, but maybe you have weird parameters in amanda.conf. where can I find the dumpers and number of jobs info ? A nice overview of all this i; /usr/local/webapp/mharc-adsm.org/html/Amanda-Users/2004-07/msg00091.html (11,834 bytes)

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