how to tell amanda, that it can use the full bandwith? - some general questions
Hi, how to tell amanda, that it can use as much bandwith as possible? I have "netusage 125000" in my amanda.conf. This should saturate a 1GB link, but amanda is still quite slow. I've got some other questions: how to stop a running amdump? retriving a one year old file? I know, there was a theead some time ago, but I can't find it anymore. Good books/HowTos/example configurations for amanda? I read a lot about amanda, but some documents were rather old/confusing. I hope that no one is offended by my questions, because the might be rtfm. Many thanks in advance, Johnny
Re: how to tell amanda, that it can use the full bandwith? - some general questions
On Sat, May 06, 2006 at 10:53:03PM +0200, Hans-Christian Armingeon wrote: > Hi, > how to tell amanda, that it can use as much bandwith as possible? > > I have "netusage 125000" in my amanda.conf. This should saturate a 1GB link, > but amanda is still quite slow. To my knowledge, there is no "throttle" in amanda. The netusage parameter only affects whether or not to start a client dump. Once started, the dump uses all the bandwidth it can, no restraints in the amanda code. Look into aspects other than netusage for performance problems. > > I've got some other questions: > > how to stop a running amdump? > I use kill and amcleanup. > retriving a one year old file? I know, there was a theead some time ago, but > I can't find it anymore. How does that differ from a one day, week, or month old file? -- Jon H. LaBadie [EMAIL PROTECTED] JG Computing 4455 Province Line Road(609) 252-0159 Princeton, NJ 08540-4322 (609) 683-7220 (fax)
Re: how to tell amanda, that it can use the full bandwith? - some general questions
Hi, thank you for your quick reply. Am Samstag, 6. Mai 2006 23:22 schrieb Jon LaBadie: > On Sat, May 06, 2006 at 10:53:03PM +0200, Hans-Christian Armingeon wrote: > > Hi, > > how to tell amanda, that it can use as much bandwith as possible? > > > > I have "netusage 125000" in my amanda.conf. This should saturate a 1GB > > link, but amanda is still quite slow. > > To my knowledge, there is no "throttle" in amanda. > The netusage parameter only affects whether or not to > start a client dump. Once started, the dump uses all > the bandwidth it can, no restraints in the amanda code. > > Look into aspects other than netusage for performance problems. What could be a good place to look at? I have no link problems. > [...] > > retriving a one year old file? I know, there was a theead some time ago, > > but I can't find it anymore. > > How does that differ from a one day, week, or month old file? Well, with our old backup solution, we had a a full backup job, that ran once a month, and another job, that made the incremental backups. We kept the tapes from the full backup job, and the incremental tapes were overwritten after a while. The question is, how to set runspercycle, dumpcycle and tapecycle, that I can easily restore a two year old file with amanda. Johnny
Re: how to tell amanda, that it can use the full bandwith? - some general questions
On Sat, May 06, 2006 at 11:42:57PM +0200, Hans-Christian Armingeon wrote: > > Look into aspects other than netusage for performance problems. > What could be a good place to look at? I have no link problems. Check the output of amstatus when the run is completed. AT the bottom, it includes a breakdown of what Amanda was waiting on when it was waiting. If you're seeing slow transfers of individual dumps, the problem is more than likely related to: 1) Too many dumps at once are fighting for bandwidth 2) The client in question is too loaded/slow 3) The server is too slow In general, I've seen dumping take longer than transferring. -- Ross Vandegrift [EMAIL PROTECTED] "The good Christian should beware of mathematicians, and all those who make empty prophecies. The danger already exists that the mathematicians have made a covenant with the devil to darken the spirit and to confine man in the bonds of Hell." --St. Augustine, De Genesi ad Litteram, Book II, xviii, 37
Re: how to tell amanda, that it can use the full bandwith? - some general questions
Le Samedi 06 Mai 2006 23:42, vous avez écrit : > > What could be a good place to look at? I have no link problems. > Dump type and/or compression scenario, maybe? -- Francis Galiegue, [EMAIL PROTECTED] One2team - 12bis rue de la Pierre Levée, 75011 PARIS - 0143381980
