On Thursday 23 October 2003 22:14, Paul Yeatman wrote: >Hi, I was once given the impression that chunksize in the > amanda.conf could be used to control at what size a backup image > would be written to tape instead of to holding disk. From reading > what is in the man page, I certainly wouldn't get this idea. > >I made the following note in my amanda.conf at one time (possibly > the negative sign alters the meaning?): > > # chunksize -1370 Mb # in my own words, this tells > # amanda to use a single file on the > holding # disk for any filesystem < 1370 Mb while # writing any > filesystem > 1370 Mb directly # to tape > >I'm now questioning whether any of this is true. I seem to also >vaguely remember something being said to me once about chunksize not >even being used by AMANDA anymore. Any comments to any of this? > >Thanks, > >Paul
Chunksize was originally a workaround for some filesystems file size limitations. When in use, the ONLY place it effects is the holding disk by breaking up a huge 30 gig total filesystem into files that it can handle in say, 2 gig hunks. These files are merged into one big file on the tape itself, and all chunks must be completed for a given filesystem before the transfer to the tape begins. And all chunks must have been written to the tape before any chunks are deleted from the holding disk. -- Cheers, Gene AMD [EMAIL PROTECTED] 320M [EMAIL PROTECTED] 512M 99.27% setiathome rank, not too shabby for a WV hillbilly Yahoo.com attornies please note, additions to this message by Gene Heskett are: Copyright 2003 by Maurice Eugene Heskett, all rights reserved.
