Thanks Gene / Jon That helps explain it !
I'll get this thing taped eventually !! -- AlanP On Fri, July 28, 2006 7:37 pm, Jon LaBadie wrote: > On Fri, Jul 28, 2006 at 07:25:29PM +0100, Alan Pearson wrote: >> >> I think I've run into another problem indirectly realted to my earlier >> issues. >> >> I've been trying in vein to get a Level 0 dump of the machine onto >> tape. >> >> I've told amanda to use SERVER compression, but unfortunatley, amanda >> planner seem to take the estimates from the client without compression >> when calculating what it can fit on tape. >> >> So in reality, if I go over the uncompressed size of the tape as defined >> in tape type, then this will never get to tape, even though it may fit >> on >> after compression. >> >> This is at the planner stage, so Amanda doesn't even dump the system to >> disk to see what size it really is. >> > > The planner gets the uncompressed size estimate from the client even > if client-side compression is used. > > However in the info file for each DLE is a record of the compressability > of the last three full-dumps (and last three incrementals). The > uncompressed size is then multiplied by this factor to get the final > size estimate of the dump. > > If the actual historical information is missing, > a compressability of 0.5 is used. > > -- > Jon H. LaBadie [EMAIL PROTECTED] > JG Computing > 4455 Province Line Road (609) 252-0159 > Princeton, NJ 08540-4322 (609) 683-7220 (fax) >
