On Fri, Jan 28, 2011 at 08:15:33PM -0700, Charles Curley wrote: > On Fri, 28 Jan 2011 21:34:52 -0500 > Jon LaBadie <[email protected]> wrote: > > > Charles, do you find the use of a holding disk to be a major drawback? > > No, and I'm sorry if I gave that impression. > > > The time to backup my small network is about 2 hours but the dump time > > is almost 3x the wall clock time. Yet the total time for "taping", > > i.e. holding disk -> vtapes is only 16 minutes. In my environment > > there is little need for multiple vdrives despite its sequential > > nature. > > Hmm, I see a similar ratio: 1:18 to dump, :01 (!) to tape. (Assuming I > am reading the report correctly.) So, yeah, I doubt I would benefit much > from another vtape. Thanks for bring that up. > > This with Amanda 3.1.0 on Ubuntu 10.10 on a dual core AMD 64 and > two SATA disks, with data and holding on one, and the vtapes on the > other. > Quite different hardware, similar Amanda. My amanda server is on a Fedora 14 with a 900 MHz Pentium III; obviously 32 bit. The 6 disks are a mix of PATA, SATA, and external USB drives. Vtapes are on the the latter two types (4 drives) while the OS and holding disk are on the PATA drives. Amanda's a very flexible lady.
JL -- Jon H. LaBadie [email protected] JG Computing 12027 Creekbend Drive (703) 787-0884 Reston, VA 20194 (703) 787-0922 (fax)
