On Mon, Jun 09, 2014 at 04:13:51PM -0400, Robert Heller wrote: > At Mon, 09 Jun 2014 22:42:00 +0300 Toomas Aas <[email protected]> > wrote: > > > > > Mon, 09 Jun 2014 kirjutas Robert Heller <[email protected]>: > > > > > > > > Question: when using a disk-based 'virtual tape changer', is there is any > > > point in using a holding disk? I understand that a holding disk is a > > > good idea > > > when using real tapes, as this helps in keeping the tape drive streaming > > > -- > > > that is the holding disk smooths out the 'bumps' in the actual > > > backup process. > > > > AFAIK, when writing directly to tape - even virtual tape - only one > > client can be dumped simultaneously. When dumping to holding disks, > > several dumps can run in parallel. > > I only have *one* client (the server IS the client). (I know, Amanda might be > considered overkill in this case, but Amanda does all sorts of things in terms > of managing backups, etc.)
Simultaneous dumping of multiple DLE from a single client is possible. If something happens to the backup device, dumps could still be collected on, and recovered from, the holding disk. jl -- Jon H. LaBadie [email protected] 11226 South Shore Rd. (703) 787-0688 (H) Reston, VA 20190 (609) 477-8330 (C)
