Hi Gene, On Thu, 15 Sep 2005, Gene Heskett wrote: > On Thursday 15 September 2005 09:11, Geert Uytterhoeven wrote: > >On Thu, 15 Sep 2005, Jon LaBadie wrote: > >> On Tue, Sep 13, 2005 at 07:42:36PM +0200, Geert Uytterhoeven wrote: > >> > On Tue, 13 Sep 2005, Matt Hyclak wrote: > >> > > On Tue, Sep 13, 2005 at 03:41:34PM +0100, Rodrigo Ventura > enlightened us: > >> > > > tapecycle is the total number of tapes; only these tapes are > >> > > > rotated, right? > >> > > > >> > > Not exactly. tapecycle is the minimum number of tapes that will > be > >> > > used before any single tape can be overwritten. Many people > have a > >> > > tapecycle less than the total number of tapes so that if a tape > >> > > happens to go bad, it doesn't hold everything up waiting for a > new > >> > > one. > >> > > >> > Tapecycle is also the number of slots in the virtual tape changer > if > >> > you use vtapes. Actually that isn't completely correct neither, > as I > >> > found out amtape continues scanning after the last accessed tape, > >> > but it refuses to scan for more than tapecycle tapes in one > >> > invocation. > >> > > >> > I'd like to have tapecycle different from the number of slots in > the > >> > virtual tape changer, so I can move vtapes offline, like with a > real > >> > changer. Right now the workaround is to make the number of slots > >> > equal to tapecycle, but this makes some assumptions I'd prefer > not > >> > to make. > >> > >> I presume this is a problem in the changer script, not amtape per > se. > >> What changer script do you use? Any script hackers want to tackle > it? > > > >chg-disk > > I've been running chg-disk for about a year, maybe longer. As you
Yep, me too. > can see with ls, each virtual tape is nothing but a directory that is > linked to as appropriate. There is nothing I can think of that would > preclude the copying of a directory (and its associated index files) > to one or more data dvd's in order to 'take a snapshot' for archival > reasons. Or, if there is space available on the target drive, I Indeed. > assume it could be marked as no-reuse, and a new directory created > and amlabeled in its place. I'm working (when time permit) on a script to `intelligently' move tapes to an offline location, and create/remove tapes on an as-needed basis, so I don't have to do this manually anymore. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [EMAIL PROTECTED] In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds