Re your line " None of them has data from more than one client" Has collocation been turned on by accident?
Thanks & Regards Paul > > So, I've got an offsite machine which exists to accept remote virtual > volumes. For years, now, the filling volumes have behaved in a way I > thought I understood. > > The tapes are collocated by node. There are about 20 server nodes which > write to it. > > My number of filling volumes has rattled around 50-60 for years; I > interpret this as basic node collocation, plus occasional additional > tapes allocated when more streams than tapes are writing at a time. So > some of the servers have just one filling tape, some have two, and the > busiest of them might have as many as 6 (my drive count). > > Add a little error for occasionally reclaiming a still-filling volume, > and that gives me a very clear sense of what's going on, and I can just > monitor scratch count. > > Right now, I have 190 filling volumes. > > None of them has data from more than one client. > > I have some volumes RO and filling, and am looking into that, but it's > 20 of them, not enough to account for this backlog. Those are also the > only vols in error state. > > I've been rooting through my actlogs looking for warnings or errors, but > I've never had occasion to introspect about how TSM picks which tape to > call for, when it's going to write. It's always Just Worked. > > > Does this ring any bells for anyone? Any dumb questions I've > forgotten to ask? I don't hold much hope for getting a good experience > out of IBM support on this. > > > - Allen S.Rout ANL - Regional Carrier of the Year 2011 - Containerisation International ANL DISCLAIMER This e-mail and any file attached is confidential, and intended solely to the named add ressees. Any unauthorised dissemination or use is strictly prohibited. If you received this e-mail in error, please immediately notify the sender by return e-mail from your s ystem. Please do not copy, use or make reference to it for any purpose, or disclose its contents to any person.
