On Wed, 20 Apr 2005, Prather, Wanda might have said: > Yes, you can use one TSM server as an "electronic vault" for another TSM > server. > > Look in the Administrator's Guide under the topic "Using Virtual Volumes to > Store Data on Another Server". > > It may not be the best approach, however: > > * The data is sent from the primary server to the secondary server via > TCP/IP. How well it works for you will depend a lot on the available > throughput you have, and the amount of data involved. > > * It may not work like you want: Server-to-Server virtual volumes create > an "electronic vault", not a "standby server". If your primary server goes > down (or burns up!), the data is safe on the "other" TSM server, but cannot > be restored directly from the other server. You have to recreate your > pirmary TSM server image first. > > * First let me say that I don't even know what "on demand" is, but I'm > not sure what you mean by "temporary stuff". If you are talking about > backups, TSM doesn't really understand the notion of "temporary". How will > you get those backups to expire off the "other" server? Archives are a > better choice for something that is "temporary". > > * "Virtual" volumes also have to be reclaimed, and that involves transfer > via TCP/IP again. > > * Have you considered creating a second copy pool and just moving the > tapes of this "temporary" stuff to the other server's location? It's usually > faster and easier to manage than virtual volumes, if you have a lot of data. > > * I assume from your question that your TSM servers have separate > libraries. I don't have enough information about your config to say for > sure, but if your library will support it, a better solution may be to use a > fibre connection to let your 2 TSM servers share one of the libraries, and > have your TSM "on demand" server write its copy pool into the other machine's > library. > > Hope that helps. > > Wanda Prather > "* I/O, I/O, It's all about I/O *" -(me) > > > > > > > > > > > -----Original Message----- > From: ADSM: Dist Stor Manager [mailto:[EMAIL PROTECTED] On Behalf Of Mike > Sent: Wednesday, April 20, 2005 11:25 AM > To: [email protected] > Subject: backup stgpool from one server to another? > > > We have two TSM servers with one that backs up all nodes > on the network (Intel and AIX) and the other that backs > up data specifically written to an OnDemand server (historical, > legal stuff that is kept for 6+ years). > > Is it possible to cause the temporary stuff, the files > sent to OnDemand today that are not yet off-site in > 6 year storage, to the other general purpose TSM so the > files do get preserved and off site in some way in case > something drastic happens? > > Does this make sense? > > I'm not trying to change OnDemand, but rather temporarily > send files from one TSM to the other. > > Mike >
Thank you very much. Just what I was looking for. Mike
