this is great, many many thanks ... i really appreciate your reply :-) i am sure this will help me in planning the stuff ... i'm starring (gmail) this reply so i can come back and report about my server swap action and results !
thanks again BIG // g 2009/1/29 Richard Rhodes <[email protected]>: > Here's how I would handle your migration. We have done this with our TSM > servers, as well as all kinds of other servers, including Oracle. > > We call this a Storage Swing - swinging storage from one server to another. > > Conceptually, this is unplugging the storage from the old server and > plugging it into the new server, just using the SAN to do it. Or, if you > were JBOD storage, it is unplugging the scsi cable and hooking it to the > new server. The AIX work would be the same reguardless of whether it was > SCSI/SSA/JBOD, ISCSI, FC/SAN. > > Setup new server > - setup and patch AIX > - setup inittab entries, crontabs, etc, etc > - install tsm > - copy to this new server your unique files that are in rootvg > (dsmserv.dsk, dsmserv.opt, etc, etc) > (probably the contents of your /usr/tivoli/tsm/server/bin) > (we keep all of this on our SAN storage) > > SAN work > - zone new server HBA's to storage > - do whatever you need to do on the new server for SAN storage > - never used a Hitachi box . . .but do whatever you need to do on it > --> BUT DON"T MAKE THE SAN LUNS AVAILABLE TO THE NEW SERVER YET > - For our storage (emc), what we do is NOT MASK the storage to the > server HBA's > - It would be VERY BAD to have the luns avaialabe to both servers > concurrently!!!! > > Cutover work - part 1 > - backup TSM > - make some kind of backup of non-tsm files on the SAN storage > - I would tar them up and copy them somewhere > > Cutover work - part 2 - on old server > - shutdown TSM > - have any important files in rootvg changed? If yes, copy them to the new > server. > (rdist can be usefull for helping if you have a lot of roogvg files) > - varyoffvg SAN volume groups > - exportvg SAN volume groups > > Cutover work - part 3 - SAN - SWING STORAGE > - unmask the luns from old server > - mask the luns to the new server > > Cutover work - part 4 - on new server > - cfgmgr > - your old luns are brought into the new server > - setup up multi-pathing??? > - importvg san volume groups > - mount filesystems > - startup/test TSM > - perform a reboot test > - shutdown TSM > - reboot AIX > - does every come up correctly??? > - filesystems mount > - tsm starts up > > That's it. > > Rick > > > > > > > > > goc > <[email protected] > > To > Sent by: "ADSM: [email protected] > Dist Stor cc > Manager" > <[email protected] Subject > .EDU> Re: Hardware upgrade question(s) > > > 01/28/2009 02:27 > PM > > > Please respond to > "ADSM: Dist Stor > Manager" > <[email protected] > .EDU> > > > > > > >> Do you currently have SAN storage on the old server? > > me : yes (xp12000) > >> Do you boot from the SAN storage, or is your rootvg on local/internal >> drives? > > me : no (hdisk0/hdisk1) > >> Are you keeping that SAN storage, or replacing it also? > > me : keeping > >> If you currently use SAN storage, is your entire TSM db/log and any other >> filesystems on the SAN storage? > > me : yes > >> For example, we use internal disks for our boot volume (rootvg), so TSM > is >> installed and lives on the internal drives. Our TSM server db/log and >> other related filesystems are all on external SAN storage. >> >> Depending on your answers, your migration to the new server could be very >> easy . . . just a storage swing. >> >> Rick >> > > me : thank you, can you help me some more ? :-) > > > > ----------------------------------------- > The information contained in this message is intended only for the > personal and confidential use of the recipient(s) named above. If > the reader of this message is not the intended recipient or an > agent responsible for delivering it to the intended recipient, you > are hereby notified that you have received this document in error > and that any review, dissemination, distribution, or copying of > this message is strictly prohibited. If you have received this > communication in error, please notify us immediately, and delete > the original message. > -- George Carlin - "May the forces of evil become confused on the way to your house."
