Thanks, Kris. That is good news. It saves me the time needed to create a multi-pack test system for the experiment.
Regards, Richard Schuh > -----Original Message----- > From: The IBM z/VM Operating System > [mailto:[EMAIL PROTECTED] On Behalf Of Kris Buelens > Sent: Friday, March 28, 2008 1:11 AM > To: IBMVM@LISTSERV.UARK.EDU > Subject: Re: CPOWNED Devices > > I tested this on one of our test machines: nothing gets lost > when a DASD is relabeled *and* the label change is applied to > SYSTEM CONFIG too. CP does indeed prompts for a FORCE start. > SPFPACK confirmed that I had files on the relabeled pack. > 13:27:17 The directory on volume VMBRS1 at address F1BC has > been brought online. > 13:27:17 HCPWRM9200E System recovery failure; configuration error. > 13:27:17 HCPASK9205A > HCPASK9205A Invalid warm start data encountered. > HCPASK9205A No files have been deleted yet. > HCPASK9205A To change to a FORCE start, enter FORCE. > HCPASK9205A To stop processing, enter STOP. > 13:27:35 FORCE > 13:27:36 HCPWRS2513I > HCPWRS2513I Spool files available 415 > 13:27:37 HCPWRS2512I Spooling initialization is complete. > 13:27:37 DASD F532 dump unit CP IPL pages 6611 > 13:27:37 HCPAAU2700I System gateway VMKBMB01 identified. > 13:27:37 z/VM Version 5 Release 3.0, Service Level 0701 (64-bit), > > 2008/3/28, Schuh, Richard <[EMAIL PROTECTED]>: > > The Oracle or one of its agents has spoken. Thanks, John. > > > > Would marking the disk as draining in the config file prevent the > > loss of anything caused by the timing of the detection of the > > difference that you describe? > > > > Another question, would backing up only files that are at least > > partially contained on the disk be sufficient? We are > talking about a > > spool system that normally fluctuates between 7000 and 18000 files, > > many of them quite large, and we are stuck with old tape > technology > > (3 tapes to contain a DDR of a 3390-03). It would be my > luck that it > > would be the higher number when my scheduled time arrived so that > > backing up the entire spool would take quite a bit of time. > > > > I envision a process like this: > > > > Before IPL (all can be done while the system is running) 1. DRAIN > > the disk, including update of SYSTEM CONFIG to indicate > that it was > > to be drained or draining at IPL. > > 2. Use SPFACK to identify files that have at least 1 block > on the pack. > > 3. PURGE unnecessary files. > > 4. Use SPXTAPE DUMP/LOAD to move the remaining files to the other > > spool volumes. > > 5. Reliable the pack. > > 6. Update the system config with the new volser. The pack would be > > left in the draining state. > > > > After IPL > > 1. FORCE start. > > 2. Update system config so that the disk is no longer draining. > > 3 Start the device. > > > > Would that be safe enough? If so, it would minimize the down time, > > which is a major consideration. I would also schedule the IPL to > > coincide with already scheduled activities that require > the system to be down. > > > > > > Regards, > > Richard Schuh > > > > > > > > > -----Original Message----- > > > From: The IBM z/VM Operating System > > > [mailto:[EMAIL PROTECTED] On Behalf Of John Franciscovich > > > Sent: Thursday, March 27, 2008 2:09 PM > To: > IBMVM@LISTSERV.UARK.EDU > > > Subject: Re: CPOWNED Devices > > >I've renamed spool volumes > > several times, four or more years > ago, but a > >force start was > > required. I don't recall whether it was > VM/ESA or z/VM. > > > >I would recommend a spool backup before attempting it. > And > if > > it is for > >a production system, then schedule enough > time to reload > > spool, if > >necessary. > > > > > > A FORCE start will be required since the new CP_Owned > list > does > > not match the CP_Owned list that was saved in the > > checkpoint area > > when you shut down your system. > > > > > > The spool files are restored from the warmstart area > during > IPL, > > so they should be ok. You do risk losing information > > that was saved > > in the checkpoint area that hasn't been > processed by the > time the > > difference in the CP_Owned list is detected. > > > > > > In any event, I agree that a spool file backup is a good idea > > > before attempting this change. > > > > > > John Franciscovich > > > z/VM Development > > > > > > > > -- > Kris Buelens, > IBM Belgium, VM customer support >
