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September 01, 2017

Steps for a Final Shutdown

Kane-death-deadlineWe're hearing a story about pulling the next-to-last application off an HP 3000 that's run a port facility. At some point, every HP 3000 has to be guided into dock for the last time. These are business critical systems with sensitive data—which requires a rigorous shutdown for sending a 3000 into a salvage yard.

While this is a sad time for the IT expert who's built a career on MPE expertise, doing a shutdown by the numbers is in keeping with the rest of the professional skill-set you can expect from a 3000 manager. I am reminded of the line from Citizen Kane. "Then, as it must for every man, death came to Charles Foster Kane." Nothing escapes death, but a proper burial seems in order for such a legendary system.

Chris Bartram, whose 3k Associates website offers a fine list of public domain MPE/iX software, has chronicled all the details of turning off an HP 3000. "I have performed last rites for a 9x8 server at a customer site," he says, "and have been through the exercise a couple times before."

There are 10 steps that Bartram does before switching off the 3000's power button for the last time.

Bartram reported that he first purged all accounts except sys, hpspool, and 3000devs (and had to log off all jobs, shut down the network, and disable system UDCs to do that). Then:

2) Reset/blanked all system passwords (groups, users, accounts)

3) Purged all groups from SYS account that I could (aside from in-use groups) as well as all users except MANAGER.SYS,OPERATOR.SYS, MANAGER.HPSPOOL.

4) Went through PUB.SYS listf (file by file) looking for anything that might be a job stream or contain user data (or anything not critical to keeping the system up) and PURGEd it

5) Went into VOLUTIL and condensed my discs

6) Created a group called JUNK.SYS (you would need to do this on each volset; this box only had the system vol set)

7) Wrote and ran a short script that copied NL.PUB.SYS (the largest file remaining on the system) into JUNK.SYS in a loop using filenames A####### and X####### until all disc space was used up

8) Typed the command PURGEGROUP JUNK.SYS

9) Went into NMMGR and changed IP addresses on the box to something bland/different; including the default gateway (also deleted any entries in the NS directory if there are any)

10) Sequentially PURGE @.GROUP.ACCT for all groups (leaving PUB.SYS until last)

11) Shut down the box.

10:23 AM in Hidden Value, Homesteading, Migration | Permalink

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