Re: The Insane Operator has struck again
yvette hirth <yvette-RPrnXxQTqyxWk0Htik3J/[email protected]> Thu, 03 Jun 2010 14:09:35 +0000
| Newsgroups | gmane.comp.emulators.turnkey-mvs |
|---|---|
| Organization | The DBT Group, Inc. |
| Message-ID | <[email protected]> |
[email protected] wrote: > oh, and even with that, where I had input, I spec'd at least a 250 VA > class APC UPS (with line conditioning and surge protection) for the > computer systems in my department. yes, APC SmartUPS 2200's (4) are my poweroff plan. and speaking of backup: before you restart after a power failure, or a "three-fingah salute whoops forgot to shut down herc first", etc., run the cckdcdsk utility on all of your packs: cckdcdsk -3 -f <pack> <shadow(s), if it(they) exist> that'll ensure you don't have any dasd i/o irregularities before you restart and see a gazillion prompts that make for a real ugly ipl. on my 3.8j setup, i run a script that tests for shadow file existence and properly processes the dasd. looks like this: #!/bin/bash function check_disk { if [ -f $2 ] then cckdcdsk -3 -f $1 $2 else cckdcdsk -3 -f $1 fi } check_disk volum0_cckd.cuu volum0_01.sf check_disk volum1_cckd.cuu volum1_01.sf check_disk volum2_cckd.cuu volum2_01.sf ... every time i run it after a reboot where herc was still running, i see "free space error, fixed". yes, herc should do it as well, but i think it's better to find the errors before you restart, rather than during the restart process. of course this is a linux script (that may work for osx as well, i can't say one way or the other). y'all could create a dos batch file that does the same thing. hth yvette hirth