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Time of Day Question

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Operating Systems AIX Time of Day Question
# 1  
Old 03-01-2012
Time of Day Question
I have a question i need clarification. We had a problem on a p520 system and had to pull the battery on the service processor card. That did the trick and system booted. We forgot to set the time in the service processor before booting. Once AIX was booted we changed the date and time there.

Will the system have the correct time if it is rebooted? Should we change the time in ASMI? It is hard to schedule down time but we will if we have to change it to prevent it from being a problem in the future.

We only have one partition running on this and no HMC attached. I know changing the time in ASMI will require downtime.
# 2  
Old 03-02-2012
Your LPARs will keep the correct time even after a reboot. Your system time will still be off. You have to login to the ASMI to change it and I'm pretty sure it requires a reboot of the managed system after you change it. The time was off on our managed system for months and the only thing that it caused was when new LPARs were created, they took the system time by default and we always had to go in and change it. Other than that, we didn't have any problems. We did finally end up changing it when we did a disruptive microcode upgrade and we had all the LPARs down anyway.
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