#Extremely dumb timezone question

13 messages · Page 1 of 1 (latest)

lunar reef
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Nope.. the timezone setting should not "break" anything... but if you are using CIFS and you clock skew typically 5 mins. off your DC, you will get issues because or kerberos...

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...your logfiles might look strange for an hour...

inland flame
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Everything goes off of UTC/GMT anyway

In ONTAP, check with

date -u

In windows powershell

(Get-Date).ToUniversalTime()

Compare them. Timezone just make it easier for a human

lunar reef
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Yep... but I am pretty sure the event log is show as just a date+time... doesn't it get a bit confused if you modify your TZ? or does the event log... command take case of that?

inland flame
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Ah. Log files are generally based on whatever timezone you use!

When we “secure” environments, one of the requirements is to make sure everything is left at UTC/GMT. This is done so that all log files are or should be on equal footing for time correlation. Easier to match up when events occurr

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And if you want to use timezone shortcuts and you use daylight savings, you can use (in the USA anyway)

EST5EDT
CST6CDT
MST7MDT
PST8PDT

serene dust
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also local (snapshot) schedules go after the configured time zone, i.e. if you do snapshots at 10:00 AM and at 9:50 you change the timezone, and suddenly it's 10:50 for the system, the 10:00 snapshot will be missed

viral shoal
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and that was the issue, there is a business process that actually takes data from a scheduled snapshot

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the timezone was corrected, but we noticed some of our scheduled jobs are still firing off an hour later, which is strange

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the midnight daily snapshot job fired off at 1am

serene dust
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depends on where they're triggered: on the ONTAP system itself, on a management host, in SnapCenter, OTV, etc. ...

viral shoal
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On the ONTAP system itself

viral shoal
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I hope I don't have to recreate and reapply all my schedules in job schedule cron