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 Post subject: System Tasks
PostPosted: Wed Jan 30, 2013 9:07 am 

Joined: Wed Jan 30, 2013 9:02 am
Posts: 6
Hi,

I'm wondering if someone can explain the following system tasks that I have noticed running on both of our V400's

remove_expired_vvs
check_slow_disk

They both appear to run every hour, and we haven't noticed them running before so are wondering if these are regular system tasks or whether they are running as a consequence of anything we have done recently

We have migrated about 6 VV per V400 between a NL CPG and a FC CPG so were wondering if this is anything to do with that?

I've searched this forum and various others but can't seem to find any conclusive answer at the moment!


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 Post subject: Re: System Tasks
PostPosted: Fri Feb 01, 2013 6:30 am 

Joined: Wed Jan 30, 2013 9:02 am
Posts: 6
Does anyone have any ideas?

Thanks in advance

:)


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 Post subject: Re: System Tasks
PostPosted: Fri Feb 01, 2013 8:19 am 

Joined: Mon Dec 12, 2011 5:08 am
Posts: 77
They are system tasks and i see them running on my systems all the time.

remove_expired_vvs = Removed volumes that has expired , you can set a expire date on volumes or snapshots and they will be removed with this task.

And i think that the Check_slow_disk = Will check the IOPS on each drive and report back if they are not performing as they should. ( Might also have something to do with where the system will create chunklets to balance the system as it grows )


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 Post subject: Re: System Tasks
PostPosted: Fri Feb 01, 2013 10:53 am 

Joined: Wed Jan 30, 2013 9:02 am
Posts: 6
Great, thanks for the reply

Should be nothing to worry about then!


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