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 Post subject: Space usage and reclamation
PostPosted: Mon Feb 25, 2013 9:02 pm 

Joined: Fri Oct 12, 2012 6:51 pm
Posts: 12
Hi,

Was wondering if anyone knows what the Columns Grown_Usr_MB and Reclaimed_Usr_MB mean?

Does this relate to how much the VV has grown and space reclaimed in a particular timeframe?

Thanks.


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 Post subject: Re: Space usage and reclamation
PostPosted: Wed Mar 06, 2013 6:58 am 

Joined: Mon Aug 20, 2012 1:54 pm
Posts: 33
Location: Atlanta, GA
Looking at:
Code:
clihelp -col showvv

it describes
Quote:
Grown_Usr_MB
Amount of user space that the volume has grown.
Reclaimed_Usr_MB
Amount of user space that the volume has had reclaimed.


This would have to be counters based on VV inception as there is no way to specify a timeframe for a showvv command. I would imagine this command might be useful to gauge how actively a volume grows/shrinks. To put another way, if a volume is only growing and never shrinking, do you want the overhead of having zero detect turned on?

I've never used these values so I am only speculating.


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 Post subject: Re: Space usage and reclamation
PostPosted: Tue Jan 02, 2018 8:14 am 

Joined: Thu May 28, 2015 3:45 am
Posts: 18
Does anyone know for certain how to evaluate these fields?

For example:

Name Adm_Used_MB Grown_Adm_MB Snp_Used_MB Grown_Snp_MB Usr_Used_MB Grown_Usr_MB
VolX 4123 0 0 16896 3190875 14298112
VolY 5080 0 0 8192 7508887 12539392
VolZ 3450 0 0 33280 3047887 11702784

If these fields are recorded from volume inception, is it possible to reset the counters so you can monitor growth?

Is there any other way to spot a growth trend, does the SSMC offer this?


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 Post subject: Re: Space usage and reclamation
PostPosted: Tue Jan 02, 2018 11:40 am 

Joined: Wed Nov 19, 2014 5:14 am
Posts: 505
Could you not use srcpgspace and srvvspace and pull the historical data over a given time frame from the onboard system reporter database ?


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