ADSM-L

Re: Storage pool usage

2005-11-17 12:05:06
Subject: Re: Storage pool usage
From: Leigh Reed <L.Reed AT MDX.AC DOT UK>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Thu, 17 Nov 2005 17:03:57 +0000
Richard,

What did the accounting log say for the transfer ?
I know that you said there was no compression set, but it would be good
to know that the results from the accounting log for the session matched
that of what was reported in the activity log. You can check the
accounting log with the following

select bytes,entity,number from summary where entity='nodename' and
number=session number

Leigh

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Richard Mochnaczewski
Sent: 17 November 2005 15:57
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L] Storage pool usage

But I never saw any tapes being used by the backup process ?

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU]On Behalf Of
David E Ehresman
Sent: Thursday, November 17, 2005 10:30 AM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: [ADSM-L] Storage pool usage


The client sends an estimate of the amount of data it is sending.  If a
file is calculated to be too big to fit in the 1st storagepool, it is
written to the 2ndard stgpool (usually tape) instead.

>>> Richard.Mochnaczewski AT STANDARDLIFE DOT CA 11/17/05 10:22 AM >>>
Hi *,

I have a 300Gb storage pool which I used last night to send a 306Gb
Oracle database using RMAN ( no compression on the backup ). I checked
the usage of the storage pool after the backup, and it only shows 60%
used. However,I checked the activity log and I condfirmed that 306Gb of
data was sent to the server and I did a q con on the volumes in the
storage pool and all the files are there. Shouldn't the storage pool
show 100% used ? No migrations ever happened during the backup the whole
time it ran. Shouldn't a migration to tape have kicked off as I had
exceeded the storage pool capacity ( we set migration to 100 during the
night to not allow migrations unless absolutely necessary ) ?

Rich

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