Networker

Re: [Networker] Determining when a volume becomes recylable

2008-10-01 14:14:55
Subject: Re: [Networker] Determining when a volume becomes recylable
From: Tim Mooney <Tim.Mooney AT NDSU DOT EDU>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Wed, 1 Oct 2008 13:09:44 -0500
In regard to: [Networker] Determining when a volume becomes recylable,...:

mminfo -q volume=896597 -r
ssid,client,name,sscreate(18),ssretent(18),ssflags,state,volretent

And got back this (heavily snipped):


ssid      client     name                               ss created
retention time  ssflags state  expires
2677082318 admin_nt13 MSSQL:                         7/30/2008 08:35 PM
9/30/2008 11:59 PM vF          9/30/2008

SO, my question:

We see that the rentention on the volume expires 2008-09-30, and that this
particular saveset should have expired last night (it is 2008-10-01, as I
write this, past the retention time/date).

That's only true if there are no savesets that depend on this saveset.
Are you certain that's the case?

Also, savesets only expire as a result of nsrim being run (that happens
automatically, periodically).  If you run e.g.

        nsrim -Xv

and then re-run your mminfo query, are the results the same?

So why isn't this saveset
expired? No saveset on this volume has a "volretent" later than
2008-09-30.

Because something depends on this saveset.  It can't become recyclable
until all savesets that depend on it are also recyclable.

And why wouldn't the whole volume be recyclable, then? Why does it show as
"appendable"?

The whole volume can't be recyclable until all the savesets on it are
recyclable.  It's appendable because it's not recyclable, and it's not
full.

Tim
--
Tim Mooney                                             Tim.Mooney AT ndsu DOT 
edu
Enterprise Computing & Infrastructure                  701-231-1076 (Voice)
Room 242-J6, IACC Building                             701-231-8541 (Fax)
North Dakota State University, Fargo, ND 58105-5164

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