ADSM-L

Re: expire inventory - question on number of objects examined

2000-09-14 09:48:42
Subject: Re: expire inventory - question on number of objects examined
From: "Wu, Jie" <JWu AT NCTR.FDA DOT GOV>
Date: Thu, 14 Sep 2000 08:46:41 -0500
what if you marked a volume as detroyed? I mean if there are active files on
the volume, will the inventory expiration update the database so those
were-active files get picked up during the next backup?

Jie


> -----Original Message-----
> From: Thomas Denier [SMTP:Thomas.Denier AT MAIL.TJU DOT EDU]
> Sent: Wednesday, September 13, 2000 10:19 AM
> To:   ADSM-L AT VM.MARIST DOT EDU
> Subject:      Re: expire inventory - question on number of objects
> examined
>
> > What does the number of objects examined during inventory expiration
> > include?
>
> ADSM differentiates between active and inactive backup files. A backup
> file is
> always active when it first arrives from a client. A backup file changes
> to
> inactive when the ADSM server finds out that the corresponding client file
> has
> been updated or deleted. An inactive backup file is retained until
> inventory
> expiration processing discovers that it no longer meets the retention
> criteria
> for its management class. Earlier postings to this list indicate that
> information about active and inactive backup files is stored in different
> parts of the ADSM database, with different trade-offs between compactness
> and
> fast access. As far as I can tell, inventory expiration does not look at
> the
> portion of the database used for active backup files. On our system, the
> number of objects examined by inventory expiration is in good agreement
> with
> estimates of the number of inactive backup files. I am not sure how
> archived
> and space-managed files fit into this scheme of things. We currently have
> no
> space-managed files, and very few archived files in comparison to the
> number
> of inactive backup files.
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