ADSM-L

Re: Plea for Clarification of example in AIX Admin Guide

1997-04-10 08:42:23
Subject: Re: Plea for Clarification of example in AIX Admin Guide
From: Andrew Raibeck <storman AT US.IBM DOT COM>
Date: Thu, 10 Apr 1997 08:42:23 -0400
Classification:
Prologue:
Epilogue:

As long as the file exists on the client, the active version is always the most
recent version. If/when the file is backed up again, the pre-existing active
version becomes inactive, and the new version becomes the active version. Thus,
as you've already surmised, the "VEREXISTS=5" is correct.

If you delete the file from the client, then run another incremental backup,
ADSM detects that the file no longer exists on the client and changes the
active version to inactive. Also at this time, the VERDELETED and RETONLY
options go into effect. Thus if the goal is to retain up to 3 inactive versions
when the original file is deleted, the VERDELETED should be set to 3. So I'd
say that the example is wrong in this case.

Andy Raibeck
ADSM Level 2 Support
---------------------- Forwarded by Andrew Raibeck/San Jose/IBM on 04-10-97
04:32 AM ---------------------------
04:32 AM ---------------------------

        owner-adsm-l @ VM.MARIST.EDU
        04-09-97 05:53 PM
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cc:
Subject: Plea for Clarification of example in AIX Admin Guide

From: Peter Thomas on 04/09/97 07:47 PM

Looking through the AIX Admin. Guide, I come across the following example
(6.7.5
Defining and Updating a Backup Copy Group)...

Define a backup copy group belonging to the MCENG management class in the
STANDARD
policy set belonging to the ENGPOLDOM policy domain.  This new copy group
must
do the following:

Let users back up changed files, regardless of how much time has elapsed
  since the last backup
Retain up to 4 inactive backup versions when the original file resides on
  the user workstation
Retain up to 3 inactive backup versions when the original file is deleted
  from the user workstation
Retain extra inactive backup versions for 90 days
If there is only one backup version, retain it for 600 days
Prevent files from being backed up if they are in use
Store files in the ENGBACK1 storage pool

To define the backup copy group, enter:

+------------------------------------------------------------------------+
?                                                                        ?
?                                                                        ?
?   define copygroup engpoldom standard mceng standard -                 ?
?   destination=engback1 serialization=static -                          ?
?   verexists=5 verdeleted=4 retextra=90 retonly=600                     ?
?                                                                        ?
?                                                                        ?
+------------------------------------------------------------------------+

Should the verexists be 5 as coded or 4? (Is the "Active" version counted
seperately from the "inactive"?)

In a similar manner, should verdeleted be 4 or 3?

Confused...

Peter Thomas
Manulife Financial
Phone: (416)963-7371
Fax: (416)926-5454
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