Networker

Re: [Networker] cloning savesets resulted in partial clone

2003-02-05 03:46:02
Subject: Re: [Networker] cloning savesets resulted in partial clone
From: "Wood, R A (Bob)" <WoodR AT CHEVRONTEXACO DOT COM>
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Date: Wed, 5 Feb 2003 08:45:47 -0000
Chuck,
        Try recovering some files from the clone tape. Check what
Savesets are on the tape according to Networker. If you've got the space
and time, do a saveset recover from the clone tape and run a compare
with the original. 

        Your backups are your backstop, you can't afford to have doubts
about their integrity. If you are at all suspicious, do a restore to
check.

Regards
Bob 

-----Original Message-----
From: Chuck Davis [mailto:networker AT DMSS.ARMY DOT MIL] 
Sent: 04 February 2003 22:51
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Subject: [Networker] cloning savesets resulted in partial clone


Networkers,

I just ran into a serious problem when cloning savesets:

I have 2 tape drives.  client parallellism=4, server parallellism=8.  I
ran a full backup of 2 clients and data was streaming to both drives.
As tapes would fill, some savesets were continued on 2nd tape.  The 2
clients had savesets written on a total of 3 tapes.  No problem.

When I used the gui to clone the savesets (selecting saveset clone not
volume clone) I was presented with the list of savesets.  I cloned them,
however, only 2 source tapes were used and it all wrote to 1 tape.  (H/W
compression is on both drives.)  It appears that savesets that spanned
volumes did not have the data from the spanned volume cloned.  The
clone, which filled 2+ tapes, fit on less than 1 tape.  When I look at
the volumes (using gui) all 3 volumes list the savesets as cloned.
However I KNOW that the 3rd tape was never loaded.  The "completed"
clone tape is 95GB.  Tapes 1 and 2 together are 188GB (tape 3 is another
30GB).

Is there an explaination for this networker behaviour?

Thanks

Chuck Davis
Walter Reed Army Medical Center

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------------------------------------------------------------------------------
This note is to advise you, as required by United Kingdom legislation, namely 
The Telecommunications (Lawful Business Practice)(Interception of 
Communications) Regulations 2000, that any email messages generated, received, 
or stored on the email systems of ChevronTexaco may be intercepted by 
ChevronTexaco, as the system controller.

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