Networker

Re: [Networker] Two questions about scanner?

2005-07-27 14:48:48
Subject: Re: [Networker] Two questions about scanner?
From: Tim Mooney <mooney AT DOGBERT.CC.NDSU.NODAK DOT EDU>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Wed, 27 Jul 2005 13:44:41 -0500
In regard to: [Networker] Two questions about scanner?, George Sinclair...:

Two questions here about scanner command:

I'm not sure about the first question; it's possible that scanner will
continue (in the face of tape errors) even when recover would fail, but
that's just a guess.

2. In the event that you wanted to update the index with files from a saveset that was somehow removed from the database then looks like scanner will do that if you have the tape, but why not just use 'nsrck -L7'?

-L7 just loads in what was saved in an index save (on your server) for
the client in question.  What happens if the tape that contains the index
saveset is gone, but the tape that contains the actual data is still
present?

scanner actually recreates the index based on the tape contents.  -L7 just
loads in the index data from a previous backup of the client index.
That's why it's so much faster and should be your first choice.  Scanner
can recreate a client index from scratch if need be.

Tim
--
Tim Mooney                              mooney AT dogbert.cc.ndsu.NoDak DOT edu
Information Technology Services         (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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