Networker

[Networker] Need help with scanner

2010-02-23 19:21:47
Subject: [Networker] Need help with scanner
From: George Sinclair <George.Sinclair AT NOAA DOT GOV>
To: NETWORKER AT LISTSERV.TEMPLE DOT EDU
Date: Tue, 23 Feb 2010 19:19:04 -0500
Hi,

I have a save set from a Windows box that was written to LTO-3 tape on NW backup server A (ran 7.2.2). I'd like to run the following two tests recovering that data using NW server B (runs 7.5). In both cases, the data will be recovered to the same Windows box:

1. save set recover
2. browsable recover

Server B doesn't know anything about this tape, however, and it doesn't have access to the LTO-3 tape library that server A used. I can move the tape over to server B's LTO-4 tape library, though (backward read compatible).

For test 1, I would use scanner to scan in the particular save set and then rebuild the media index for that save set and then use recover to perform a save set recover? Are these steps correct:

On server B
1. Manually load tape in LTO-4 drive
2. scanner -m -S ssid device_path (determine ssid from server A)
3. recover -S ssid (Unix command).

That it? Not sure how to do save set recover on Windows?


Questions:
1. I assume step 2 will create a volume entry for the tape, but with just that one save set?

2. Also, by specifying the ssid, will scanner forward through the tape to that specific save set, or will it read through all the data on the tape to get there? In other words, will the physical tape positioning be just as fast as it will be when I run save set recover?

3. How do I do perform test 2 using browsable recover? The LTO-3 tape that has the client index can be also be moved and scanned, but not sure how to use 'nsrck -L7' for a tape that server B doesn't know about? Also, that index was created on server A that was running 7.2.2. I have the same client on server B. Different clientid, but I can change it to match if this will be necessary?

Thanks.

George


--
George Sinclair
Voice: (301) 713-3284 x210
- The preceding message is personal and does not reflect any official or unofficial position of the United States Department of Commerce -
- Any opinions expressed in this message are NOT those of the US Govt. -

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