Re: [Networker] Determining Block Sizes

I'm sure you know this, but,

You dont have to run a whole scanner. If you let scanner run a "moment" or
two it will display the initial information and then go on to scan the tape
for Savesets etc. You can just crtl-c it at this stage.

Regards,
Riaan

-----Original Message-----
From: Fowler, Carter [mailto:CFowler AT LONDON DOT CA]
Sent: Tuesday, March 02, 2004 1:48 AM
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Subject: Re: [Networker] Determining Block Sizes


Thanks to everyone who responded.  I had forgotten that scanner reported
this fact.  I was hoping for something a tad quicker than scanner but
hey, if that works, it'll do in a pinch.

Cheers all,

Carter Fowler
Hardware Services Technician
City of London
600 - 380 Wellington St.
London, ON, CA, N6A 5B5
Off: 519.661.5711
Fax: 519.661.5408
cfowler AT london DOT ca


-----Original Message-----
From: Ivan Mason [mailto:ivan.mason AT OTAGO.AC DOT NZ]
Sent: Monday, March 01, 2004 4:25 PM
To: NETWORKER AT listmail.temple DOT edu
Subject: Re: Determining Block Sizes

You can use scanner which will show you the record (block) size that was
recorded when the tape was labelled. (Note that there are situations
where
tapes have been labelled in unit with one block size and then written to
on
a unit with a different size, but in general you should not see this
behaviour)

Example:

scanner -v \\.\Tape1 to list the tape

scanner: \\.\Tape1: opened for reading
scanner: \\.\Tape1: rewinding
scanner: Reading the label...
scanner: Reading the label done
scanner: scanning sdlt320 tape OU0053S on \\.\Tape1
scanner: volume id 4248658740 record size 131072
  created  2/26/04 16:08:36 expires  2/25/06 16:08:36
scanner: \\.\Tape1: rewinding
scanner: setting position from fn 0, rn 0 to fn 2, rn 0

scanner: Press:
        c<RETURN> to continue
        n<RETURN> to go to next volume
        q<RETURN> to quit
 >q
scanner: quitting
scanner: done with sdlt320 tape OU0053S

-----Original Message-----
From: Fowler, Carter [mailto:CFowler AT LONDON DOT CA]
Sent: Tuesday, 2 March 2004 7:26 a.m.
To: NETWORKER AT LISTMAIL.TEMPLE DOT EDU
Subject: [Networker] Determining Block Sizes

Good day.

We have a Win2K SP4 server with 9840s installed via an STK 9740
autochanger, NW 6.1.3.  I'm wondering if anyone knows of a utility
(reliable) that can query the media directly in order to determine the
block size.

I've use 3 or 4 different versions of the MT.EXE command and none of
them show the appropriate stats.  They show the drive's min / max values
but NOT the media's stats, at least not where block size is an issue.

Any suggestions are greatly appreciated.

Cheers,

Carter Fowler
Hardware Services Technician
Technology Services Division
Off: 519.661.5711
Fax: 519.661.5408
Em: cfowler AT london DOT ca

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