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Maybe someone else will know of an automated way.
A hack way would be to write a script that:
- uses tpreq to load the tape (e.g., $path/tpreq -ev $mediaid -d dlt -p
$poolname -f $hdr_tmpfile)
- mt -f to rewind
- dd if=$hdr_tmpfile bs=1024 | od -cx
- use tcopy to get the block size info
- mt -f to rewind
- tpunmount ot unmount
("mt" and "dd" are Unix commands - I don't know the Windows equivalents).
--
Drew Fabbro [fabbro.andrew AT cnf DOT com]
Unix Systems Group
Desk: 503-450-3374
Cell: 503-701-0369
-----Original Message-----
From: MOYES-CLARK,SHANNON (HP-FtCollins,ex1) [mailto:shannonm AT hp DOT com]
Sent: Thursday, July 31, 2003 11:08 AM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] Getting info on media format prior to backup
Hi all,
So I have this problem where media that is tar format (overwrite of tar
NOT set), or write protected or from another backup product where Netback up
can not read the media. Operators have loaded this media into the library
and then they get picked up in the backup and the backup with that tape
fails. I want to be able to test the media as to whether or not a backup
will be able to write to that media, all other factors not withstanding. On
other backup products I can ask the library to actually read the tape header
and tell me basic info so that I can chose to eject that tape and not let a
backup even try the media, or I can overwrite/erase that tape.
How do I do these things from Net Backup 4.5 (I do not have vault).
Thanks,
Shannon
Shannon J. Moyes Clark
Software Engineer
Storage Software Division
Hewlett Packard Company
shannon.moyes-clark AT hp DOT com < <mailto:shannon.moyes-clark AT hp DOT com
<mailto:shannon.moyes-clark AT hp DOT com> >>
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
All of that legal stuff about the opinions expressed here being mine and not
those of HP.
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<DIV><SPAN class=077394218-31072003><FONT face=Arial color=#0000ff size=2>Maybe
someone else will know of an automated way.</FONT></SPAN></DIV>
<DIV><SPAN class=077394218-31072003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=077394218-31072003><FONT face=Arial color=#0000ff size=2>A
hack
way would be to write a script that:</FONT></SPAN></DIV>
<DIV><SPAN class=077394218-31072003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=077394218-31072003><FONT face=Arial color=#0000ff size=2>-
uses
tpreq to </FONT></SPAN><SPAN class=077394218-31072003><FONT face=Arial
color=#0000ff size=2>load the tape (e.g., $path/tpreq -ev $mediaid -d dlt -p
$poolname -f $hdr_tmpfile)</FONT></SPAN></DIV>
<DIV><SPAN class=077394218-31072003><FONT face=Arial color=#0000ff size=2>- mt
-f to rewind</FONT></SPAN></DIV>
<DIV><SPAN class=077394218-31072003><FONT face=Arial color=#0000ff size=2>- dd
if=$hdr_tmpfile bs=1024 | od -cx<BR></FONT></SPAN><SPAN
class=077394218-31072003><FONT face=Arial color=#0000ff size=2>- use tcopy to
get the block size info</FONT></SPAN></DIV>
<DIV><SPAN class=077394218-31072003><FONT face=Arial color=#0000ff size=2>- mt
-f to rewind</FONT></SPAN></DIV>
<DIV><SPAN class=077394218-31072003><FONT face=Arial color=#0000ff size=2>-
tpunmount ot unmount</FONT></SPAN></DIV>
<DIV><SPAN class=077394218-31072003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=077394218-31072003><FONT face=Arial color=#0000ff size=2>("mt"
and "dd" are Unix commands - I don't know the Windows
equivalents).</FONT></SPAN></DIV>
<DIV><FONT face="Courier New" size=2><SPAN
class=077394218-31072003></SPAN></FONT> </DIV>
<DIV><FONT face="Courier New" size=2></FONT> </DIV>
<DIV><FONT face="Courier New" size=2>--</FONT> <BR><FONT face="Courier New"
size=2> Drew Fabbro [fabbro.andrew AT cnf DOT com]</FONT> <BR><FONT
face="Courier New" size=2> Unix Systems Group</FONT> <BR><FONT
face="Courier New" size=2> Desk: 503-450-3374</FONT> <BR><FONT
face="Courier New" size=2> Cell: 503-701-0369</FONT> </DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV></DIV>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left><FONT
face=Tahoma size=2>-----Original Message-----<BR><B>From:</B>
MOYES-CLARK,SHANNON (HP-FtCollins,ex1) [mailto:shannonm AT hp DOT com]
<BR><B>Sent:</B> Thursday, July 31, 2003 11:08 AM<BR><B>To:</B>
veritas-bu AT mailman.eng.auburn DOT edu<BR><B>Subject:</B> [Veritas-bu]
Getting info
on media format prior to backup<BR><BR></FONT></DIV>
<DIV>
<DIV><SPAN class=314335920-30072003><FONT face=Arial color=#0000ff size=2>Hi
all, </FONT></SPAN></DIV>
<DIV><SPAN class=314335920-30072003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=314335920-30072003><FONT face=Arial><FONT color=#0000ff
size=2> So I have this problem where media that is tar
format (overwrite of tar NOT set), or write protected or from another backup
product where Netback up can not read the media. Operators have loaded
this media into the library and then they get picked up in the backup and the
backup with that tape fails. I want to be able to test the media as to
whether or not a backup will be able to write to that media, all other
factors
not withstanding. On other backup products I can ask the library to
actually read the tape header and tell me basic info so that I can chose to
eject that tape and not let a backup even try the media, or I can
overwrite/erase that tape. </FONT></FONT></SPAN></DIV>
<DIV><SPAN class=314335920-30072003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=314335920-30072003><FONT face=Arial color=#0000ff size=2>How
do I do these things from Net Backup 4.5 (I do not have
vault).</FONT></SPAN></DIV>
<DIV><SPAN class=314335920-30072003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=314335920-30072003><FONT face=Arial color=#0000ff
size=2>Thanks,</FONT></SPAN></DIV>
<DIV><SPAN class=314335920-30072003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=314335920-30072003><SPAN class=109400518-31072003><FONT
face=Arial color=#0000ff size=2>Shannon</FONT></SPAN></SPAN></DIV></DIV><!--
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<P><FONT size=2>Shannon J. Moyes Clark<BR>Software Engineer<BR>Storage
Software Division<BR>Hewlett Packard Company<BR>shannon.moyes-clark AT hp DOT
com
< <<A
href="mailto:shannon.moyes-clark AT hp DOT com">mailto:shannon.moyes-clark AT
hp DOT com</A>>><BR>-
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -<BR>All of
that legal stuff about the opinions expressed here being mine and not those
of
HP.</FONT></P></BLOCKQUOTE></BODY></HTML>
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