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The on-tape label is used, too, for standalone, AVR, type drives.
-M
-----Original Message-----
From: Nash, Ebon [mailto:Ebon_Nash AT compuware DOT com]
Sent: Thursday, May 29, 2003 2:14 PM
To: 'Donaldson, Mark'; 'MOYES-CLARK,SHANNON (HP-FtCollins,ex1)';
'veritas-bu AT mailman.eng.auburn DOT edu'
Subject: RE: [Veritas-bu] Media Unique ID - from Media GUID
It is my understanding the mediaid created using bplabel is not important to
NetBackup. If you are using a library with barcode labels on the media,
then that is what NetBackup uses. If the label you gave it using bplabel,
mismatches the barcode label, NetBackup uses the barcode label. The only
thing I am aware of bplabel doing is preparing a tape with non-netbackup
data to be used with Netbackup, or secondly, if a barcode label comes off
the media you can easily find out what barcode label should be on the tape.
Can anyone reaffirm this?
Ebon Nash
-----Original Message-----
From: Donaldson, Mark [mailto:Mark.Donaldson AT experianems DOT com]
Sent: Thursday, May 29, 2003 3:31 PM
To: 'MOYES-CLARK,SHANNON (HP-FtCollins,ex1)'; Donaldson, Mark;
'veritas-bu AT mailman.eng.auburn DOT edu'
Subject: RE: [Veritas-bu] Media Unique ID - from Media GUID
I don't think there is a "truly unique ID". It's all just the Volume label.
That why each media server must be managing a unique set of ID's. In other
words, if the media servers are sharing a common master, then the volume
ID's must be unique within that set of servers. Don't duplicate ID's.
The Vol DB then, on the master server, knows about all the tapes that can be
used by all the different media servers. When a tape is assigned to a media
server, then the volume ID entry is made in that media servers media
database. When the tape is unassigned, it'll be removed. Don't label two
pieces of media the same name if it's got a common master server.
I'd go on to say that if you've got more than one master server, to still
not duplicate labels. Operationally, you're just begging them to be mixed
up. "And which tape 000001 do you want inserted?".
-M
-----Original Message-----
From: MOYES-CLARK,SHANNON (HP-FtCollins,ex1) [mailto:shannonm AT hp DOT com]
Sent: Thursday, May 29, 2003 1:25 PM
To: 'Donaldson, Mark'; MOYES-CLARK,SHANNON (HP-FtCollins,ex1);
'veritas-bu AT mailman.eng.auburn DOT edu'
Subject: [Veritas-bu] Media Unique ID - from Media GUID
Hi all
You are right, my bad - the media database not the Volume Database. The
GUID would be the unique id of the media. Can I label two pieces of media
with the same name via "bplabel"? How then does Net Backup tell them apart?
There must be some truly unique id on each piece of labeled media, right?
How would I get that unique name.
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.
-----Original Message-----
From: Donaldson, Mark [mailto:Mark.Donaldson AT experianems DOT com]
Sent: Thursday, May 29, 2003 12:21 PM
To: 'MOYES-CLARK,SHANNON (HP-FtCollins,ex1)';
'veritas-bu AT mailman.eng.auburn DOT edu'
Subject: RE: [Veritas-bu] Media GUID's
The volume database is on the master server so it's common to the two media
servers. Each media server has it's own media database but that's
different. Use labels such that no two are the same between media servers.
GUID? I don't recognize the acronym.
Almost everything you want to know about a given piece of media is available
from the "vmquery" command which queries the Vol DB on the master server.
HTH - Mark
-----Original Message-----
From: MOYES-CLARK,SHANNON (HP-FtCollins,ex1) [mailto:shannonm AT hp DOT com]
Sent: Thursday, May 29, 2003 10:38 AM
To: 'veritas-bu AT mailman.eng.auburn DOT edu'
Subject: [Veritas-bu] Media GUID's
Hi all,
So if I have two media servers and one master server and they each have
their own volume database, it is possible to get media with the same label.
Is it possible / how do I get the GUID for a given piece of media from the
command line?
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.
The contents of this e-mail are intended for the named addressee only. It
contains information that may be confidential. Unless you are the named
addressee or an authorized designee, you may not copy or use it, or disclose
it to anyone else. If you received it in error please notify us immediately
and then destroy it.
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<DIV><SPAN class=271111720-29052003><FONT face=Arial color=#0000ff size=2>The
on-tape label is used, too, for standalone, AVR, type
drives.</FONT></SPAN></DIV>
<DIV><SPAN class=271111720-29052003><FONT face=Arial color=#0000ff
size=2>-M</FONT></SPAN></DIV>
<BLOCKQUOTE>
<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B> Nash, Ebon
[mailto:Ebon_Nash AT compuware DOT com]<BR><B>Sent:</B> Thursday, May 29,
2003 2:14
PM<BR><B>To:</B> 'Donaldson, Mark'; 'MOYES-CLARK,SHANNON (HP-FtCollins,ex1)';
'veritas-bu AT mailman.eng.auburn DOT edu'<BR><B>Subject:</B> RE:
[Veritas-bu] Media
Unique ID - from Media GUID<BR><BR></FONT></DIV>
<DIV><SPAN class=721400920-29052003><FONT face=Arial color=#0000ff size=2>It
is my understanding the mediaid created using bplabel is not important
to
NetBackup. If you are using a library with barcode labels on the media,
then that is what NetBackup uses. If the label you gave it using
bplabel, mismatches the barcode label, NetBackup uses the barcode
label.
The only thing I am aware of bplabel doing is preparing a tape with
non-netbackup data to be used with Netbackup, or secondly, if a
barcode label comes off the media you can easily find out what barcode label
should be on the tape. Can anyone reaffirm this?</FONT></SPAN></DIV>
<DIV><SPAN class=721400920-29052003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=721400920-29052003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=721400920-29052003><FONT face=Arial color=#0000ff
size=2>Ebon
Nash</FONT></SPAN></DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma
size=2>-----Original Message-----<BR><B>From:</B> Donaldson, Mark
[mailto:Mark.Donaldson AT experianems DOT com]<BR><B>Sent:</B> Thursday,
May 29,
2003 3:31 PM<BR><B>To:</B> 'MOYES-CLARK,SHANNON (HP-FtCollins,ex1)';
Donaldson, Mark; 'veritas-bu AT mailman.eng.auburn DOT
edu'<BR><B>Subject:</B> RE:
[Veritas-bu] Media Unique ID - from Media GUID<BR><BR></FONT></DIV>
<DIV><SPAN class=733512519-29052003><FONT face=Arial color=#0000ff size=2>I
don't think there is a "truly unique ID". It's all just the Volume
label. That why each media server must be managing a unique set of
ID's. In other words, if the media servers are sharing a common
master, then the volume ID's must be unique within that set of
servers. Don't duplicate ID's.</FONT></SPAN></DIV>
<DIV><SPAN class=733512519-29052003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=733512519-29052003><FONT face=Arial color=#0000ff
size=2>The Vol DB then, on the master server, knows about all the tapes
that
can be used by all the different media servers. When a tape is
assigned to a media server, then the volume ID entry is made in that media
servers media database. When the tape is unassigned, it'll be
removed. Don't label two pieces of media the same name if it's got
a common master server.</FONT></SPAN></DIV>
<DIV><SPAN class=733512519-29052003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=733512519-29052003><FONT face=Arial color=#0000ff
size=2>I'd go on to say that if you've got more than one master server, to
still not duplicate labels. Operationally, you're just begging them
to
be mixed up. "And which tape 000001 do you want
inserted?".</FONT></SPAN></DIV>
<DIV><SPAN class=733512519-29052003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=733512519-29052003><FONT face=Arial color=#0000ff
size=2>-M</FONT></SPAN></DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader 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, May
29, 2003 1:25 PM<BR><B>To:</B> 'Donaldson, Mark'; MOYES-CLARK,SHANNON
(HP-FtCollins,ex1); 'veritas-bu AT mailman.eng.auburn DOT
edu'<BR><B>Subject:</B>
[Veritas-bu] Media Unique ID - from Media GUID<BR><BR></FONT></DIV>
<DIV><SPAN class=112441319-29052003><FONT face=Arial color=#0000ff
size=2>Hi all</FONT></SPAN></DIV>
<DIV><SPAN class=112441319-29052003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=112441319-29052003><FONT face=Arial color=#0000ff
size=2>You are right, my bad - the media database not the Volume
Database. The GUID would be the unique id of the media. Can
I label two pieces of media with the same name via "bplabel"?
How then does Net Backup tell them apart? There must be some truly
unique id on each piece of labeled media, right? How would I get
that unique name.</FONT></SPAN></DIV>
<DIV><SPAN class=112441319-29052003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=112441319-29052003><FONT face=Arial color=#0000ff
size=2>Shannon</FONT></SPAN></DIV>
<DIV> </DIV>
<DIV> </DIV><!-- Converted from text/plain format -->
<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.<BR> </FONT> </P>
<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>
Donaldson,
Mark [mailto:Mark.Donaldson AT experianems DOT com] <BR><B>Sent:</B>
Thursday,
May 29, 2003 12:21 PM<BR><B>To:</B> 'MOYES-CLARK,SHANNON
(HP-FtCollins,ex1)';
'veritas-bu AT mailman.eng.auburn DOT edu'<BR><B>Subject:</B> RE:
[Veritas-bu]
Media GUID's<BR><BR></FONT></DIV>
<DIV><SPAN class=665461818-29052003><FONT face=Arial color=#0000ff
size=2>The volume database is on the master server so it's common to
the
two media servers. Each media server has it's own media database
but that's different. Use labels such that no two are the same
between media servers.</FONT></SPAN></DIV>
<DIV><SPAN class=665461818-29052003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=665461818-29052003><FONT face=Arial color=#0000ff
size=2>GUID? I don't recognize the acronym.</FONT></SPAN></DIV>
<DIV><SPAN class=665461818-29052003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=665461818-29052003><FONT face=Arial color=#0000ff
size=2>Almost everything you want to know about a given piece of media
is available from the "vmquery" command which queries the Vol DB on the
master server.</FONT></SPAN></DIV>
<DIV><SPAN class=665461818-29052003><FONT face=Arial color=#0000ff
size=2></FONT></SPAN> </DIV>
<DIV><SPAN class=665461818-29052003><FONT face=Arial color=#0000ff
size=2>HTH - Mark</FONT></SPAN></DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader 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,
May 29, 2003 10:38 AM<BR><B>To:</B>
'veritas-bu AT mailman.eng.auburn DOT edu'<BR><B>Subject:</B>
[Veritas-bu]
Media GUID's<BR><BR></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=811043616-29052003>Hi all,</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=811043616-29052003></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=811043616-29052003> So if I have two media
servers and one master server and they each have their own volume
database, it is possible to get media with the same label. Is
it
possible / how do I get the GUID for a given piece of media from the
command line?</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=811043616-29052003></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=811043616-29052003>Thanks,</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=811043616-29052003></SPAN></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2><SPAN
class=811043616-29052003>Shannon</SPAN></FONT></DIV>
<DIV><FONT face=Arial color=#0000ff size=2></FONT> </DIV>
<DIV><FONT face=Arial color=#0000ff size=2></FONT> </DIV><!--
Converted from text/plain format -->
<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></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE><BR><BR><BR>
<P><B><FONT face=Arial size=2>The contents of this e-mail are intended for
the
named addressee only. It contains information that may be confidential.
Unless
you are the named addressee or an authorized designee, you may not copy or
use
it, or disclose it to anyone else. If you received it in error please notify
us immediately and then destroy it.</FONT></B>
</P><BR></BLOCKQUOTE></BODY></HTML>
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