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[Veritas-bu] NB tape handling during backup/duplication events
2005-05-17 08:10:38
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Subject: |
[Veritas-bu] NB tape handling during backup/duplication events |
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From: |
B.Parnell AT abertay.ac DOT uk (Parnell, Bill) |
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Date: |
Tue, 17 May 2005 13:10:38 +0100 |
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Hi All,
=20
I have a query regarding NetBackup and its media management during
Duplication / Backup events using tape drives.
=20
We have two LTO2 M1500 tape libraries from Quantum each with 2 x 12 tape
magazines and one drive.
We have one Master/Media server combo attached to these two libraries NB
5.0MP4
We have noticed that while duplication events are taking place, if we
require to add/remove tapes from the libraries and re-inventory them in
NetBackup media manager the tape that is in the drive is "forgotten"
about, so when it is finished with or another tape is requested
NetBackup and the M1500 get in a right tizzy as NetBackup no longer
knows about the tape and as such does not inform the library to remove
it from the drive and place it back in a magazine. The only way to get
the library functioning properly again is to manually move the tape to
an empty slot in one of the magazines using the tape move function of
the M1500. This is most incontinent as we have to wait for all
duplication events to finish before we can remove the magazines from the
libraries and add/remove tapes as required.
=20
Has anyone else had similar problems and how did you fix them?
Any help would be graciously received.
=20
Best Regards,
Bill.
--=20
+-------------------------------------------------------------------+
| Bill Parnell BSc (HONS) | Senior Information Specialist |
|-------------------------------------------------------------------|
| Information Services Email: B.Parnell AT abertay.ac DOT uk |
| Server Infrastructure Team. Phone: +44 (1382) 308846 |
| Room 3504 (Computer Centre) Fax: +44 (1382) 308808 |
| The University of Abertay Dundee, 40 Bell Street, Dundee. DD1 1HG |
+-------------------------------------------------------------------+
=20
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<DIV><FONT face=3DArial size=3D2><SPAN class=3D514060012-17052005>Hi=20
All,</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D514060012-17052005></SPAN></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D514060012-17052005>I have =
a query=20
regarding NetBackup and its media management during Duplication / Backup =
events=20
using tape drives.</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D514060012-17052005></SPAN></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D514060012-17052005>We =
have two LTO2=20
M1500 tape libraries from Quantum each with 2 x 12 tape magazines and =
one=20
drive.</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D514060012-17052005>We =
have one=20
Master/Media server combo attached to these two libraries NB=20
5.0MP4</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D514060012-17052005>We =
have noticed that=20
while duplication events are taking place, if we require to add/remove =
tapes=20
from the libraries and re-inventory them in NetBackup media manager the =
tape=20
that is in the drive is "forgotten" about, so when it is finished with =
or=20
another tape is requested NetBackup and the M1500 get in a right tizzy =
as=20
NetBackup no longer knows about the tape and as such does not inform the =
library=20
to remove it from the drive and place it back in a magazine. The =
only way=20
to get the library functioning properly again is to manually move the =
tape to an=20
empty slot in one of the magazines using the tape move function of the=20
M1500. This is most incontinent as we have to wait for all =
duplication=20
events to finish before we can remove the magazines from the libraries =
and=20
add/remove tapes as required.</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN=20
class=3D514060012-17052005></SPAN></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D514060012-17052005>Has =
anyone else had=20
similar problems and how did you fix them?</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2><SPAN class=3D514060012-17052005>Any =
help would be=20
graciously received.</SPAN></FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV align=3Dleft><FONT face=3D"Courier New" size=3D2>Best =
Regards,</FONT></DIV>
<DIV align=3Dleft><FONT face=3D"Courier New" size=3D2>Bill.</FONT></DIV>
<DIV align=3Dleft><FONT face=3D"Courier New" size=3D2>--=20
<BR>+-------------------------------------------------------------------+=
<BR>| =20
Bill Parnell BSc (HONS) | Senior =
Information=20
Specialist =20
|<BR>|-------------------------------------------------------------------=
|<BR>|=20
Information=20
Services  =
; =20
Email: <A =
href=3D"mailto:B.Parnell AT abertay.ac DOT uk">B.Parnell AT abertay.ac DOT
uk</A>=20
|<BR>| Server Infrastructure =
Team. =20
Phone: +44 (1382) 308846 |<BR>| Room =
3504=20
(Computer Centre) Fax: +44 =
(1382)=20
308808 |<BR>| The =
University of=20
Abertay Dundee, 40 Bell Street, Dundee. DD1 1HG=20
|<BR>+-------------------------------------------------------------------=
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