Veritas-bu

[Veritas-bu] TAPE Alert Cleaning with SDLT220/320 Tape Drives

2003-01-17 14:19:35
Subject: [Veritas-bu] TAPE Alert Cleaning with SDLT220/320 Tape Drives
From: scott.kendall AT abbott DOT com (scott.kendall AT abbott DOT com)
Date: Fri, 17 Jan 2003 13:19:35 -0600
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there are a lot of posts on this.

in a nutshell...

- until recently, tape alert was always on and couldn't be turned off.

- 3.4.1=5F4a and 4.5=5F1 added the ability to add a touch file to turn off =

tape alert. it is still on by default.
/usr/openv/volmgr/database/NO=5FTAPEALERT or C:\program=20
files\volmgr\database\NO=5FTAPEALERT

- if you decide to use the autoclean feature of the library, the tapes=20
need to be in the reserved area.  netbackup will NOT know about them.

- if you decide to use netbackup, frequency based or tape alert, the tapes =

need to be in a regular slot and configured as the appropriate type of=20
cleaning tape within netbackup.  the library will NOT use these tapes for=20
the autoclean feature of the library.

- you can have problems with SSO not releasing drives, which is related to =

tape cleaning.  from release notes when NO=5FTAPEALERT was added... If a=20
TapeAlert-based cleaning was initiated by ltid or avrd for an ACS, TLH, or =

an LMF drive, the drives would never get released by the vmd/DA. Since=20
these robot types clean themselves, we do not need to initiate cleaning.=20
If TapeAlert-based cleaning was initiated by ltid or avrd for non-API SSO=20
robots and no cleaning media was available, or the number of cleanings was =

0, the drives would never get released by the vmd/DA.


My 2=A2, pick one or the other but don't do both.  with L700, library=20
cleaning (hardware-based) seems to work best.  remove all cleaning tapes=20
from netbackup AND disable tape alert to avoid SSO problems.


- Scott







Klaus.Micheler AT infineon DOT com
Sent by: veritas-bu-admin AT mailman.eng.auburn DOT edu
01/17/2003 09:00 AM

=20
        To:     veritas-bu AT mailman.eng.auburn DOT edu
        cc:=20
        Subject:        [Veritas-bu] TAPE Alert Cleaning with SDLT220/320 T=
ape Drives


Hi!

I have an L700e Tape Library with DLT7000 and SDLT320 Tape drives.
Up to now I use frequency based cleaning for the DLT7000 Tape Drives
(cleaning frequency 250 hours)with a labeled cleaning tape in the=20
unreserved
library cells.

But for Super DLT Drives its not recommended to use frequency based
cleaning.
How can I enable TapeAlert for automatically cleaning through netbackup?

The autoclean option in the L700e library will only be turned on, if I
insert cleaning tapes in the reserved cells. But if this is done, I use=20
the
robotic based TapeAlert Cleaning and not the TapeAlert Cleaning through
Netbackup.

Any ideas how to enable TapeAlert with Netbackup 4.5 (Patch 2)??

Regards and thanks in advance,
Klaus Micheler
Infineon Technologies

-----Original Message-----
From: James Mcdonald [mailto:jmcdon23 AT csc.com DOT au]=20
Sent: Freitag, 17. J=E4nner 2003 12:51
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] AIX 5.1 & 9940B drivers


Hi

In order to get NBU  up and running have been trying to get  AIX 5.1=20
drivers
for STK 9940B tap drives - but according to the STK website only AIX 4.x=20
is
supported. Anybody resolved this issue? So for have not managed to get
anything meaningful from the local STK reps.


Regards
Jim McDonald
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<br><font size=3D2 face=3D"Arial">there are a lot of posts on this.</font>
<br>
<br><font size=3D2 face=3D"Arial">in a nutshell...</font>
<br>
<br><font size=3D2 face=3D"Arial">- until recently, tape alert was always o=
n and couldn't be turned off.</font>
<br>
<br><font size=3D2 face=3D"Arial">- 3.4.1=5F4a and 4.5=5F1 added the abilit=
y to add a touch file to turn off tape alert. it is still on by default.</f=
ont>
<br><font size=3D2><tt>/usr/openv/volmgr/database/NO=5FTAPEALERT or C:\prog=
ram files\volmgr\database\NO=5FTAPEALERT</tt></font>
<br>
<br><font size=3D2><tt>- if you decide to use the autoclean feature of the =
library, the tapes need to be in the reserved area. &nbsp;netbackup will NO=
T know about them.</tt></font>
<br>
<br><font size=3D2><tt>- if you decide to use netbackup, frequency based or=
 tape alert, the tapes need to be in a regular slot and configured as the a=
ppropriate type of cleaning tape within netbackup. &nbsp;the library will N=
OT use these tapes for the autoclean feature of the library.</tt></font>
<br>
<br><font size=3D2><tt>- you can have problems with SSO not releasing drive=
s, which is related to tape cleaning. &nbsp;from release notes when NO=5FTA=
PEALERT was added... If a TapeAlert-based cleaning was initiated by ltid or=
 avrd for an ACS, TLH, or an LMF drive, the drives would never get released=
 by the vmd/DA. Since these robot types clean themselves, we do not need to=
 initiate cleaning. If TapeAlert-based cleaning was initiated by ltid or av=
rd for non-API SSO robots and no cleaning media was available, or the numbe=
r of cleanings was 0, the drives would never get released by the vmd/DA.</t=
t></font>
<br>
<br>
<br><font size=3D2><tt>My 2=A2, pick one or the other but don't do both. &n=
bsp;with L700, library cleaning (hardware-based) seems to work best. &nbsp;=
remove all cleaning tapes from netbackup AND disable tape alert to avoid SS=
O problems.</tt></font>
<br>
<br>
<br><font size=3D2><tt>- Scott</tt></font>
<br>
<br>
<br>
<br>
<br>
<br>
<table width=3D100%>
<tr valign=3Dtop>
<td>
<td><font size=3D1 face=3D"sans-serif"><b>Klaus.Micheler AT infineon DOT 
com</b></=
font>
<br><font size=3D1 face=3D"sans-serif">Sent by: veritas-bu-admin AT mailman DOT 
en=
g.auburn.edu</font>
<p><font size=3D1 face=3D"sans-serif">01/17/2003 09:00 AM</font>
<br>
<td><font size=3D1 face=3D"Arial">&nbsp; &nbsp; &nbsp; &nbsp; </font>
<br><font size=3D1 face=3D"sans-serif">&nbsp; &nbsp; &nbsp; &nbsp; To: &nbs=
p; &nbsp; &nbsp; &nbsp;veritas-bu AT mailman.eng.auburn DOT edu</font>
<br><font size=3D1 face=3D"sans-serif">&nbsp; &nbsp; &nbsp; &nbsp; cc: &nbs=
p; &nbsp; &nbsp; &nbsp;</font>
<br><font size=3D1 face=3D"sans-serif">&nbsp; &nbsp; &nbsp; &nbsp; Subject:=
 &nbsp; &nbsp; &nbsp; &nbsp;[Veritas-bu] TAPE Alert Cleaning with SDLT220/3=
20 Tape Drives</font></table>
<br>
<br>
<br><font size=3D2 face=3D"Courier New">Hi!<br>
<br>
I have an L700e Tape Library with DLT7000 and SDLT320 Tape drives.<br>
Up to now I use frequency based cleaning for the DLT7000 Tape Drives<br>
(cleaning frequency 250 hours)with a labeled cleaning tape in the unreserve=
d<br>
library cells.<br>
<br>
But for Super DLT Drives its not recommended to use frequency based<br>
cleaning.<br>
How can I enable TapeAlert for automatically cleaning through netbackup?<br>
<br>
The autoclean option in the L700e library will only be turned on, if I<br>
insert cleaning tapes in the reserved cells. But if this is done, I use the=
<br>
robotic based TapeAlert Cleaning and not the TapeAlert Cleaning through<br>
Netbackup.<br>
<br>
Any ideas how to enable TapeAlert with Netbackup 4.5 (Patch 2)??<br>
<br>
Regards and thanks in advance,<br>
Klaus Micheler<br>
Infineon Technologies<br>
<br>
-----Original Message-----<br>
From: James Mcdonald [mailto:jmcdon23 AT csc.com DOT au] <br>
Sent: Freitag, 17. J=E4nner 2003 12:51<br>
To: veritas-bu AT mailman.eng.auburn DOT edu<br>
Subject: [Veritas-bu] AIX 5.1 &amp; 9940B drivers<br>
<br>
<br>
Hi<br>
<br>
In order to get NBU &nbsp;up and running have been trying to get &nbsp;AIX =
5.1 drivers<br>
for STK 9940B tap drives - but according to the STK website only AIX 4.x is=
<br>
supported. Anybody resolved this issue? So for have not managed to get<br>
anything meaningful from the local STK reps.<br>
<br>
<br>
Regards<br>
Jim McDonald<br>
---------------------------------------------------------------------------=
-<br>
------------<br>
<br>
This email, including any attachments, is intended only for use by the<br>
addressee(s) and may contain confidential and/or personal information and<b=
r>
may also be the subject of legal privilege. Any personal information<br>
contained in this email is not to be used or disclosed for any purpose othe=
r<br>
than the purpose for which you have received it. If you are not the intende=
d<br>
recipient, you must not disclose or use the information contained in it. In=
<br>
this case, please let me know by return email, delete the message<br>
permanently from your system and destroy any copies.<br>
---------------------------------------------------------------------------=
-<br>
------------<br>
<br>
<br>
<br>
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