Actually we already have a case open with Quantum but posed the question on the list to see if anyone else was seeing the issue.
Quantum actually was the one that told us to move from library to application (NetBackup) cleaning because of an earlier issue. The
move seems to have solved the earlier issue but now we’re seeing this one. This one isn’t really that big a deal but it is a curiosity. Our work around is simply to close the ticket on the library but it seems that shouldn’t be necessary if the library
would recognize the first cleaning occurring when it does as opposed to waiting until the second drive alert/cleaning.
From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of
smpt
Sent: Wednesday, February 22, 2012 2:35 AM
To: Lightner, Jeff; veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] Quantum i6000 tape cleaning tickets not clearing
Hello,
We have 3 i2K libraries with i6.1 and i8.2 firmwares.
We use netbackup to handle the drive cleaning, and this is the correct way. We do not have the problem you describe.
I suggest you to contact Quantum support and insist to have an explanation or a fix for the problem. Do not let them convince
you that library cleaning is better.
From: veritas-bu-bounces AT mailman.eng.auburn DOT edu
[mailto:veritas-bu-bounces AT mailman.eng.auburn DOT edu] On Behalf Of
Lightner, Jeff
Sent: Tuesday, February 21, 2012 7:06 PM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] Quantum i6000 tape cleaning tickets not clearing
At the beginning of the month we switched from robotic self cleaning to NetBackup tape alert based cleaning.
This appears to be working fine in that when the robot issues an alert saying a tape drive needs cleaning NetBackup is mounting a cleaning tape and showing success
on the cleaning.
However, we’re seeing an oddity in that these alerts (called “tickets” in the tape library itself) are staying “Open” and Drives status shows warning in the
library even after the cleaning of a drive until a separate alert (usually a day later) causes cleaning of another drive. That cleaning will also work in NetBackup and at the end of this separate cleaning the tape library changes status of both this latter
alert and the earlier one both to “Verified” (meaning it is closed) and the Drives status returns to normal. We’ve now seen this occur 3 times (that is 6 separate drives).
Is anyone else using the Quantum i6000 (or even i2000) and if so have you seen this? Did you find a way to automatically clear after one drive cleaning or
did you have to manually clear the ticket in the library?
Netbackup 7.1
Quantum i6000 tape library using HP OEM LTO5 drives.
To answer questions that might occur:
1)
Did the tape drive cleaning job show up in Activity Monitor and indicate success? Yes
2)
Did the system log on master show the cleaning tape mount and unmount successfully? Yes
3)
Does tpclean –L show the last cleaning time corresponding with the mount/unmount of the cleaning tape? Yes
4)
Does tpclean –L show “needs cleaning” or anything similar in comments column? No
Since it cleans automatically and is done within 2 minutes of the alert I’ve never had a chance to see the “needs cleaning”. The mount time column changes to 0.0 after the cleaning.
5)
Does the media cleanings remaining count decrement by one after a cleaning? Yes
6)
Are we using frequency based cleaning? No – We’re using tape alerts as recommended by NetBackup documentation.
7)
Is the cleaning of first drive occurring at same time as alert on first drive? Yes – it is only the ticket clearing that is happening
at alert/cleaning of second drive.
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