Veritas-bu

[Veritas-bu] Tape Alert automated cleaning not working

2001-02-13 09:19:09
Subject: [Veritas-bu] Tape Alert automated cleaning not working
From: Andrew Shinkarev shinkara AT pprd.abbott DOT com
Date: Tue, 13 Feb 2001 08:19:09 -0600
On Tue, Feb 13, 2001 at 08:59:31AM -0500, spe08 AT co.henrico.va DOT us wrote:

Code version 
2.00.00

Code Built on
Mar 29 2000 17.00.58

Hardware Version
MPC 02201482


> A quick question, what version of the L700 firmware are we talking about?
> 
> dds
> 
> -----Original Message-----
> From: Andrew Shinkarev [mailto:shinkara AT pprd.abbott DOT com]
> Sent: Tuesday, February 13, 2001 08:54
> To: Michael Traves
> Cc: Veritas-bu AT mailman.eng.auburn DOT edu
> Subject: Re: [Veritas-bu] Tape Alert automated cleaning not working
> 
> 
> On Tue, Feb 13, 2001 at 08:15:58AM -0500, Michael Traves wrote:
> 
> Michael, 
> 
> 
> You might need to say - every mount will be dealyed for 10 
> minutes. I were suggested to increase this value to 
> 3 minutes, and even 3 minutes is too much. 
> 
> Here is the description of the problem I received from Sun
> ( as soon as our L700's have Sun label on them )
> 
> The L700 manual states;
> 
> "When a drive requires cleaning, the library interleaves the cleaning
> cartridge mount with normal host operations. The "Fast Load" option is
> always enabled for cleaning cartridges, so the mount occurs within
> seconds. Typically, the cleaning mount occurs directly after a data
> cartridge dismount. Host applications see minimal processing
> interruptions (less than ten seconds) during the cleaning mount.  While
> the cleaning cartridge remains in the drive, the library processes host
> commands normally. If a host requests a data mount to the drive being  
> cleaned, then the library rejects the command and sends the Not Ready  
> sense key (02), with ASC 30 and ASCQ 03 (Cleaning Cartridge
> Installed).  The host receives the data mount error for the duration of
> the cleaning time."
> 
> HOWEVER,
> 
> There appears to be a bug with the current L700 firmware release. What
> we are seeing on customer sites is that the L700 is returning the
> following response during a mount to a drive that is currently being
> cleaned;
> 
> Medium Not Present, Drive Not Unloaded 5h 3Ah 00h
> 
> Instead of;
> 
> Not Ready, Cleaning Cartridge Installed. The library is performing an
> Auto Clean function on the data transfer element (tape drive). 2h 30h 03h
> 
> Here is an example of the error you'd see;
> 
> Jul 24 12:46:41 un1x tldcd[10561]: TLD(3) key = 0x5, asc = 0x3a, ascq = 0x0,
> MEDIUM NOT PRESENT
> Jul 24 12:46:41 un1x tldcd[10561]: TLD(3) Move_medium error: CHECK CONDITION
> Jul 24 12:46:41 un1x tldcd[10561]: TLD(3) could not move barcoded tape
> CLN442
> from drive 7 to
> outport
> Jul 24 12:46:41 un1x tldd[22667]: TLD(3) drive 7 (device 6) is being DOWNED,
> status: Robotic
> dismount failure
> Jul 24 12:46:41 un1x tldd[22667]: Check integrity of the drive, drive path,
> and
> media
> 
> So, timing  has nothing to do with the porblem.
> 
> 
> Thanks,
> Andrey
> 
> > 
> > That's not entirely correct -- if you set your mount timeouts
> appropriately
> > (say 10mins or greater) than NetBackup will wait that long prior to giving
> > up and assuming something is wrong with the drive.  Setting this value
> gives
> > enough time for the robot to perform the cleaning, without NetBackup
> timing
> > out and downing the drive.
> > 
> > 
> > ----- Original Message -----
> > From: "Everett, Craig" <Craig_Everett AT intuit DOT com>
> > To: <fabrice.brochart AT wanadoo DOT fr>; "Andrew Shinkarev"
> > <shinkara AT pprd.abbott DOT com>; "Everett, Craig" <Craig_Everett AT 
> > intuit DOT com>
> > Cc: <Veritas-bu AT mailman.eng.auburn DOT edu>
> > Sent: Monday, February 12, 2001 11:37 PM
> > Subject: RE: [Veritas-bu] Tape Alert automated cleaning not working
> > 
> > 
> > > If you use the "autoclean" feature it will cause Netbackup to down
> drives
> > > that are being cleaned by the library. That's why we are converting to
> > > Netbackup automated cleaning. If you talk to Storagetek about an unusual
> > > rate of drives being downed they will first ask you if you are using
> > > Storagetek autocleaning and Netbackup software. If so you will get an
> > > unusually high rate of drives being downed because Netbackup doesn't
> know
> > > when STK is cleaning the drives. Converting to Netbackup cleaning will
> > help
> > > you resolve this problem. Thanks,
> > >
> > > Craig
> > >
> > > -----Original Message-----
> > > From: f@b [mailto:fabrice.brochart AT wanadoo DOT fr]
> > > Sent: Monday, February 12, 2001 2:54 PM
> > > To: Andrew Shinkarev; Everett, Craig
> > > Cc: Veritas-bu AT mailman.eng.auburn DOT edu
> > > Subject: RE: [Veritas-bu] Tape Alert automated cleaning not working
> > >
> > >
> > > Hi ,
> > >
> > > I suggest you to implement the "autoclean" feature on the StK's library.
> > >
> > > This is the better way to ensure you that a drive cleaning is done.
> > >
> > > Hth , bye.
> > >
> > > Fabrice
> > >
> > > -----Message d'origine-----
> > > De : veritas-bu-admin AT Eng.Auburn DOT EDU
> > > [mailto:veritas-bu-admin AT Eng.Auburn DOT EDU]De la part de Andrew 
> > > Shinkarev
> > > Envoye : lundi 12 fevrier 2001 22:13
> > > A : Everett, Craig
> > > Cc : Veritas-bu AT mailman.eng.auburn DOT edu
> > > Objet : Re: [Veritas-bu] Tape Alert automated cleaning not working
> > >
> > >
> > > On Mon, Feb 12, 2001 at 12:44:07PM -0800, Everett, Craig wrote:
> > >
> > > Make them check Front Panel.
> > > It says if a tape drive needs cleaning.
> > >
> > > If you are using SSO, time based cleaning
> > > doesn't work quite well, and still
> > > you will need to check libraries sometimes.
> > >
> > > Simple script, ssh to robot host and
> > > tpclean command should help your operators to
> > > handle this on daily basis.
> > >
> > > Thanks,
> > > Andrew
> > > > Andrew,
> > > >
> > > > That's strange because Netbackup Support doesn't seem aware of
> severity
> > of
> > > > cleaning request and possible ignores.
> > > >
> > > > I would have our operators do manual cleaning if I could but I've got
> > 100+
> > > > drives which would become  cumbersome at best. I guess if I can't get
> > this
> > > > to work I'll switch to frequency based cleaning.
> > > >
> > > > Thanks for your help,
> > > >
> > > > Craig Everett
> > > > Technology Operations-Storage Team
> > > > Intuit Inc
> > > > craig_everett AT intuit DOT com
> > > >
> > > >
> > > >
> > > > -----Original Message-----
> > > > From: Andrew Shinkarev [mailto:shinkara AT pprd.abbott DOT com]
> > > > Sent: Monday, February 12, 2001 12:31 PM
> > > > To: Everett, Craig
> > > > Cc: Veritas-bu AT mailman.eng.auburn DOT edu
> > > > Subject: Re: [Veritas-bu] Tape Alert automated cleaning not working
> > > >
> > > >
> > > > On Mon, Feb 12, 2001 at 11:09:03AM -0800, Everett, Craig wrote:
> > > >
> > > > You are not alone....
> > > >
> > > > DLT7000 Tape System Product Manual p.5-56 contains a list of
> > > > TapeAlert Flags, Severity Levels, and Meanings for LOG SENSE
> > > > command. There are 9 flags, and 6 of them correspond to
> > > > cleaning requests. 3 of them have Severity Level Critical
> > > > and 3 just Warnings. I think NetBackup ignores Warnings
> > > > and taking care of Critical errors, becous I've seen NetBackup
> > > > cleaning a tape drive.
> > > >
> > > > You can ignore them too ....
> > > > I am checking my library every day and clean a tape drive
> > > > if I see a cleaning request on a front panel.
> > > >
> > > > Thanks,
> > > > Andrew
> > > >
> > > >
> > > > > Background:
> > > > > Sun E-450/Solaris 2.6
> > > > > Netbackup 3.2
> > > > > Storagetek L700 and 9740 Libraries
> > > > > DLT 7000 Drives w/ 245F and 2565 microcode levels
> > > > > Problem: Drives are not self cleaning using tape alert
> > > > >
> > > > >
> > > > > Issue:
> > > > > I recently implemented the tape alert method of cleaning on all of
> my
> > > > master
> > > > > servers. I set up barcode rules and inserted cleaning tapes as
> > required.
> > > > The
> > > > > master server is aware of the cleaning tape:
> > > > >
> > > > > Masterserver# vmquery -b -mt dlt_clean
> > > > > media   media     robot  robot  robot  side/  optical  # mounts/last
> > > > > ID     type      type     #    slot   face   partner  cleanings
> > > > > mount time
> > > > >
> ---------------------------------------------------------------------
> > > > > CLN002  DLT_CLN   NONE     -      -     -       -           0
> > > 00/00/00
> > > > > 00:00
> > > > > CLN003  DLT_CLN   NONE     -      -     -       -           0
> > > 00/00/00
> > > > > 00:00
> > > > > CLN001  DLT_CLN   NONE     -      -     -       -           0
> > > 00/00/00
> > > > > 00:00
> > > > > CLN008  DLT_CLN   NONE     -      -     -       -           0
> > > 00/00/00
> > > > > 00:00
> > > > > CLN016  DLT_CLN   NONE     -      -     -       -           0
> > > 00/00/00
> > > > > 00:00
> > > > > CLN000  DLT_CLN   TLD      0    248     -       -          20
> > > 00/00/00
> > > > > 00:00
> > > > >
> > > > > So I know I have the cleaning tape available and mouts are at 20 (
> > it's
> > > a
> > > > > new tape ). Manual Cleaning works. Drive cleaning frequency is set
> to
> > 0.
> > > I
> > > > > keep finding tape drives with their cleaning light on ( cleaning
> > > required
> > > > )
> > > > > , but I don't see any cleaning occurring indicated by decremented
> > > cleaning
> > > > > tape mounts. I've set VERBOSE in my vm.conf so I can see the request
> > for
> > > > > cleaning entered in the /var/adm/messages log but nothing ever comes
> > > > > through? Has anyone ever seen this? Is there a command to simulate a
> > > drive
> > > > > requesting a cleaning besides doing a manual cleaning? What
> netbackup
> > > log
> > > > > would be a good place to find some hidden problem that are perhaps
> > > > > preventing the cleaning? Any input would be greatly appreciated.
> > > > >
> > > > > Thanks,
> > > > > Craig Everett
> > > > > Technology Operations-Storage Team
> > > > > Intuit Inc
> > > > > craig_everett AT intuit DOT com
> > > > >
> > > > >
> > > > > _______________________________________________
> > > > > Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
> > > > > http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
> > > >
> > > > --
> > > > ----
> > > > Andrew Shinkarev
> > > > Network Systems Specialist
> > > > Abbott Laboratories
> > > > (847) 9387559
> > > > shinkara AT pprd.abbott DOT com
> > >
> > > --
> > > ----
> > > Andrew Shinkarev
> > > Network Systems Specialist
> > > Abbott Laboratories
> > > (847) 9387559
> > > shinkara AT pprd.abbott DOT com
> > > _______________________________________________
> > > Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
> > > http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
> > >
> > > _______________________________________________
> > > Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
> > > http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
> > > _______________________________________________
> > > Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
> > > http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
> > 
> > _______________________________________________
> > Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
> > http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
> 
> -- 
> ----
> Andrew Shinkarev
> Network Systems Specialist
> Abbott Laboratories
> (847) 9387559
> shinkara AT pprd.abbott DOT com
> _______________________________________________
> Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
> _______________________________________________
> Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
> http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu

-- 
----
Andrew Shinkarev
Network Systems Specialist
Abbott Laboratories
(847) 9387559
shinkara AT pprd.abbott DOT com