Bacula-users

Re: [Bacula-users] LTO-5 dozens of "miWriteFaultDSPTapeOffTrack" event

2016-05-29 10:34:04
Subject: Re: [Bacula-users] LTO-5 dozens of "miWriteFaultDSPTapeOffTrack" event
From: Kern Sibbald <kern AT sibbald DOT com>
To: bacula-users AT lists.sourceforge DOT net
Date: Sun, 29 May 2016 16:32:55 +0200
Hello,

The problems you are experiencing are with your tape drive.  Your best 
bet would be to contact a support person at Tandberg (HP?).

Unfortunately, I am not very positive about Tandberg products:
I own a Tandberg LTO-4 autochanger.  The original drive they sold me was 
unable to load/unload cartridges after about 1 week of use,  I sent it 
back and they sent me a second autochanger, but after about 6 months it 
was no longer able to load/unload cartridges -- they always get stuck.

So for the last 3 or 4 years this defective autochanger has now been a 
piece of unused hardware waiting for me to find the time to take it to 
the dump (a lot of money down the drain).

I have had quite a few autochangers over the years (probably 5 or 6) 
(HP, Overland, Sun StorageTek, and Tandberg) and the Tandberg LTO-4s 
were the only autochangers that ever failed.

Best regards,
Kern

On 05/28/2016 12:26 PM, szolnoki wrote:
> Hi,
>
> I have a problem, with my Tandberg (rebranded HP) LTO-5 drive.
> The drive like a new (less than 6 months, lightly used), and I use only new 
> HP cartridges.
>
> When I write the cartridges, I see 8-10 "0x750b miWriteFaultDSPTapeOffTrack" 
> and "0x0 GOOD" events EVERY 2ND warps.
> "Rewritten CCQs" in "Write Error Counters" isn't 0. And I see other than 0 in 
> row "Offtrack count" at every 2nd warp in "Write Fault Counters".
>
> I tested 2 another drives, with new cartridges, same result.
> The write successfully, I can read back later.
>
> I use HPE L&TT utility to make a Healt dump.
>
> Are dozens of off track events (40-50 per full cartridge write) normal?
>
> Can anybody check this on own drive?
> (Write a cartridge any way, and before eject the cartridge make a Health Dump 
> wit HPE L&TT tools. And see the dump with "Everything" detail level.)
>
> Thank you, for any help.
>
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consuming the most bandwidth. Provides multi-vendor support for NetFlow, 
J-Flow, sFlow and other flows. Make informed decisions using capacity 
planning reports. https://ad.doubleclick.net/ddm/clk/305295220;132659582;e
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