ADSM-L

Re: [ADSM-L] TSM 8.1.1 on Linux crash

2018-02-03 17:53:54
Subject: Re: [ADSM-L] TSM 8.1.1 on Linux crash
From: Remco Post <r.post AT PLCS DOT NL>
To: ADSM-L AT VM.MARIST DOT EDU
Date: Sat, 3 Feb 2018 23:52:18 +0100
Hi,

how nice of them. Now if only they would fix the bug that crashes the kernel if 
you remove/reboot/access a tape drive at the wrong time…

> On 2 Feb 2018, at 19:33, Zoltan Forray <zforray AT VCU DOT EDU> wrote:
> 
> Remco,
> 
> I don't know if you noticed that IBM updated the lin_tape.fixlist file to
> include RHEL 7.4.  I got a notice about an update but didn't see anything
> changing, version-wise.  This was the file from November, 2017
> 
> Fixlist for Linux IBM Tape Device Driver (lin_tape)
> 
> (C) Copyright IBM Corporation 2007-2017
> 
> Level      Date                   Description
> ---------------------------------------------------------------
> 3.0.23 11/03/2017   - Initial support for RHEL 6.9 (min. kernel version
> 2.6.32-696)
>                    - Support for LTO8
>                    - Fix for reservation conflict when reserve_6 used
>                    - Fix for failover after device rediscovery (introduced
> at 3.0.20)
>                    - Fix for device name after removal (introduced at
> 3.0.20)
>                    - Fix for read with resid through join interface
> 
> This is the file, today.
> 
> Fixlist for Linux IBM Tape Device Driver (lin_tape)
> 
> (C) Copyright IBM Corporation 2007-2017
> 
> Level      Date                   Description
> ---------------------------------------------------------------
> 3.0.23 11/03/2017   - Initial support for RHEL 7.4 (min. kernel
> version 3.10.0-693)
>                    - Initial support for RHEL 6.9 (min. kernel
> version 2.6.32-696)
>                    - Support for LTO8
>                    - Fix for reservation conflict when reserve_6 used
>                    - Fix for failover after device rediscovery
> (introduced at 3.0.20)
>                    - Fix for device name after removal (introduced at 3.0.20)
>                    - Fix for read with resid through join interface
> 
> 
> and they thought we wouldn't notice 🤔
> 
> 
> On Fri, Jan 12, 2018 at 11:29 AM, Remco Post <r.post AT plcs DOT nl> wrote:
> 
>> Today we checked the lin_tape driver versions. Well, in 3.0.23 are a
>> number of fixes for issues introduced in our current level 3.0.20… Found
>> out another nice issue: we’re at redhat 7.4, while lin_tape doesn’t seem to
>> support RHEL 7.4.
>> 
>> 
>>> On 10 Jan 2018, at 10:32, Remco Post <r.post AT PLCS DOT NL> wrote:
>>> 
>>>> On 10 Jan 2018, at 02:05, Harris, Steven <steven.harris@
>> BTFINANCIALGROUP.COM <mailto:steven.harris AT BTFINANCIALGROUP DOT COM>> 
>> wrote:
>>>> 
>>>> Remco
>>>> 
>>>> Can you please explain  what the fall-out is?
>>> 
>>> The fall-out is TSM locking up a CPU in an uninterruptible routine, with
>> only one solution: reboot the entire Linux box.
>>> 
>>>> 
>>>> I'm using TSM 7.1.0 on AIX and have issues with LTO6 drives emulating
>> LTOs.  Sometimes I just power cycle the drive and that clears the problem,
>> but that does not always work.
>>>> 
>>>> Whilst I don't have any linux servers or storage agents in that
>> particular mix, I'd like to understand what you are seeing for future
>> reference.
>>>> 
>>>> Thanks
>>>> 
>>>> Steve
>>>> 
>>>> Steven Harris
>>>> TSM Admin/Consultant
>>>> 
>>>> Canberra Australia
>>>> 
>>>> 
>>>> 
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>>> --
>>> 
>>> Met vriendelijke groeten/Kind Regards,
>>> 
>>> Remco Post
>>> r.post AT plcs DOT nl <mailto:r.post AT plcs DOT nl>
>>> +31 6 248 21 622
>> 
>> --
>> 
>> Met vriendelijke groeten/Kind Regards,
>> 
>> Remco Post
>> r.post AT plcs DOT nl
>> +31 6 248 21 622
>> 
> 
> 
> 
> -- 
> *Zoltan Forray*
> Spectrum Protect (p.k.a. TSM) Software & Hardware Administrator
> Xymon Monitor Administrator
> VMware Administrator
> Virginia Commonwealth University
> UCC/Office of Technology Services
> www.ucc.vcu.edu
> zforray AT vcu DOT edu - 804-828-4807
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-- 

 Met vriendelijke groeten/Kind Regards,

Remco Post
r.post AT plcs DOT nl
+31 6 248 21 622

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