Ah, so an issue with the NSD nodes, as opposed the clients?

> On 29 Nov 2016, at 20:56, Luis Bolinches <[email protected]> wrote:
> 
> Its been around in certain cases, some kernel <-> storage combination get hit 
> some not
>  
> Scott referenced it here 
> https://www.ibm.com/developerworks/community/wikis/home?lang=en#!/wiki/General+Parallel+File+System+%28GPFS%29/page/Storage+with+GPFS+on+Linux
>  
> https://access.redhat.com/solutions/2437991
>  
> It happens also on 7.2 and 7.3 ppc64 (not yet on the list of "supported") it 
> does not on 7.1. I can confirm this at least for XIV storage, that it can go 
> up to 1024 only.
>  
> I know the FAQ will get updated about this, at least there is a CMVC that 
> states so.
>  
> Long short, you create a FS, and you see all your paths die and recover and 
> die and receover and ..., one after another. And it never really gets done. 
> Also if you boot from SAN ... well you can figure it out ;)
>  
> 
> --
> Ystävällisin terveisin / Kind regards / Saludos cordiales / Salutations
> 
> Luis Bolinches
> Lab Services
> http://www-03.ibm.com/systems/services/labservices/
> 
> IBM Laajalahdentie 23 (main Entrance) Helsinki, 00330 Finland
> Phone: +358 503112585
> 
> "If you continually give you will continually have." Anonymous
>  
>  
> ----- Original message -----
> From: Nathan Harper <[email protected]>
> Sent by: [email protected]
> To: gpfsug main discussion list <[email protected]>
> Cc:
> Subject: Re: [gpfsug-discuss] Upgrading kernel on RHEL
> Date: Tue, Nov 29, 2016 10:44 PM
>  
> This is the first I've heard of this max_sectors_kb issue, has it already 
> been discussed on the list? Can you point me to any more info?
> 
>  
> 
>> On 29 Nov 2016, at 19:08, Luis Bolinches <[email protected]> wrote:
>>  
>> Seen that one on 6.8 too
>>  
>> teh 4096 does NOT work if storage is XIV then is 1024
>>  
>> 
>> --
>> Ystävällisin terveisin / Kind regards / Saludos cordiales / Salutations
>> 
>> Luis Bolinches
>> Lab Services
>> http://www-03.ibm.com/systems/services/labservices/
>> 
>> IBM Laajalahdentie 23 (main Entrance) Helsinki, 00330 Finland
>> Phone: +358 503112585
>> 
>> "If you continually give you will continually have." Anonymous
>>  
>>  
>> ----- Original message -----
>> From: "Kevin D Johnson" <[email protected]>
>> Sent by: [email protected]
>> To: [email protected]
>> Cc: [email protected]
>> Subject: Re: [gpfsug-discuss] Upgrading kernel on RHEL
>> Date: Tue, Nov 29, 2016 8:48 PM
>>  
>> I have run into the max_sectors_kb issue and creating a file system when 
>> moving beyond 3.10.0-327 on RH 7.2 as well.  You either have to reinstall 
>> the OS or walk the kernel back to 327 via:
>> 
>> https://access.redhat.com/solutions/186763
>>  
>> Kevin D. Johnson, MBA, MAFM
>> Spectrum Computing, Senior Managing Consultant
>> 
>> IBM Certified Deployment Professional - Spectrum Scale V4.1.1
>> IBM Certified Deployment Professional - Cloud Object Storage V3.8
>> IBM Certified Solution Advisor - Spectrum Computing V1
>>  
>> 720.349.6199 - [email protected]
>>  
>>  
>>  
>> ----- Original message -----
>> From: "Luis Bolinches" <[email protected]>
>> Sent by: [email protected]
>> To: [email protected]
>> Cc: [email protected]
>> Subject: Re: [gpfsug-discuss] Upgrading kernel on RHEL
>> Date: Tue, Nov 29, 2016 5:20 AM
>>  
>> My 2 cents
>>  
>> And I am sure different people have different opinions.
>>  
>> New kernels might be problematic.
>>  
>> Now got my fun with RHEL 7.3 kernel and max_sectors_kb for new FS. Is 
>> something will come to the FAQ soon. It is already on draft not public.
>>  
>> I guess whatever you do .... get a TEST cluster and do it there first, that 
>> is better the best advice I could give.
>>  
>> 
>> --
>> Ystävällisin terveisin / Kind regards / Saludos cordiales / Salutations
>> 
>> Luis Bolinches
>> Lab Services
>> http://www-03.ibm.com/systems/services/labservices/
>> 
>> IBM Laajalahdentie 23 (main Entrance) Helsinki, 00330 Finland
>> Phone: +358 503112585
>> 
>> "If you continually give you will continually have." Anonymous
>>  
>>  
>> ----- Original message -----
>> From: "Sobey, Richard A" <[email protected]>
>> Sent by: [email protected]
>> To: "'[email protected]'" <[email protected]>
>> Cc:
>> Subject: [gpfsug-discuss] Upgrading kernel on RHEL
>> Date: Tue, Nov 29, 2016 11:59 AM
>>  
>> All,
>> 
>>  
>> 
>> As a general rule, when updating GPFS to a newer release, would you perform 
>> a full OS update at the same time, and/or update the kernel too?
>> 
>>  
>> 
>> Just trying to gauge what other people do in this respect. Personally I’ve 
>> always upgraded everything at once – including kernel. Am I looking for 
>> trouble?
>> 
>>  
>> 
>> Cheers
>> 
>> Richard
>> 
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>> 
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> Ellei edellä ole toisin mainittu: / Unless stated otherwise above:
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> Registered in Finland
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