On 27/07/17 16:28, Oesterlin, Robert wrote:
I’m sure I have a mix of V1 and V2 NSDs - how can I tell what the format
each is?
Well on anything approaching a recent Linux lsblk should as I understand
it should show GPT partitions on v2 NSD's. Normally a v1 NSD would show
up as a raw block
Guys, this is supposed to be a community mailing list where people can
come and ask questions and we can have healthy debate, but please can we
keep it calm?
Thanks
Simon
Group Chair
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On 27/07/17 16:51, Uwe Falke wrote:
[SNIP]
SCNR: It is always possible to make things worse.
However, of course, if the efforts to do research on that system appear
too expensive compared to the possible gain, then it is wise to give up
and restore data from backup to a new file system.
Right - but what field do I look at?
Bob Oesterlin
Sr Principal Storage Engineer, Nuance
From: on behalf of Luke Raimbach
Reply-To: gpfsug main discussion list
Date: Thursday, July
mmfsadm test readdescraw
On Thu, 27 Jul 2017, 16:28 Oesterlin, Robert,
wrote:
> I’m sure I have a mix of V1 and V2 NSDs - how can I tell what the format
> each is?
>
>
>
> Bob Oesterlin
> Sr Principal Storage Engineer, Nuance
>
>
>
>
>
gpfsug-discuss-boun...@spectrumscale.org wrote on 07/27/2017 05:09:31 PM:
> From: Jonathan Buzzard
> To: gpfsug main discussion list
> Date: 07/27/2017 05:09 PM
> Subject: Re: [gpfsug-discuss] Lost disks
> Sent by:
I’m sure I have a mix of V1 and V2 NSDs - how can I tell what the format each
is?
Bob Oesterlin
Sr Principal Storage Engineer, Nuance
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On Thu, 2017-07-27 at 16:18 +0200, Uwe Falke wrote:
> "Just doing something" makes things worse usually. Whether a 3rd
> party tool knows how to handle GPFS NSDs can be doubted (as long as it
> is not dedicated to that purpose).
It might usually, but IBM have *ALREADY* given up in this case and
On Thu, 2017-07-27 at 07:28 -0400, RICHARD RUPP wrote:
> If you are under IBM support, leverage IBM for help. A third party
> utility has the possibility of making it worse.
>
The chances of recovery are slim in the first place from this sort of
problem. At least with v1 NSD descriptors.
If you are under IBM support, leverage IBM for help. A third party utility
has the possibility of making it worse.
From: John Hearns
To: gpfsug main discussion list
Date: 07/27/2017 06:40 AM
Subject:Re: [gpfsug-discuss]
On Wed, 2017-07-26 at 17:45 +, Oesterlin, Robert wrote:
> One way this could possible happen would be a system is being
> installed (I’m assuming this is Linux) and the FC adapter is active;
> then the OS install will see disks and wipe out the NSD descriptor on
> those disks. (Which is why
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