[gpfsug-discuss] Server lost NSD mappings

[Jared David Baker]

Jonathan, which script are you talking about?

Thanks, Jared

-----Original Message-----
From: gpfsug-discuss-bounces at gpfsug.org [mailto:gpfsug-discuss-bounces at gpfsug.org] On Behalf Of Jonathan Buzzard
Sent: Wednesday, October 29, 2014 2:32 PM
To: gpfsug-discuss at gpfsug.org
Subject: Re: [gpfsug-discuss] Server lost NSD mappings

On 29/10/14 20:25, Sven Oehme wrote:
> Hi,
>
> based on what i see is your BIOS or FW update wiped the NSD descriptor
> by restoring a GPT table on the start of a disk that shouldn't have a
> GPT table to begin with as its under control of GPFS.
> future releases of GPFS prevent this by writing our own GPT label to the
> disks so other tools don't touch them, but that doesn't help in your
> case any more. if you want this officially confirmed i would still open
> a PMR, but at that point given that you don't seem to have any
> production data on it from what i see in your response you should
> recreate the filesystem.
>

However before recreating the file system I would run the script to see 
if your disks have the secondary copy of the GPT partition table and if 
they do make sure it is wiped/removed *BEFORE* you go any further. 
Otherwise it could happen again...

JAB.

-- 
Jonathan A. Buzzard                 Email: jonathan (at) buzzard.me.uk
Fife, United Kingdom.
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