[lustre-discuss] Lustre 2.8.0 - MDT/MGT failing to mount

Patrick Farrell paf at cray.com
Thu May 4 09:01:23 PDT 2017

Hm, I'm not sure everyone here is talking about the same ordering...

As I understand it:

The writeconf process is to unmount everything, then writeconf all your targets (order doesn't matter, pretty sure - Someone will correct me if not...), then mount in the order Colin gave - MGS/MDT, then OSTs, then clients.

- Patrick

From: lustre-discuss <lustre-discuss-bounces at lists.lustre.org> on behalf of Colin Faber <colin.faber at seagate.com>
Sent: Thursday, May 4, 2017 10:51:06 AM
To: Mohr Jr, Richard Frank (Rick Mohr)
Cc: lustre-discuss at lists.lustre.org
Subject: Re: [lustre-discuss] Lustre 2.8.0 - MDT/MGT failing to mount


Yes MGS/MDT as well as OSTs, Remount MGS/MDT, then OSTs, then clients.


On Thu, May 4, 2017 at 9:24 AM, Mohr Jr, Richard Frank (Rick Mohr) <rmohr at utk.edu<mailto:rmohr at utk.edu>> wrote:

> On May 4, 2017, at 11:03 AM, Steve Barnet <barnet at icecube.wisc.edu<mailto:barnet at icecube.wisc.edu>> wrote:
> On 5/4/17 10:01 AM, Mohr Jr, Richard Frank (Rick Mohr) wrote:
>> Did you try doing a writeconf to regenerate the config logs for the file system?
> Not yet, but quick enough to try. Do this for the MDT/MGT first,
> then the OSTs?

I believe that is correct, but you should check the Lustre manual to be certain of the procedure.

Rick Mohr
Senior HPC System Administrator
National Institute for Computational Sciences

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