Hi,

 Yes it is mounted. But that's not always a problem. We have a test lustre 
cluster where it's mounted and the tune2fs works fine. But it fails in 
production.

 Production have failover turned on for the OSTs. Something absent on that 
particular test cluster.

 Is it possible there's something in lustre that prohibits tune2fs working only 
when failover is on for an OST?

Faye

-----Original Message-----
From: Mohr Jr, Richard Frank (Rick Mohr) [mailto:[email protected]]
Sent: 02 August 2016 17:38
To: Gibbins, Faye <[email protected]>
Cc: [email protected]
Subject: Re: [lustre-discuss] tune2fs being blocked by MMP


> On Aug 2, 2016, at 10:38 AM, Gibbins, Faye <[email protected]> wrote:
>
>
> tune2fs: MMP: device currently active while trying to open 
> /dev/mapper/scratch--1--5-scratch_3
>
> MMP error info: last update: Tue Aug  2 15:34:09 2016
>
> node: edi-vf-1-5.ad.cirrus.com device: dm-19
>
> 0 edi-vf-1-5:~#

Is the device currently mounted?  If so, that would explain the error.

--
Rick Mohr
Senior HPC System Administrator
National Institute for Computational Sciences
https://urldefense.proofpoint.com/v2/url?u=http-3A__www.nics.tennessee.edu&d=DQIFAg&c=O3LcjD-V2Iepl5V0N1424A&r=zYKOt5zq8DxD76qBilrgQKxtITGPmVmWHHVOs6JpkMQ&m=HHqIHO6NJdOqJbinMrvMmk8S9oklNJRSgMNfnTOJLVk&s=9Ntf1l5dP_4JpRf-8OjiWKFFzwoJ5BP7VC-uNgSLF3k&e=

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