[lustre-discuss] mdt mounting error

[Parag Khuraswar]

Hi Ben,

 

Lustre version is lustre-2.10.54_20_g66bb2d1.tar.gz (recently cloned from
github). Kernel is "3.10.0-514.el7.x86_64".

OS is RHEL 7.3.

 

Regards,

Parag

 

 

From: Ben Evans [mailto:bevans at cray.com] 
Sent: Wednesday, November , 2017 11:22 PM
To: parag_k; Mohr Jr, Richard Frank (Rick Mohr)
Cc: Lustre discussion
Subject: Re: [lustre-discuss] mdt mounting error

 

What Lustre version and kernel version are you using?

 

I've seen issues with Lustre 2.7 and CentOS 7.4 where this happened.

 

-Ben Evans

 

From: lustre-discuss <lustre-discuss-bounces at lists.lustre.org> on behalf of
parag_k <parag_k at citilindia.com>
Date: Wednesday, November 1, 2017 at 12:41 PM
To: "Mohr Jr, Richard Frank (Rick Mohr)" <rmohr at utk.edu>
Cc: Lustre discussion <lustre-discuss at lists.lustre.org>
Subject: Re: [lustre-discuss] mdt mounting error

 

Hi, 

 

 

Yes mgt was mounted when i tried mdt mounting. Mgt got mounted smoothly.

Firewall is disabled.

 

Regards, 

Parag

 

-------- Original message --------

From: "Mohr Jr, Richard Frank (Rick Mohr)" <rmohr at utk.edu> 

Date: 01/11/2017 9:01 pm (GMT+05:30) 

To: Parag Khuraswar <parag_k at citilindia.com> 

Cc: Raj <rajgautam at gmail.com>, Lustre discussion
<lustre-discuss at lists.lustre.org> 

Subject: Re: [lustre-discuss] mdt mounting error 

 


> On Nov 1, 2017, at 7:18 AM, Parag Khuraswar <parag_k at citilindia.com>
wrote:
>  
> For mgt -
> mkfs.lustre --servicenode=10.2.1.204 at o2ib --servicenode=10.2.1.205 at o2ib
--mgs /dev/mapper/mpathc
>  
> For mdt
> mkfs.lustre --fsname=home --mgsnode=10.2.1.204 at o2ib
--mgsnode=10.2.1.205 at o2ib --servicenode=10.2.1.204 at o2ib
--servicenode=10.2.1.205 at o2ib --mdt --index=0 /dev/mapper/mpatha
> 

Did you mount the mgt before trying to mount the mdt?  If so, did you get
any errors when trying to mount the mgt?

Another thing to check is firewall settings.  If there are firewall rules
blocking any traffic, that could cause a problem.

--
Rick Mohr
Senior HPC System Administrator
National Institute for Computational Sciences
http://www.nics.tennessee.edu

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