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 <[email protected]<mailto:[email protected]>> on behalf of parag_k <[email protected]<mailto:[email protected]>> Date: Wednesday, November 1, 2017 at 12:41 PM To: "Mohr Jr, Richard Frank (Rick Mohr)" <[email protected]<mailto:[email protected]>> Cc: Lustre discussion <[email protected]<mailto:[email protected]>> 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)" <[email protected]<mailto:[email protected]>> Date: 01/11/2017 9:01 pm (GMT+05:30) To: Parag Khuraswar <[email protected]<mailto:[email protected]>> Cc: Raj <[email protected]<mailto:[email protected]>>, Lustre discussion <[email protected]<mailto:[email protected]>> Subject: Re: [lustre-discuss] mdt mounting error > On Nov 1, 2017, at 7:18 AM, Parag Khuraswar > <[email protected]<mailto:[email protected]>> wrote: > > For mgt – > mkfs.lustre --servicenode=10.2.1.204@o2ib --servicenode=10.2.1.205@o2ib --mgs > /dev/mapper/mpathc > > For mdt > mkfs.lustre --fsname=home --mgsnode=10.2.1.204@o2ib --mgsnode=10.2.1.205@o2ib > --servicenode=10.2.1.204@o2ib --servicenode=10.2.1.205@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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