[lustre-discuss] Multiple MGS interfaces config

2015-09-22 Thread Exec Unerd
My environment has both TCP and IB clients, so my Lustre config has to accommodate both, but I'm having a hard time figuring out the proper syntax for it. Theoretically, I should be able to use comma-separated interfaces in the mgsnode parameter like this: --mgsnode=192.168.10.1@tcp0,172.16.10.1@o

[lustre-discuss] Remove failnode parameter

2015-09-22 Thread Exec Unerd
I made a typo when setting failnode/servicenode parameters, but I can't figure out how to remove the failnode parameter entirely I can change the failnode NIDs, but I can't figure out how to completely remove "failnode" from the system. Does anyone have an example of a syntax (maybe lctl?) that w

Re: [lustre-discuss] client showing "inactive device" at mount time

2015-09-22 Thread Ben Evans
I’m just going to guess, but you’ve got active/active OSTs, and some are running on the standby node. A lustre client will contact the MGS on mount and get the list of MDTs and OSTs, along with their primary and secondary (etc.) locations. The client then starts contacting the targets. The th

[lustre-discuss] client showing "inactive device" at mount time

2015-09-22 Thread Andrus, Brian Contractor
All, I have been seeing this pretty regularly. I reboot a system and mount a lustre filesystem. It mounts, but when I do 'lfs df', I see numerous OSTs that are listed as 'inactive device' If I wait, they all eventually mount. Odd thing is that I always get some that mount fine and others that wa