Re: [gpfsug-discuss] CES ON RHEL7.3

2016-12-06 Thread Ravi K Komanduri
Sobey, Could you mention the problems that you have faced on CES env for RH 7.3. Is it related to the Kernel or in Ganesha environment ? Your thoughts/inputs would help us in fixing the same. Currently working on the CES environment on RH 7.3 support side. With Regards, Ravi K Komanduri

[gpfsug-discuss] CES ON RHEL7.3

2016-12-06 Thread Sobey, Richard A
A word of wisdom: do not try and run CES on RHEL 7.3 :) Although it appears to work, a few things break and it becomes a bit unpredictable as I found out the hard way. I didn't intend to run 7.3 of course as I knew it wasn't supported. Richard ___

[gpfsug-discuss] ltfsee fsopt question...

2016-12-06 Thread Valdis Kletnieks
Is it possible to use 'ltfsee fsopt' to set stub and preview sizes on a per-fileset basis, or is it fixed across an entire filesystem? ___ gpfsug-discuss mailing list gpfsug-discuss at spectrumscale.org http://gpfsug.org/mailman/listinfo/gpfsug-discuss

Re: [gpfsug-discuss] Intel Whitepaper - Spectrum Scale & LROC with NVMe

2016-12-06 Thread Sven Oehme
i am not sure i understand your comment with 'persistent' do you mean when you create a nsddevice on a nvme device it won't get recognized after a restart ? if thats what you mean there are 2 answers , short term you need to add a /var/mmfs/etc/nsddevices script to your node that simply adds an

Re: [gpfsug-discuss] Intel Whitepaper - Spectrum Scale & LROC with NVMe

2016-12-06 Thread Matt Weil
Hello all, Thanks for sharing that. I am setting this up on our CES nodes. In this example the nvme devices are not persistent. RHEL's default udev rules put them in /dev/disk/by-id/ persistently by serial number so I modified mmdevdiscover to look for them there. What are others doing?

Re: [gpfsug-discuss] GPFS 3.5 to 4.1 Upgrade Question

2016-12-06 Thread Steve Duersch
You fit within the "short time". The purpose of this remark is to make it clear that this should not be a permanent stopping place. Getting all nodes up to the same version is safer and allows for the use of new features. Steve Duersch Spectrum Scale 845-433-7902 IBM Poughkeepsie, New York

Re: [gpfsug-discuss] GPFS 3.5 to 4.1 Upgrade Question

2016-12-06 Thread Jan-Frode Myklebust
Currently I'm with IBM Lab Services, and only have small test clusters myself. I'm not sure I've done v3.5->4.1 upgrades, but this warning about upgrading all nodes within a "short time" is something that's always been in the upgrade instructions, and I've been through many of these (I've been a