Re: [lustre-discuss] lru_size question

2021-09-14 Thread Andreas Dilger via lustre-discuss
On Sep 9, 2021, at 02:49, Thomas Roth mailto:t.r...@gsi.de>> wrote: Hi all, I have checked the lru_size on an (2.12.5) system that has just been restarted. The defaults have never been touched on that system, and so I see lru_size=0 for all OSTs, on the MDS as on a client, as it should be. The

Re: [lustre-discuss] Disabling multi-rail dynamic discovery

2021-09-14 Thread Andreas Dilger via lustre-discuss
On Sep 14, 2021, at 11:17, Vicker, Darby J. (JSC-EG111)[Jacobs Technology, Inc.] via lustre-discuss wrote: > > Ah yes, I see what the lnet unit file is doing. OK, I think this is all > straighten out and working great now. We have a fairly extensive init script > (the lustre3 script in

Re: [lustre-discuss] Disabling multi-rail dynamic discovery

2021-09-14 Thread Andreas Dilger via lustre-discuss
On Sep 14, 2021, at 11:17, Vicker, Darby J. (JSC-EG111)[Jacobs Technology, Inc.] via lustre-discuss mailto:lustre-discuss@lists.lustre.org>> wrote: Ah yes, I see what the lnet unit file is doing. OK, I think this is all straighten out and working great now. We have a fairly extensive init

[lustre-discuss] Correct ZoL version matching Lustre 2.12.7 ?

2021-09-14 Thread Riccardo Veraldi
Hello, I am about to deploy a new Lustre 2.12.7 systems. With ZoL version should I choose for my Lustre/ZFS system ? 0.7.13, 0.8.6, 2.0.5, 2.1.0 ? Thanks Rick ___ lustre-discuss mailing list lustre-discuss@lists.lustre.org

Re: [lustre-discuss] Disabling multi-rail dynamic discovery

2021-09-14 Thread Vicker, Darby J. (JSC-EG111)[Jacobs Technology, Inc.] via lustre-discuss
Ah yes, I see what the lnet unit file is doing. OK, I think this is all straighten out and working great now. We have a fairly extensive init script (the lustre3 script in previous posts) that does various checks in addition to loading modules and mounting/unmounting the filesystems. But at

Re: [lustre-discuss] Disabling multi-rail dynamic discovery

2021-09-14 Thread Horn, Chris via lustre-discuss
When you start LNet via ‘modprobe lnet; lctl net up’, that doesn’t load the configuration from /etc/lnet.conf. It is going to configure LNet based only on kernel module parameters. Since you removed the ‘options lnet networks’ from your modprobe.conf file, it is going to use the default

Re: [lustre-discuss] [EXTERNAL] Re: Disabling multi-rail dynamic discovery

2021-09-14 Thread Vicker, Darby J. (JSC-EG111)[Jacobs Technology, Inc.] via lustre-discuss
So I"m a little confused. When I take the "options lnet networks=o2ib1(ib0)" line out of the modprobe conf file and instead put that info in the lnet.conf file, things don't work properly. [root@r1i1n18 lnet]# cat /etc/modprobe.d/lustre.conf options ko2iblnd map_on_demand=32 [root@r1i1n18