However, it is still timing out when I try to mount on the oss. This is the kernel module:

[root@mds ~]# lsmod | grep lnet
lnet                  704512  7 mgs,obdclass,osp,ptlrpc,mgc,ksocklnd,mdt
libcfs 266240 15 fld,lnet,fid,lod,mdd,mgs,obdclass,osp,ptlrpc,mgc,ksocklnd,mdt,osd_ldiskfs,lquota,lfsck
sunrpc                577536  2 lnet

But it only listens on tcp6, which I don't use - is there a way to for it to use tcp4?

[root@mds ~]# netstat -nap | grep 988
tcp6 0 0 :::988 :::* LISTEN -

/jan

On 27/09/2023 10:15, Jan Andersen wrote:
Hi Rick,

Very strange - when I started the vm this morning, 'modprobe lnet' didn't return an error - and it seems to have loaded the module:

[root@rocky8 ~]# lsmod | grep lnet
lnet                  704512  0
libcfs                266240  1 lnet
sunrpc                577536  2 lnet

Looking at the running kernel and the kernel source, they now seem to be the same version:

[root@rocky8 ~]# ll /usr/src/kernels
total 4
drwxr-xr-x. 23 root root 4096 Sep 26 12:34 4.18.0-477.27.1.el8_8.x86_64/
[root@rocky8 ~]# uname -r
4.18.0-477.27.1.el8_8.x86_64

- which would explain that it now works. Things were a bit hectic with other things yesterday afternoon, and I don't quite remember installing a new kernel, but it looks like I did. Hopefully this is my problem solved, then - sorry for jumping up and down and making noise!

/jan

On 26/09/2023 18:13, Mohr, Rick wrote:
What error do you get when you run "modprobe lnet"?

--Rick

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