On Oct 19, 2023, at 19:58, Benedikt Alexander Braunger via lustre-discuss
<lustre-discuss@lists.Lustre.org<mailto:lustre-discuss@lists.Lustre.org>> wrote:
Hi Lustrers,
I'm currently struggling with a unmountable Lustre filesystem. The client only
says "no server support", no further logs on client or server.
I first thought this might be related to the usage of fscrypt but I already
recreated the whole filesystem from scratch and the error still persists.
Now I have no more idea what to look for.
Here the full CLI log:
[root@dstorsec01vl]# uname -a
Linux dstorsec01vl 5.14.0-284.11.1.el9_2.x86_64 #1 SMP PREEMPT_DYNAMIC Wed Apr
12 10:45:03 EDT 2023 x86_64 x86_64 x86_64 GNU/Linux
[root@dstorsec01vl]# modprobe lnet
[root@dstorsec01vl]# modprobe lustre
[root@dstorsec01vl]# lnetctl ping pstormgs01@tcp
ping:
- primary nid: 10.106.104.160@tcp
Multi-Rail: False
peer ni:
- nid: 10.106.104.160@tcp
[root@dstorsec01vl]# mount -t lustre pstormgs01@tcp:sif0 /mnt/
mount.lustre: cannot mount pstormgs01@tcp:sif0: no server support
It looks like this is failing because the mount device is missing ":/" in it,
which mount.lustre uses to decide whether this is a client or server
mountpoint. you should be using:
client# mount -t lustre pstormgs01@tcp:/sif0 /mnt/sif0
and this should work. It probably makes sense to improve the error message to
be more clear, like:
mount.lustre: cannot mount block device 'pstormgs01@tcp:sif0': no server
support
or similar
Cheers, Andreas
--
Andreas Dilger
Lustre Principal Architect
Whamcloud
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