oleg440-server: Warning: Permanently added 'oleg440-server' (ECDSA) to the list of known hosts.

pdsh@oleg440-client: oleg440-server: ssh exited with exit code 2
pdsh@oleg440-client: oleg440-server: ssh exited with exit code 2
pdsh@oleg440-client: oleg440-server: ssh exited with exit code 2
MGS_OS_ID_LIKE=rhel centos fedora rocky
MGS_OS_VERSION_ID=8.10
MGS_OS_ID=rocky
MGS_OS_VERSION_CODE=134873088
oleg440-server: Connection reset by 192.168.204.140 port 22

pdsh@oleg440-client: oleg440-server: ssh exited with exit code 255
mds1: has no /etc/os-release
Linux oleg440-server.virtnet 4.18.0rh8.10-debug #2 SMP Mon Jul 14 01:24:22 EDT 2025 x86_64 x86_64 x86_64 GNU/Linux
0 /etc/centos-release
0 /etc/os-release
0 /etc/redhat-release
4 /etc/rocky-release
0 /etc/system-release
OST1_OS_VERSION_CODE=134873088
OST1_OS_ID_LIKE=rhel centos fedora rocky
OST1_OS_VERSION_ID=8.10
OST1_OS_ID=rocky
CLIENT_OS_ID=rocky
CLIENT_OS_VERSION_CODE=134873088
CLIENT_OS_VERSION_ID=8.10
CLIENT_OS_ID_LIKE=rhel centos fedora rocky
Started at Thu Jul 30 02:52:30 EDT 2026
Lustre is not mounted, trying to do setup ... 
Stopping clients: oleg440-client.virtnet /mnt/lustre (opts:-f)
Stopping clients: oleg440-client.virtnet /mnt/lustre2 (opts:-f)
Stopping /mnt/lustre-mds1 (opts:-f) on oleg440-server
oleg440-server: bash: /usr/bin/umount: Input/output error
pdsh@oleg440-client: oleg440-server: ssh exited with exit code 126