Switches must be powered on and operating. This procedure is optional if switch configurations have not changed.
Optional Task: Save management network switch configurations before removing power from cabinets or the CDU. Management switch names are listed in the /etc/hosts file.
On Aruba-based systems, all management network switches will be Aruba.
(ncn-m#) Connect to all management network switches.
This loop will login to each switch as the admin username. Provide the password for that
username. The write mem command will be executed on each switch.
for switch in $(awk '{print $2}' /etc/hosts | grep 'sw-'); do
echo "switch ${switch}:"
fping -r0 ${switch}
if [ $? -eq 0 ]; then
ssh admin@$switch write mem
fi
done
The following example output shows the results of each fping, the password prompt, and the
output from the write mem command for two spine switches. Other output is omitted for brevity.
switch sw-spine-001:
sw-spine-001 is alive
...
admin@sw-spine-001's password:
Copying configuration: [Success]
switch sw-spine-002:
sw-spine-002 is alive
...
admin@sw-spine-002's password:
Copying configuration: [Success]
...
On Dell and Mellanox based systems, all spine and any leaf switches will be Mellanox. Any Leaf-BMC and CDU switches will be Dell.
(ncn-m#) Connect to all management network switches.
This loop will login to each switch as the admin username. Provide the password for that username. While logged in to each switch, some commands will be issued. Then after typing exit, the loop will login to the next switch.
for switch in $(awk '{print $2}' /etc/hosts | grep 'sw-'); do echo "switch ${switch}:" ; ssh admin@$switch; done
For a Mellanox switch:
Note: Depending on the firmware version, some Mellanox switches may identify themselves as “NVIDIA Onyx”.
enable
write memory
exit
For a Dell switch:
write memory
exit
Example output:
switch sw-spine-001:
NVIDIA Onyx Switch Management
Password:
Last login: Thu Jul 19 12:21:16 UTC 2001 from 10.254.1.14 on pts/0
Number of total successful connections since last 1 days: 98
###############################################################################
# CSM version: 1.3
# CANU version: 1.6.20
###############################################################################
sw-spine-001 [mlag-domain: standby] > enable
sw-spine-001 [mlag-domain: standby] # write memory
sw-spine-001 [mlag-domain: standby] # exit
Connection to sw-spine-001 closed.
...
switch sw-leaf-bmc-001:
Debian GNU/Linux 9
Dell EMC Networking Operating System (OS10)
admin@sw-leaf-bmc-001's password:
Linux sw-leaf-bmc-001 4.9.189 #1 SMP Debian 4.9.189-3+deb9u2 x86_64
###############################################################################
# CSM version: 1.3
# CANU version: 1.6.20
###############################################################################
sw-leaf-bmc-001# write memory
sw-leaf-bmc-001# exit
Session terminated for user admin on line vty 0 ( 10.254.1.12 )
Connection to sw-leaf-bmc-001 closed.
...
Save configuration settings on Edge Router switches (Arista, Aruba or Juniper) that connect customer storage networks to the Slingshot network if these switches exist in the site and the configurations have changed. Edge switches are accessible from the ClusterStor management network and the CSM management network.
Example:
ssh admin@cls01053n00
admin@cls01053n00 password:
ssh r0-100gb-sw01
enable
write memory
exit
Return to System Power Off Procedures and continue with next step.