My UPS started complaining about the batteries being bad, but that is to be expected since they are five years old by now.
Here are some photos for reference on how the batteries should be connected.
Using IPMI it’s possible to get some remote management features without having a DRAC card in the server. At least remote power control and serial over LAN are available.
Setting up IPMI using ipmitool:
Change ip, netmask and defgw to match your network.
ipmitool lan set 1 ipsrc static ipmitool lan set 1 ipaddr 10.1.2.3 ipmitool lan set 1 netmask 255.255.255.0 ipmitool lan set 1 defgw 10.1.2.1 ipmitool lan set 1 auth callback md5 ipmitool lan set 1 auth operator md5 ipmitool lan set 1 auth admin md5 ipmitool lan set 1 auth user md5 ipmitool lan set 1 access on ipmitool lan set 1 arp respond on # If needed configure vlan id ipmitool lan set 1 vlan id 100
ipmitool user set name 2 admin ipmitool user set password 2 SecretPassword1 ipmitool user enable 2 ipmitool user priv 2 4 1 ipmitool user priv 2 4 2 # List enabled users ipmitool user list 1 ipmitool user list 2
Enable serial over lan
ipmitool sol set privilege-level admin 1 ipmitool sol set force-encryption true 1 ipmitool sol set force-authentication true 1 ipmitool sol set non-volatile-bit-rate 57.6 1 ipmitool sol set volatile-bit-rate 57.6 1 ipmitool sol set enabled true 1 ipmitool sol payload enable 1 2
To connect to the serial over lan console use the following command:
ipmitool -I lanplus -H 10.1.2.3 -U admin -P SecretPassword1 sol activate
The serial console supports some escape sequences, which can be checked by typing ~?
Supported escape sequences: ~. - terminate connection ~^Z - suspend ipmitool ~^X - suspend ipmitool, but don't restore tty on restart ~B - send break ~? - this message ~~ - send the escape character by typing it twice (Note that escapes are only recognized immediately after newline.)
Examples of common operations
ipmitool -H 10.1.2.3 -U admin -P SecretPassword1 chassis power reset
ipmitool chassis identify
All except serial over lan should work on all servers with IPMI.
Serial over LAN requires IPMI 2.0.
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