serial_over_lan_connection_issues
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serial_over_lan_connection_issues [2018/11/29 14:03] – walkeradmin | serial_over_lan_connection_issues [2018/11/30 10:46] – walkeradmin | ||
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When using the Serial Over LAN function, you are using an internal switch to connect you to the correct item. There are 10 pieces of hardware you can connect to, and these are: | When using the Serial Over LAN function, you are using an internal switch to connect you to the correct item. There are 10 pieces of hardware you can connect to, and these are: | ||
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0 - Switch | 0 - Switch | ||
1 - Node1 | 1 - Node1 | ||
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. | . | ||
9 - Node9 | 9 - Node9 | ||
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The Nodes are the Sleds, each Sled has a Node (BCM) and two CPUs (Payload1 and Payload2) or Server 1 and Server 2, depending on who you speak to. | The Nodes are the Sleds, each Sled has a Node (BCM) and two CPUs (Payload1 and Payload2) or Server 1 and Server 2, depending on who you speak to. | ||
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+ | {{: | ||
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+ | Above we can see the Serial Over LAN port selection. When you are connected to the T1 via a Serial Console connection, you can use the following command: | ||
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+ | ctrl g number | ||
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+ | If you select ctrl-g and the number of the item you wish to select, then this will connect the serial over LAN connection to the correct hardware, for example: | ||
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+ | ctrl g 1 | ||
+ | | ||
+ | Remember | ||
+ | ctrl-g 0 is the switch | ||
+ | ctrl-g 1-9 are the sleds | ||
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+ | <color # | ||
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+ | ctrl gg 0/1/2 | ||
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+ | <color # | ||
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+ | ---- | ||
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+ | ==== Console dropped due to BP Com Request Error ==== | ||
The first error I came across is shown below: | The first error I came across is shown below: | ||
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{{: | {{: | ||
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+ | This occured when using the Web CLI, when I tried to connect, I see the error <color # | ||
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+ | By using a serial connection to the Console port on the T1, you can see the IPMI Tool (115200, | ||
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+ | The error <color # | ||
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+ | You might have to toggle between the BCM and Payload a couple of times to get the BCM to respond (ctrl gg 0, then ctrl gg 1, then ctrl-gg 0) and keep hitting enter until you get a response. | ||
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+ | Once connected to the BMC, and from the command line run the following command: | ||
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+ | mc reset cold | ||
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+ | Reboot the Node, retest the Serial Over LAN connection. | ||
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+ | ---- | ||
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+ | ==== Connection Stops at SOL Session Operational. Use ~? for help Error ==== | ||
+ | If you get this far <color # | ||
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+ | Again, you will either have to connect to the OS with SSH or using the Keyboard / Monitor locally. | ||
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+ | Edit the following file: | ||
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+ | / | ||
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+ | Edit this file from this: | ||
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+ | < | ||
+ | GRUB_TIMEOUT=5 | ||
+ | GRUB_DISTRIBUTOR=" | ||
+ | GRUB_DEFAULT=saved | ||
+ | GRUB_DISABLE_SUBMENU=true | ||
+ | GRUB_TERMINAL_OUTPUT=" | ||
+ | GRUB_CMDLINE_LINUX=" | ||
+ | GRUB_DISABLE_RECOVERY=" | ||
+ | </ | ||
+ | \\ | ||
+ | To this: | ||
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+ | < | ||
+ | GRUB_TIMEOUT=5 | ||
+ | GRUB_DISTRIBUTOR=" | ||
+ | GRUB_DEFAULT=saved | ||
+ | GRUB_DISABLE_SUBMENU=true | ||
+ | GRUB_TERMINAL_OUTPUT=" | ||
+ | GRUB_CMDLINE_LINUX=" | ||
+ | GRUB_DISABLE_RECOVERY=" | ||
+ | GRUB_TERMINAL=" | ||
+ | GRUB_SERIAL_COMMAND=" | ||
+ | </ | ||
+ | \\ | ||
+ | Run the following command | ||
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+ | < | ||
+ | grub2-mkconfig -o / | ||
+ | </ | ||
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+ | Reboot and try the Web CLI Connection again. | ||
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+ | \\ |
serial_over_lan_connection_issues.txt · Last modified: 2023/03/09 22:35 by 127.0.0.1