The Lustre file system should start up before the compute nodes, and compute node Lustre clients should be unmounted before shutting down the Lustre file system.
If more than one boot image is set up to run, the administrator can check which image is set up to boot with the xtcli boot_cfg show or xtcli part_cfg show pN commands. To change which image is booting, see Update the Boot Configuration
Log on to the SMW as crayadm.
Invoke the xtbootsys command to boot the boot node. If the system is partitioned, invoke xtbootsys with the --partition pN option.
crayadm@smw> xtbootsys
The xtbootsys command prompts with a series of questions. Cray recommends answering yes by typing Y to each question.
Enter your boot choice:
0) boot bootnode ...
1) boot sdb ...
2) boot compute ...
3) boot service ...
4) boot all (not supported) ...
5) boot all_comp ...
10) boot bootnode and wait ...
11) boot sdb and wait ...
12) boot compute and wait ...
13) boot service and wait ...
14) boot all and wait (not supported) ...
15) boot all_comp and wait ...
17) boot using a loadfile ...
18) turn console flood control off ...
19) turn console flood control on ...
20) spawn off the network link recovery daemon (xtnlrd)...
q) quit.
Select option 10 (boot bootnode and wait).
A prompt to confirm the selection is displayed. Press the Enter key or type Y to each question to confirm.
Do you want to boot the boot node ? [Yn] Y
Do you want to send the ec_boot event ('no' means to only load memory) ? [Yn] Y
After the boot node is booted, the process returns to the boot choice menu.
Select option 11 (boot sdb and wait).
A prompt to confirm the selection is displayed. Press the Enter key or type Y to each question to confirm.
Do you want to boot the sdb node ? [Yn] Y
Do you want to send the ec_boot event ('no' means to only load memory) ? [Yn] Y
Select option 13 (boot service and wait).
A prompt to enter a list of service nodes to be booted is displayed.
Type p0 to boot the remaining service nodes in the entire system or pN (where N is the partition number) to boot a partition.
Do you want to boot service p0 ? [Yn] Y
Do you want to send the ec_boot event ('no' means to only load memory) ? [Yn] Y
To confirm the selection, press the Enter key or type Y to each question.
Log on to any service nodes for which there are local configuration or startup scripts (such as starting Lustre) and run the scripts.