X-Git-Url: https://code.grnet.gr/git/ganeti-local/blobdiff_plain/d3b4cf9f4a83e9914c8235d6e3c4c819e929c2a9..1b54fc6c2fd92b614c029cc5312d02f9f1526253:/man/gnt-node.sgml diff --git a/man/gnt-node.sgml b/man/gnt-node.sgml index 62355f0..f00440d 100644 --- a/man/gnt-node.sgml +++ b/man/gnt-node.sgml @@ -503,6 +503,51 @@ + MODIFY + + modify + -f + --submit + --master-candidate= + --drained= + --offline= + node + + + + This command changes the role of the node. Each options takes + either a literal yes or + no, and only one option should be given as + yes. The meaning of the roles are described + in the manpage + ganeti 7 + . + + + + In case a node is demoted from the master candidate role, but + there are not enough new nodes for this case, the operation + will be refused. To override this check, pass the + option. + + + + Example (setting a node offline, which will demote it from + master candidate role if is in that role): + +# gnt-node modify --offline=yes node1.example.com + + + + Example (setting the node back to online and master candidate): + +# gnt-node modify --offline=no --master-candidate=yes node1.example.com + + + + + + REMOVE @@ -639,6 +684,36 @@ node1.example.com /dev/hdc1 xenvg instance1.example.com-sda_11001.data 256 inst + + POWERCYCLE + + + powercycle + + + node + + + + This commands (tries to) forcefully reboot a node. It is a + command that can be used if the node environemnt is broken, + such that the admin can no longer login over ssh, but the + ganeti node daemon is still working. + + + + Note that this command is not guaranteed to work; it depends + on the hypervisor how effective is the reboot attempt. For + Linux, this command require that the kernel option + CONFIG_MAGIC_SYSRQ is enabled. + + + + The option can be used to skip + confirmation, while the option is + needed if the target node is the master node. + + &footer;