chsystemethernet
The chsystemethernet command is used to set the priority tag for host attachment, system, and storage traffic.
Syntax
Parameters
- -hostattachcos host_attach_priority_tag
- (Optional) Specify the system-wide host attach priority tag that you want to be used by all host attach traffic over iSCSI, or NVMeF. The value must be in the range 0 (default) - 7.
- -systemcos priority_tag_for_system_traffic
- (Optional) Specify the system-wide clustering priority tag that you want to be used by
system traffic. The value must be in the range 0 (default) - 7.Note: After changing -systemcos, you must run satask stopnode -warmstart orderly on all the nodes in the system.
- -storagecos storage_priority_tag
- (Optional) Specify the system-wide storage priority tag that you want to be used by storage traffic. The value must be in the range 0 (default) - 7.
Description
Use the chsystemethernet command to set system-wide Ethernet related properties. This command affects all existing and new iSCSI sessions. The priority of iSCSI packets changes immediately after the priority tag is changed by using the chsystemethernet command.
Note: PFC is supported on Lancer, Mellanox, and Chelsio. PFC is not supported on
Intel.
An invocation example to set the host attach priority tag (class of service) to 4, system priority tag to 5, and storage priority tag to 6.
chsystemethernet -hostattachcos 4 -systemcos 5 -storagecos 6The resulting output:
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