Release Notes

Configuration and management

16 Dell EMC SC Series and VMware vSphere Virtual Volumes Best Practices | 3161-BP-SC

4.2.2 esxcli

The following esxcli command reveals a protocol endpoint is using the VMW_PSP_MRU Path Selection

Policy:

[root@tssrv251:~] esxcli storage nmp device list -d

naa.6000d31000ed1f010000000000000025

Device Display Name: COMPELNT Fibre Channel Disk

(naa.6000d31000ed1f010000000000000025)

Storage Array Type: VMW_SATP_ALUA

Storage Array Type Device Config: {implicit_support=on;explicit_support=off;

explicit_allow=on;alua_followover=on; action_OnRetryErrors=off;

{TPG_id=61448,TPG_state=AO}{TPG_id=61447,TPG_state=AO}{TPG_id=61445,TPG_state=AO

}{TPG_id=61446,TPG_state=AO}}

Path Selection Policy: VMW_PSP_MRU

Path Selection Policy Device Config: Current Path=vmhba1:C0:T0:L256

Path Selection Policy Device Custom Config:

Working Paths: vmhba1:C0:T0:L256

Is USB: false

Esxcli can be used to modify the Protocol Endpoint PSP:

[root@tssrv251:~] esxcli storage nmp device set -d

naa.6000d31000ed1f010000000000000025 -P VMW_PSP_RR

The Protocol Endpoint is now using the Round Robin Path Selection Policy:

[root@tssrv251:~] esxcli storage nmp device list -d

naa.6000d31000ed1f010000000000000025

Device Display Name: COMPELNT Fibre Channel Disk

(naa.6000d31000ed1f010000000000000025)

Storage Array Type: VMW_SATP_ALUA

Storage Array Type Device Config: {implicit_support=on;explicit_support=off;

explicit_allow=on;alua_followover=on; action_OnRetryErrors=off;

{TPG_id=61448,TPG_state=AO}{TPG_id=61447,TPG_state=AO}{TPG_id=61445,TPG_state=AO

}{TPG_id=61446,TPG_state=AO}}

Path Selection Policy: VMW_PSP_RR

Path Selection Policy Device Config:

{policy=rr,iops=1000,bytes=10485760,useANO=0; lastPathIndex=1:

NumIOsPending=0,numBytesPending=0}

Path Selection Policy Device Custom Config:

Working Paths: vmhba2:C0:T1:L256, vmhba2:C0:T0:L256, vmhba1:C0:T0:L256,

vmhba1:C0:T1:L256

Is USB: false