Dell PowerStore 5200T EMC PowerStore Host Configuration Guide - Page 38

Known Issues, vStorage API for System Integration (VAAI) Settings

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---- nqn.1988-11.com.dell:powerstore:00:a25a740af431A946CBF6#vmhba67#172.28.1.223:4420 281 vmhba67 TCP true nqn.1988-11.com.dell:powerstore:00:a25a740af431A946CBF6#vmhba67#172.28.1.222:4420 280 vmhba67 TCP true nqn.1988-11.com.dell:powerstore:00:a25a740af431A946CBF6#vmhba69#172.28.2.223:4420 287 vmhba69 TCP true nqn.1988-11.com.dell:powerstore:00:a25a740af431A946CBF6#vmhba69#172.28.2.222:4420 288 vmhba69 TCP true NOTE: A controller should be created against each NVMe/TCP storage IP. 3. Use the following commands to discover and connect to the NVMe subsystem: $ esxcli nvme fabrics discover -a vmhba67 -i 1.1.1.1 -c $esxcli nvme fabrics discover -a vmhba69 -i 1.1.2.1 -c Known Issues If you are using NVMe/TCP, it is highly recommended to upgrade to PowerStore operating system 2.1.1. For details, see Dell EMC Knowledge Article 000196492 (PowerStore: IO on ESXi VMs...). vStorage API for System Integration (VAAI) Settings PowerStore Storage cluster fully supports VAAI. VAAI must be enabled on the ESXi host before using PowerStore. VAAI is an API that offloads operations such as virtual machine provisioning, storage cloning, and space reclamation to storage clusters that supports VAAI. To ensure optimal performance of PowerStore storage from vSphere, VAAI must be enabled on the ESXi host before using PowerStore storage from vSphere. Failure to do so may expose the PowerStore cluster to the risk of datastores becoming inaccessible to the host. This section describes the necessary settings for configuring VAAI for PowerStore storage. Confirming that VAAI is Enabled on the ESXi Host Follow the steps below to confirm that VAAI is enabled on the ESXi host. About this task When you are using vSphere ESXi version 6.5 and above, VAAI is enabled by default. Before using the PowerStore storage, confirm that VAAI features are enabled on the ESXi host. Steps 1. Verify that the following parameters are enabled (that is, set to 1): ● DataMover.HardwareAcceleratedMove ● DataMover.HardwareAcceleratedInit ● VMFS3.HardwareAcceleratedLocking 2. If any of the above parameters are not enabled, click the Edit icon and then click OK to adjust them. Example The examples below can be used to query for VAAI status and to enable VAAI using CLI. 38 Host Configuration for VMware vSphere ESXi

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----
-----------------
-------
--------------
---------
nqn.1988-11.com.dell:powerstore:00:a25a740af431A946CBF6#vmhba67#172.28.1.223:4420
281
vmhba67
TCP
true
nqn.1988-11.com.dell:powerstore:00:a25a740af431A946CBF6#vmhba67#172.28.1.222:4420
280
vmhba67
TCP
true
nqn.1988-11.com.dell:powerstore:00:a25a740af431A946CBF6#vmhba69#172.28.2.223:4420
287
vmhba69
TCP
true
nqn.1988-11.com.dell:powerstore:00:a25a740af431A946CBF6#vmhba69#172.28.2.222:4420
288
vmhba69
TCP
true
NOTE:
A controller should be created against each NVMe/TCP storage IP.
3.
Use the following commands to discover and connect to the NVMe subsystem:
$ esxcli nvme fabrics discover -a vmhba67 -i 1.1.1.1 -c
$esxcli nvme fabrics discover -a vmhba69 -i 1.1.2.1 -c
Known Issues
If you are using NVMe/TCP, it is highly recommended to upgrade to PowerStore operating system 2.1.1. For details, see
Dell
EMC Knowledge Article 000196492 (PowerStore: IO on ESXi VMs...)
.
vStorage API for System Integration (VAAI) Settings
PowerStore Storage cluster fully supports VAAI. VAAI must be enabled on the ESXi host before using PowerStore.
VAAI is an API that offloads operations such as virtual machine provisioning, storage cloning, and space reclamation to storage
clusters that supports VAAI.
To ensure optimal performance of PowerStore storage from vSphere, VAAI must be enabled on the ESXi host before using
PowerStore storage from vSphere. Failure to do so may expose the PowerStore cluster to the risk of datastores becoming
inaccessible to the host.
This section describes the necessary settings for configuring VAAI for PowerStore storage.
Confirming that VAAI is Enabled on the ESXi Host
Follow the steps below to confirm that VAAI is enabled on the ESXi host.
About this task
When you are using vSphere ESXi version 6.5 and above, VAAI is enabled by default. Before using the PowerStore storage,
confirm that VAAI features are enabled on the ESXi host.
Steps
1.
Verify that the following parameters are enabled (that is, set to 1):
●
DataMover.HardwareAcceleratedMove
●
DataMover.HardwareAcceleratedInit
●
VMFS3.HardwareAcceleratedLocking
2.
If any of the above parameters are not enabled, click the
Edit
icon and then click
OK
to adjust them.
Example
The examples below can be used to query for VAAI status and to enable VAAI using CLI.
38
Host Configuration for VMware vSphere ESXi