To make full use of the new iSCSI storage, create a new datastore. This datastore can be mounted to all the hosts in the cluster.
Steps
In the vCenter Client select the cluster name.
Click
Related Objects >
Datastores, then click the
Add New Datastore icon to create a new datastore over iSCSI.
The
New Datastore window is displayed.
In the
Type window, select
VMFS.
In the
Name and device selection window specify the name for the datastore:
Choose one of the ESXi hosts for
Select a host to view its accessible disks/Luns.
Select the available iSCSI volume in the lower table.
In the
Partition configuration window, adjust the iSCSI datastore
Size.
It is recommended to set
Size to
Use all available partitions.
In the
Ready to complete window, review your entries and then click
Finish to complete the datastore creation.
The datastore over iSCSI is listed. Its status is “Unknown”.
Click the
Refresh icon.
The datastore status changes to “Normal”.
In the
Storage tab, check the connection status between the iSCSI datastore and the hosts.
Results
After the VMFS over iSCSI datastore is created, you can:
Provision VMs to the VMFS datastore using the vSphere Client
Perform standard operations such as Open Console, Power On, Shutdown VM, Suspend VM, and clone VM
Migrate VMs between
VxRail datastores and iSCSI datastores
Protect iSCSI external storage access with redundant path
In maintenance mode, VMs move to another node on the same iSCSI datastore automatically. The rebooted node is connected to the iSCSI datastore automatically. The iSCSI volume is kept as Remote Disk.
The benefit from the iSCSI multipath configuration is that if the physical adapter vmnic0 is down, iSCSI IO switches to another vmnic without interruption. When vmnic0 is back online, iSCSI IO will switch back to vmnic0 without IO interruption.
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