Information Technology Reference
In-Depth Information
Adding the ISCSI data domain
After a few seconds, the new storage domain we created will get attached to the data cen-
ter we created, go into the locked state, and return automatically to the active state. Wait
till the first data domain turns to the up state before you proceed further. You can see that
the new data domain holds the status of Master , which is used to store the metadata of
storage domains, handle cluster locks, handle creation and deletion of virtual machine im-
ages, and manage SPM leases. The Master data domain role can migrate across any act-
ive storage domains in the data center as per the need.
Adding a data domain of other storage types
Please note that creating a data storage domain using the storage type of iSCSI and FCP
are mostly similar except under FCP there is no need to enter any discovery target section,
where selecting the host will automatically scan for the LUN presented to the host via a
fiber channel.
If you plan to use NFS as a data storage domain, then please refer to the Configuring and
activating export domain section of this chapter where we are going to use NFS exports as
backend storage for the export and import of virtual machines. The only difference is that
you need to follow the same step, except the Domain / Storage Type should be changed
to Data / NFS instead of Export / NFS while adding the NFS disk as a data domain.
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