Information Technology Reference
In-Depth Information
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4.
Click the Manage
Storage tab.
5.
Select Host Cache Coni guration as shown in Figure 11.31.
Figure 11.31
h e Host Cache
Confi guration
feature is designed
specifi cally for SSD
datastores.
6.
Highlight the appropriate SSD-backed VMFS datastore and click the Edit pencil icon.
7.
Finally, ensure the Allocate Space For Host Cache is checked. The size is customizable if
you would like to use this datastore for other purposes.
8.
Click OK to i nalize the coni guration.
Once Swap to Host Cache is enabled, the host proceeds to i ll the allocated size on the data-
store with .vswp i les (see Figure 11.32). These .vswp i les will be used instead of the “regular”
.vswp i les that are usually found within the same datastore as the other VM i les. Something to
keep in mind here is that this setting needs to be enabled on every host within a cluster because
it is not cluster aware. If a VM is vMotioned to a host that does not have Swap to Host Cache
enabled, the normal datastore-based swapi les will be used.
Figure 11.32
As soon as a data-
store has been
enabled for Host
Cache, it is fi lled
with pre-allocated
fi les.
