HP CloudSystem Foundation Guía de usuario Pagina 92

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The maximum input/output per second is the number of 4K or 8K blocks of data per second that
can be sent to a disk when accessing databases or other online access. The maximum blocks in
megabytes (MB) per second is the throughput determined for each volume type. For example, 300
MB/s can sustain large I/O blocks (64K or greater) of data at that rate when performing sequential
access during backups or video streaming. The number of Fibre Channel (FC) ports, and the number
of iSCSI ports that are available for use are also displayed.
See the Volume Types overview screen for other useful information .
What is the benefit of thin provisioning?
When configuring virtual capacity, thinly-provisioned volume types better maximize the use of your
storage than those that are fully-provisioned. Thinly-provisioned volume types reserve the storage
space you specify, and use only what is needed. Any unused storage capacity is then allocated
to satisfy requirements in other areas. Fully provisioned volume types reserve the full allocated
amount of storage space whether used or not, and are not able to take advantage of reallocating
any available unused capacity.
Thin provisioning provides the benefit of not having to allocate more storage and being able to
scale your system without needing to purchase additional hardware.
Add Volume Types
Use this procedure to add volume types. After a volume type is added, you can manage it from
the overview screen.
Prerequisites
Minimum required privileges: Infrastructure administrator
At least one block storage driver has been added
Procedure 45 Adding volume types
1. From the main menu, navigate to Volume Types.
2. Click + Add Volume Type.
3. Enter the data. Select “Help on this page in the CloudSystem Console for more information.
NOTE: When you add a volume type to be used for volumes that will be attached to ESX
virtual machine instances, you must select the correct host mode.
Select VMware for ESX compute volume types and Generic for KVM compute volume types.
4. Do one of the following:
To add only this volume type click Add. The volume type is displayed on the overview
screen.
To add more than one volume type:
a. Click Add+ to complete the first volume type addition and reset the form. The Name field
is cleared, but all other field values will display for reuse.
b. Enter a unique name for the volume type.
c. Update other field values, if needed.
d. Repeat steps a, b, and c until you are finished adding additional volume types, then click
Cancel to dismiss the Add screen. Clicking Cancel displays the new volume types on the
overview screen.
5. Verify that each new volume type is displayed on the Volume Types overview screen. Click
the Name column heading to sort the volume types by name.
92 Storage configuration
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