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HP Data Protector A.06.11 Support for Vmware vstorage technical ...

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Table 5 Disk space requirements<br />

Backup<br />

method<br />

vStorage<br />

Image<br />

Required disk space on datastores Explanation<br />

A specified percentage of the sum of all<br />

virtual machine disk sizes, plus:<br />

the size of any quiescence zip files, if<br />

quiescence is specified.<br />

the size of the virtual machine memory<br />

file, if specified.<br />

After a snapshot is created, changes made to<br />

the virtual machine disks are recorded to<br />

separate files (one delta file is created <strong>for</strong><br />

each virtual machine disk). A delta file can<br />

grow up to the total size of the virtual<br />

machine disk. Keep this in mind when<br />

specifying Free space required.<br />

To disable the check <strong>for</strong> available disk space <strong>for</strong> a backup, select a value of 0 <strong>for</strong> the option Free<br />

space required when setting up the backup specification.<br />

Per<strong>for</strong>mance: Specifying Quiescence can slow down the speed of backup sessions<br />

considerably.<br />

Concurrent sessions: Backup sessions that use the same devices or back up the same<br />

datacenter cannot run concurrently. If multiple sessions are started concurrently, one session<br />

waits <strong>for</strong> the other to complete.<br />

Installation<br />

Prerequisites<br />

To install the VEPA General Release Patch DPWIN_00483, you must first have <strong>HP</strong> <strong>Data</strong> <strong>Protector</strong><br />

<strong>A.06.11</strong> installed, with the following:<br />

A supported Windows Cell Manager.<br />

A supported Windows user interface client.<br />

A supported Windows Installation Server.<br />

A supported Windows system available <strong>for</strong> use as a backup host.<br />

For further in<strong>for</strong>mation on the supported systems, refer to the support matrix.<br />

The VMware virtual environment to be backed up must be at vSphere 4.0 or 4.1.<br />

Note<br />

The <strong>Data</strong> <strong>Protector</strong> VMware Infrastructure Integration does not have to be installed, but if it is<br />

already installed, it does not have to be removed: The existing agent can work in parallel with the<br />

<strong>Data</strong> <strong>Protector</strong> VMware vStorage integration <strong>for</strong> versions of VMware that support the VCB backup<br />

method as well as the vStorage API.<br />

You also need to have the following <strong>Data</strong> <strong>Protector</strong> patch installed:<br />

DPWIN_00455 Core Packet patch<br />

Some of the defect fixes contained in this patch depend on the following additional patches:<br />

DPWIN_00456<br />

Cell Server Packet patch,<br />

release date: Available

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