How can server performance degradation be avoided during backup in a large virtualized
environment with HP Data Protector?
A.
Utilize VMware ESX Server Snapshots
B.
Use HP StoreOnce D2DBS generic library emulation
C.
Configure target side deduplication
D.
Implement zero downtime Backup
C
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Best answer is in fact D.
In addition, server performance and application
performance can be impacted when virtual
machines compete for host-server resources
during the backup process. In mission-critical
environments, where IT staff are typically running
10 to 20 virtual machines on a physical server,
it’s essential to lessen the performance impact of
a virtual server backup. While some hypervisors
have addressed this issue through the introduction
of new applications and tools, it remains
an issue in other virtual environments.
In a VMware environment, Data Protector’s Zero
Downtime Backup extension can dramatically speed
up recovery times and virtually eliminate the backup
window. Data Protector supports VMware vSphere
4.1 environments, as well as historical VMware
platforms such as Virtual Infrastructure. Data
Protector also supports key VMware functionality,
such as the vStorage API for Data Protection
(VADP), Distributed Resource Scheduler (DRS), and
vMotion to certify that all virtual machines
are protected as changes or additions occur.
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The questions is not talking about deduplication so D is the correct answer.
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