HP 12000 HP VLS Solutions Guide Design Guidelines for Virtual Library Systems - Page 129

VLS Configuration and Backup Application Guidelines, SAN Configuration Guidelines - driver

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9 VLS Configuration and Backup Application Guidelines To achieve full performance benefits from the VLS, you may need to modify your enterprise backup application configuration (for example, to take advantage of the fact that you can create many more virtual tape drives than a physical tape library holds). If you have enabled deduplication, you may need additional changes in your enterprise backup application to take full advantage of this capacity optimization technology. Follow these guidelines before you begin deduplicating your data or some data may not deduplicate efficiently. SAN Configuration Guidelines For more specific information about the following items, see "LUN Masking and Mapping" (page 40) and "Operating System Tape Configuration" (page 38). • LUN Masking Do not present every virtual drive to every client or media server. Large configurations use LUN masking on the VLS and have dedicated tape drives to each media server with only one media server controlling the robotics. • FC HBA Firmware/Drivers Verify that all SAN switches are supported by the VLS and have current firmware. Verify your configuration with the EBS Matrix available at http://www.hp.com/go/ebs. • Disable FC HBA Target Reset For FC HBAs in the backup servers, disable any that have TARGET RESET mode enabled by default (for example, Qlogic 4Gb PCI-E HBA on Linux). • FC Switches Verify that all SAN switches are supported by the VLS and have current firmware. Verify your configuration with the EBS Matrix available at http://www.hp.com/go/ebs. • Observe HP's Enterprise Backup Solutions best practices for Windows Clients. 1. On Windows Clients, ensure that "Removal Storage Manager" is disabled. See the HP Enterprise Backup Solution design guide available at http://h20000.www2.hp.com/ bc/docs/support/SupportManual/c00775232/c00775232.pdf. 2. Disable Plug and Play Test Unit Ready polling. See the HP Enterprise Backup Solution design guide available at http://h20000.www2.hp.com/bc/docs/support/ SupportManual/c00775232/c00775232.pdf. 3. Disable HP Management Agents Tape Support polling: a. Start HP Management Agents from the Windows Control Panel. b. Verify that the Window title indicates the agent's version is 7.2 or higher. c. Click on the Storage tab and confirm that the check box next to Disable Fibre Agent Tape Support is selected. 4. Disable Microsoft System Center Configuration Manager (SCCM). You will receive the message, "External Event Caused a Rewind" if this is not disabled. • Observe HP's Enterprise Backup Solutions best practices for UNIX/Linux Hosts. See the HP Enterprise Backup Solution design guide available at http://h20000.www2.hp.com/bc/ docs/support/SupportManual/c00775232/c00775232.pdf and review the section on UNIX/Linux configuration and operating system details. Device Configuration Preparation Before installing and configuring the VLS device, review the following steps needed to scope the configuration requirements for the VLS and the backup application following the best practices. SAN Configuration Guidelines 129

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9 VLS Configuration and Backup Application Guidelines
To achieve full performance benefits from the VLS, you may need to modify your enterprise backup
application configuration (for example, to take advantage of the fact that you can create many
more virtual tape drives than a physical tape library holds). If you have enabled deduplication,
you may need additional changes in your enterprise backup application to take full advantage of
this capacity optimization technology. Follow these guidelines
before
you begin deduplicating
your data or some data may not deduplicate efficiently.
SAN Configuration Guidelines
For more specific information about the following items, see
“LUN Masking and Mapping” (page 40)
and
“Operating System Tape Configuration” (page 38)
.
•
LUN Masking
Do not present every virtual drive to every client or media server. Large configurations use
LUN masking on the VLS and have dedicated tape drives to each media server with only one
media server controlling the robotics.
•
FC HBA Firmware/Drivers
Verify that all SAN switches are supported by the VLS and have current firmware. Verify your
configuration with the EBS Matrix available at
h
t
tp://w
w
w
.hp
.co
m/go/eb
s
.
•
Disable FC HBA Target Reset
For FC HBAs in the backup servers, disable any that have TARGET RESET mode enabled by
default (for example, Qlogic 4Gb PCI-E HBA on Linux).
•
FC Switches
Verify that all SAN switches are supported by the VLS and have current firmware. Verify your
configuration with the EBS Matrix available at
h
t
tp://w
w
w
.hp
.co
m/go/eb
s
.
•
Observe HP’s Enterprise Backup Solutions best practices for Windows Clients.
1.
On Windows Clients, ensure that “Removal Storage Manager” is disabled. See the
HP
Enterprise Backup Solution design guide
available at
h
t
tp://h20000.w
w
w2
.hp
.co
m/
bc/doc
s/su
ppo
r
t/Su
ppo
r
tMan
ual/c00
7
7
5
2
3
2/c00
7
7
5
2
3
2
.pdf
.
2.
Disable Plug and Play Test Unit Ready polling. See the
HP Enterprise Backup Solution
design guide
available at
h
t
tp://h20000.w
w
w2
.hp
.co
m/bc/doc
s/su
ppo
r
t/
Su
ppo
r
tMan
ual/c00
7
7
5
2
3
2/c00
7
7
5
2
3
2
.pdf
.
3.
Disable HP Management Agents Tape Support polling:
a.
Start HP Management Agents from the Windows Control Panel.
b.
Verify that the Window title indicates the agent's version is 7.2 or higher.
c.
Click on the Storage tab and confirm that the check box next to Disable Fibre Agent
Tape Support is selected.
4.
Disable Microsoft System Center Configuration Manager (SCCM). You will receive the
message, “External Event Caused a Rewind” if this is not disabled.
•
Observe HP’s Enterprise Backup Solutions best practices for UNIX/Linux Hosts. See the
HP
Enterprise Backup Solution design guide
available at
h
t
tp://h20000.w
w
w2
.hp
.co
m/bc/
doc
s/su
ppo
r
t/Su
ppo
r
tMan
ual/c00
7
7
5
2
3
2/c00
7
7
5
2
3
2
.pdf
and review the section on
UNIX/Linux configuration and operating system details.
Device Configuration Preparation
Before installing and configuring the VLS device, review the following steps needed to scope the
configuration requirements for the VLS and the backup application following the best practices.
SAN Configuration Guidelines
129