Configuring Your Hardware. Dell PowerConnect W-AirWave 7.4, W-Airwave

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Configuring Your Hardware. Dell PowerConnect W-AirWave 7.4, W-Airwave | Manualzz

Chapter 2

Configuring Your Hardware

This chapter explains sizing information for the following topics:

“CPU Configuration” on page 11

“Disk Partitioning” on page 11

“Filesystem Configuration” on page 11

CPU Configuration

Ensure that Power Management is configured for Maximum Performance. By default, most vendors configure

BIOS to an eco-friendly setting.

Ensure that Memory Operating Mode is configured to Optimizer Mode, if available.

Disk Partitioning

Dell PowerConnect W-AirWave 7.4 automatically partitions the disk subsystem upon installation. You can override these values.

Table 5 below lists the default partitioning and provides guidance for more advanced

scenarios.

Table 5

Default Partitions

Default Partitions Size

boot

/ swap

100 MB

4 GB

Remainder of disk space

Filesystem Configuration

For Dell PowerConnect W-AirWave 7.4, the NOOP File I/O scheduler provides the best random write performance. If you are running Airwave 7.2 or newer, Airwave should automatically manage this setting for you.

To check the currently assigned scheduler (if sda is not your device name, please replace with the correct device name):

# cat /sys/block/sda/queue/scheduler noop anticipatory deadline [cfq] (Sample Output)

To configure noop as your preferred scheduler:

# echo noop > /sys/block/sda/queue/scheduler

And confirm that your change has been applied:

# cat /sys/block/sda/queue/scheduler

[noop] anticipatory deadline cfq (Expected Output)

Dell PowerConnect W-AirWave 7.4 | Server Sizing Guide

Configuring Your Hardware |

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12 | Configuring Your Hardware Dell PowerConnect W-AirWave 7.4 | Server Sizing Guide

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Frequently Answers and Questions

What is the minimum number of cores needed on the CPU for AirWave?
1 or single
What is the minimum memory requirement for AirWave?
4 GB
What is the minimum disk space requirement for AirWave?
75 GB
What is the recommended minimum sustained 4KB random write rate for the storage?
30 IOPS
What RAID configuration is recommended for a system with 1,000 managed devices?
4 x 15K SAS in RAID 1+0
What is the optimal memory configuration for an AirWave system with 5,000 managed devices?
64 GB to 72 GB
Which Xeon processor has a base clock speed of 3.6 GHz and can support up to 24 cores?
Intel Xeon X5687