HP VMA-series Memory Arrays Manual do Utilizador descarregar pdf (Página 127)

Installing the Violin Utilities

HP-AM456-9002A Rev 01

VMA-series Memory Array Installation and Service Guide

127

5. To load the Linux driver, at the system prompt, type:

Where

<device_type> indicates device type of the loaded driver. Valid

values are:

After loading the Linux driver, create partitions and file systems on the Memory

Array or directly access the character device.

Unloading the Linux Driver

1. Log into the host computer as root.

2. Open a terminal window.

3. To unload the Linux driver, at the system prompt, type:

Installing the Violin Utilities

The fourth step towards configuring a direct-attached Memory Array system

with a Linux host is to install the Violin Utilities.

The Violin Utilities are tools designed to enable you monitor the performance of

a direct-attached Memory Array system. Using the Violin Utilities, you may

retrieve detailed information about the Memory Array and data transfer counts

that enable you to configure the system for optimal performance.

Use the Violin Utilities commands in the

/usr/local/bin directory to display

information on the Memory Array.

modprobe vtms [<device_type>]

none

Load as a block device

[use_cdev=1]

Load as a character device

[use_scsi=1]

Load as a SCSI device

rmmod vtms

Table 7.1 Memory Array Commands for Viewing Linux Driver Information

Utility Description

perf_test

A multi-threaded AIO-capable disk benchmark

utility. See Performance Testing Using perf_test

on page 174 for detailed instructions on using

this utility.

vcounts

Displays Memory Array I/O counters.

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HP VMA-series Memory Arrays Manual do Utilizador Página 127