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Violin Utilities Reference

HP-AM456-9002A Rev 01

VMA-series Memory Array Installation and Service Guide

163

Example

The

vupdate_tz utility returns information similar to the following example

when run on a Linux host:

The output shows that this Memory Array is 300 minutes (5 hours) from GMT.

vzero

The vzero utility resets the I/O counters to zero.

Syntax

vzero [ <device_index> ]

Example

The

vzero utility returns information similar to the following example when run

on a Linux host:

perf_test

The perf_test utility is a lightweight yet powerful tool for measuring the I/O

performance of storage devices.

This utility is designed to push the I/O device as hard as possible by a variety of

methods including POSIX threads, variable block sizing, asynchronous I/O, direct

communication, as well as sequential and random read/ write operations to

data over a user-defined address range.

# vupdate_tz

Violin Memory, Inc.

Version: vtms-linux-utils-D4.5.4, 05/23/2011

tz_secs=28800 tz_altsecs=25200 tz_minwest=420 tm_isdst=1

# vzero

Violin Memory, Inc.

Version: vtms-linux-utils-D4.5.4, 05/23/2011

Zeroed counters for V1010 index 0

Zeroed counters for V1010 index 1

1 2 ... 158 159 160 161 162 163 164 165 166 167 168 ... 299 300

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HP VMA-series Memory Arrays Manual do Utilizador Página 163