HP VMA-series Memory Arrays Manual do Utilizador descarregar pdf (Página 158)

Chapter 9 - Violin Utilities

158

VMA-series Memory Array Installation and Service Guide

HP-AM456-9002A Rev 01

vpartial

The vpartial utility displays the number of read/write I/O requests processed

and the number of partial 4kB flash pages.

Syntax

vpartial [ <device_index> ]

Example

The

vpartial utility returns information similar to the following example when

run on a Linux host:

Returns

The

vpartial utility returns the following information.

# vpartial

Violin Memory, Inc.

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

Device: vtmsa

Index: 0

-- Target Unaligned / Partial Counts --

Completed read I/O's: 1995280246

Unaligned host buf reads: 0

Flash partial page reads: 10326

Completed write I/O's: 1903433508

Unaligned host buf writes: 0

Flash partial page writes: 4535553

Completed read I/O's

Displays the total I/O read requests from a

Memory Array. This is not the individual DMA

descriptors completed, but for each of the

user requested I/Os.

Unaligned host buf

reads

Displays the total I/O read requests from a

Memory Array, but only incremented when an

unaligned host address required special

buffer byte copying to service the DMA

request.

Flash partial page

reads

Incremented when a DMA descriptor for

read is less than a flash page (4kB) in size.

1 2 ... 153 154 155 156 157 158 159 160 161 162 163 ... 299 300

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