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Installing the Violin Utilities
HP-AM456-9002A Rev 01
To load the Linux driver, at the system prompt, type:
5.
modprobe vtms [<device_type>]
Where
<device_type>
values are:
none
[use_cdev=1]
[use_scsi=1]
After loading the Linux driver, create partitions and file systems on the Memory
Array or directly access the character device.
Unloading the Linux Driver
Log into the host computer as
1.
Open a terminal window.
2.
To unload the Linux driver, at the system prompt, type:
3.
rmmod vtms
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
information on the Memory Array.
Table 7.1 Memory Array Commands for Viewing Linux Driver Information
Utility
perf_test
vcounts
VMA-series Memory Array Installation and Service Guide
indicates device type of the loaded driver. Valid
Load as a block device
Load as a character device
Load as a SCSI device
.
root
/usr/local/bin
Description
A multi-threaded AIO-capable disk benchmark
utility. See
Performance Testing Using perf_test
on page 174 for detailed instructions on using
this utility.
Displays Memory Array I/O counters.
Installing the Violin Utilities
directory to display
127
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