09-21-2010
9 More Discussions You Might Find Interesting
1. Filesystems, Disks and Memory
I have some questions regarding disk perfomance, and what I can do to make it just a little (or much :)) more faster.
From what I've heard the first partitions will be faster than the later ones because tracks at the outer edges of a hard drive platter simply moves faster. But I've also read in... (4 Replies)
Discussion started by: J.P
4 Replies
2. AIX
Can I change any AIX System paramerter for speeding the data Disk performance?
Currently it slows with writing operations. (1 Reply)
Discussion started by: gogogo
1 Replies
3. AIX
Hello,
I have a aix 570 system with san disk. I do write test of performance
in a lv with four disk. While the test I run filemon tools for trace
the disk activity. The outputs of filemon are at the en of this message. I
see my lV(logical volume) throughput at 100 meg by second. 2 of 4
disk... (0 Replies)
Discussion started by: Hugues
0 Replies
4. AIX
I'm search for a disk exerciser / load tool like iometer, iozone, diskx for IBM AIX 5.2 and 5.3
Because of a very bad disk performance on several AIX systems, I need to have a tool which is able to generate a disk load on my local and SAN disks.
Does somebody knows a kind of tool which is... (5 Replies)
Discussion started by: funsje
5 Replies
5. Red Hat
I am getting absolutely dreadful iowait stats on my disks when I am trying to install some applications.
I have 2 physical disks on which I have created 2 separate logical volume groups and a logical volume in each. I have dumped some stats as below
My dual core CPU is not being over utilised... (3 Replies)
Discussion started by: jimthompson
3 Replies
6. Solaris
Dear All,
I have a hard disk in solaris on which the write performanc is too slow.
The CPU , RAM memory are absolutely fine.
What might be reason.
Kindly explain.
Rj (9 Replies)
Discussion started by: jegaraman
9 Replies
7. Solaris
What tools/utilities do you use to generate metrics on disk i/o throughput on Solaris. For example, if I want to see the i/o rate of random or sequential r/w. (2 Replies)
Discussion started by: dangral
2 Replies
8. Solaris
Hello,
we have a machine with Solaris Express 11, 2 LSI 9211 8i SAS 2 controllers (multipath to disks), multiport backplane, 16 Seagate Cheetah 15K RPM disks.
Each disk has a sequential performance of 220/230 MB/s and in fact if I do a
dd if=/dev/zero of=/dev/rdsk/<diskID_1> bs=1024k... (1 Reply)
Discussion started by: golemico
1 Replies
9. Linux
I have a freshly installed Oracle Linux 7.1 ( akin to RHEL ) server.
However after installing some Oracle software, I have noticed that my hard disk light is continually on and the system performance is slow.
So I check out SAR and IOSTAT
lab3:/root>iostat
Linux... (2 Replies)
Discussion started by: jimthompson
2 Replies
LEARN ABOUT DEBIAN
iso-read
ISO-READ(1) User Commands ISO-READ(1)
NAME
iso-read - manual page for iso-read version 0.83 i686-pc-linux-gnu
SYNOPSIS
iso-read OPTION...
Reads portions of an ISO 9660 image.
DESCRIPTION
-d, --debug=INT
Set debugging to LEVEL.
-i, --image=FILE
Read from ISO-9660 image. This option is mandatory
-e, --extract=FILE
Extract FILE from ISO-9660 image. This option is mandatory.
-k, --ignore
Ignore read error(s), i.e. keep going
--no-header
Don't display header and copyright (for regression testing)
-o, --output-file=FILE
Output file. This option is mandatory.
-V, --version
display version and copyright information and exit
Help options:
-?, --help
Show this help message
--usage
Display brief usage message
AUTHOR
Rocky Bernstein <rocky@gnu.org>
COPYRIGHT
Copyright (C) 2003, 2004, 2005, 2007, 2008, 2011 R. Bernstein
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU-
LAR PURPOSE. Have driver: GNU/Linux ioctl and MMC driver Have driver: cdrdao (TOC) disk image driver Have driver: bin/cuesheet disk image
driver Have driver: Nero NRG disk image driver Default CD-ROM device: /dev/scd0
SEE ALSO
iso-info(1) for information about an ISO-9660 image. cd-read(1) to read portions of an ISO 9660 image.
iso-read version 0.83 i686-pc-linux-gnu October 2011 ISO-READ(1)