login
Login
/
Register
Search
Search this site:
Forums
News
Blogs
Features
Site
Home
»
Mailing list archives
»
linux-kernel
»
2008
»
March
»
26
Re: RAID-1 performance under 2.4 and 2.6
view
thread
Previous message: [
thread
] [
date
] [
author
]
Next message: [
thread
] [
date
] [
author
]
[view in full thread]
From: Emmanuel Florac
Subject:
Re: RAID-1 performance under 2.4 and 2.6
Date: Wednesday, March 26, 2008 - 12:56 am
Le Wed, 26 Mar 2008 08:15:15 +0100 vous écriviez:
quoted text
> If you want to benchmark write speed, you should add > oflag=direct,dsync to the dd command line. For benchmarking read speed > you should specify iflag=direct. Or, even better, you can use xdd with > the flags -dio -processlock.
Thanks for the tip, I'll try these. -- -------------------------------------------------- Emmanuel Florac
www.intellique.com
-------------------------------------------------- --
unsubscribe notice
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to
majordomo@vger.kernel.org
More majordomo info at
http://vger.kernel.org/majordomo-info.html
Please read the FAQ at
http://www.tux.org/lkml/
Previous message: [
thread
] [
date
] [
author
]
Next message: [
thread
] [
date
] [
author
]
Messages in current thread:
RAID-1 performance under 2.4 and 2.6
, Emmanuel Florac
, (Tue Mar 25, 11:43 am)
Re: RAID-1 performance under 2.4 and 2.6
, Chris Snook
, (Tue Mar 25, 3:00 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Emmanuel Florac
, (Tue Mar 25, 3:09 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Bill Davidsen
, (Tue Mar 25, 3:37 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Bill Davidsen
, (Tue Mar 25, 3:47 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Chris Snook
, (Tue Mar 25, 4:13 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Bill Davidsen
, (Tue Mar 25, 4:42 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Bart Van Assche
, (Wed Mar 26, 12:15 am)
Re: RAID-1 performance under 2.4 and 2.6
, Emmanuel Florac
, (Wed Mar 26, 12:56 am)
Re: RAID-1 performance under 2.4 and 2.6
, Emmanuel Florac
, (Wed Mar 26, 1:05 am)
Re: RAID-1 performance under 2.4 and 2.6
, "J.A. Magallón"
, (Wed Mar 26, 1:25 am)
Re: RAID-1 performance under 2.4 and 2.6
, Bart Van Assche
, (Wed Mar 26, 1:42 am)
Re: RAID-1 performance under 2.4 and 2.6
, Emmanuel Florac
, (Wed Mar 26, 4:07 am)
Re: RAID-1 performance under 2.4 and 2.6
, Bart Van Assche
, (Wed Mar 26, 4:15 am)
Re: RAID-1 performance under 2.4 and 2.6
, Emmanuel Florac
, (Wed Mar 26, 5:36 am)
Re: RAID-1 performance under 2.4 and 2.6
, Bart Van Assche
, (Wed Mar 26, 6:22 am)
Re: RAID-1 performance under 2.4 and 2.6
, Chris Snook
, (Wed Mar 26, 9:39 am)
Re: RAID-1 performance under 2.4 and 2.6
, Chris Snook
, (Wed Mar 26, 9:51 am)
Re: RAID-1 performance under 2.4 and 2.6
, Bill Davidsen
, (Thu Mar 27, 2:49 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Bill Davidsen
, (Thu Mar 27, 2:53 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Bill Davidsen
, (Thu Mar 27, 3:03 pm)
Re: RAID-1 performance under 2.4 and 2.6
, Bart Van Assche
, (Fri Mar 28, 12:44 am)
Re: RAID-1 performance under 2.4 and 2.6
, Bill Davidsen
, (Fri Mar 28, 5:04 am)
Re: RAID-1 performance under 2.4 and 2.6
, Pádraig Brady
, (Wed Jul 16, 7:52 am)
Re: RAID-1 performance under 2.4 and 2.6
, Chris Snook
, (Wed Jul 16, 11:18 am)
Navigation
Mailing list archives
Recent posts
Popular discussions
linux-kernel
:
Ken Chen
[patch] sched: fix inconsistency when redistribute per-cpu tg->cfs_rq shares.
Ingo Molnar
Re: [PATCH v3] x86: merge the simple bitops and move them to bitops.h
Jan Engelhardt
Re: [PATCH] Allow Kconfig to set default mmap_min_addr protection
Dmitry Torokhov
Re: [2.6 patch] input/serio/hp_sdc.c section fix
Rafael J. Wysocki
[Bug #16380] Loop devices act strangely in 2.6.35
git
:
Steven Grimm
Using git as a general backup mechanism (was Re: Using GIT to store /etc)
Jeff King
Re: [PATCH] git-reset: allow --soft in a bare repo
Johannes Sixt
Re: [PATCH 01/14] msvc: Fix compilation errors in compat/win32/sys/poll.c
Johannes Schindelin
Re: [PATCH] Uninstall rule for top level Makefile
Shawn O. Pearce
Re: [PATCH v2] Speed up bash completion loading
git-commits-head
:
Linux Kernel Mailing List
cgroups: clean up cgroup_pidlist_find() a bit
Linux Kernel Mailing List
sony-laptop: Add support for extended hotkeys
Linux Kernel Mailing List
IB/core: Add support for masked atomic operations
Linux Kernel Mailing List
V4L/DVB (8939): cx18: fix sparse warnings
Linux Kernel Mailing List
ipv6 mcast: Check address family of gf_group in getsockopt(MS_FILTER).
linux-netdev
:
Inaky Perez-Gonzalez
[PATCH 40/40] wimax/i2400m: add CREDITS and MAINTAINERS entries
Karsten Keil
[mISDN PATCH v2 05/19] Reduce stack size in dsp_cmx_send()
linux
Re: 2.6.23-rc8 network problem. Mem leak? ip1000a?
David Miller
Re: tun: Use netif_receive_skb instead of netif_rx
David Miller
Re: [net-next PATCH v2] llc enhancements
freebsd-current
:
Matthew Fleming
Re: [RFC] Outline of USB process integration in the kernel taskqueue system
illoai@gmail.com
Re: OT: 2d password
Hartmut Brandt
Re: problem with nss_ldap
Andrew Reilly
Re: FreeBSD's problems as seen by the BSDForen.de community
Max Laier
Re: Upcoming ABI Breakage in RELENG_7
Colocation donated by:
Syndicate