lkml.org 
[lkml]   [2008]   [May]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Performance Characteristics of All Linux RAIDs (mdadm/bonnie++)


On Wed, 28 May 2008, Keld Jørn Simonsen wrote:

> I added this in the wiki performance section.
Ok.

> I think it would have been informative if also a test with one drive in
> a non-raid setup was described.
Since the performance of bonnie++ deals with single threads/a raid1 would probably closely match it but yeah I could do that sometime.

>
> Are there any particular findings you want to highlight?
Not in particular, just I could never find this information provided anywhere
that showed all of the raid variation/types in one location that was easy to
read.

>
> Is there some way to estimate random read and writes from this test?
The sequential input and output and re-write speeds are the most important.

>
> Are the XFS file systems completely new when running the tests?
Yes, after the creation of each array, mkfs.xfs -f /dev/md3 was run to ensure
a clean mount and cron was also off throughout all testing.

>
> Best regards
> keld
\
 
 \ /
  Last update: 2008-05-28 21:09    [W:0.117 / U:0.288 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site