lkml.org 
[lkml]   [2002]   [Sep]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
Subjectext3 fs: no userspace writes == no disk writes ?
Hi all,

I have a question about ext3 write activity.

I am considering using an ext3 fs on a CompactFlash disk for my
data-logging application (power can disapear anytime).
The quantity & frequency of the data logged itself is not a
problem at all considering flash wear.

But I'm a bit worried about the kernel/ext3 doing regular writes
by itself even when there are no userspace writes. (worries are
partially caused by memories from long time ago about idle laptop
doing regular writes on disk).

Anybody out there who knows how this works ?

Can I use an ext3 fs without having regular "automatic" writes to
the device it is located on ? (and thus not destroy my CompactFlash
devices !)

greetings,
Rob van Nieuwkerk


PS1: of course nothing from userspace should write frequently to
the fs, and if there is regular read-activity the fs should
be mounted with "noatime")

PS2: yes, I know that jffs exists
-
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/

\
 
 \ /
  Last update: 2005-03-22 13:29    [W:0.037 / U:0.092 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site