<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta content="text/html; charset=windows-1252"
http-equiv="Content-Type">
</head>
<body bgcolor="#ffffff" text="#000000">
<br>
Here's a little more info regarding the file system in
question...you'll notice<br>
the last write time below is 5 minutes ago, but the last mount time
was<br>
when the machine was booted? <br>
<br>
Can somebody explain that? How can the FS have been written to
without<br>
being mounted?<br>
<br>
<br>
<tt>root# tune2fs -l /dev/hda1<br>
tune2fs 1.41.3 (12-Oct-2008)<br>
Filesystem volume name: ROOT_FS<br>
Last mounted on: <not available><br>
Filesystem UUID: 995744b8-7193-4799-b40d-89c265dcf07a<br>
Filesystem magic number: 0xEF53<br>
Filesystem revision #: 1 (dynamic)<br>
Filesystem features: ext_attr resize_inode dir_index filetype
sparse_super large_file<br>
Filesystem flags: signed_directory_hash <br>
Default mount options: (none)<br>
Filesystem state: not clean<br>
Errors behavior: Continue<br>
Filesystem OS type: Linux<br>
Inode count: 232928<br>
Block count: 931384<br>
Reserved block count: 9313<br>
Free blocks: 764434<br>
Free inodes: 201548<br>
First block: 0<br>
Block size: 4096<br>
Fragment size: 4096<br>
Reserved GDT blocks: 227<br>
Blocks per group: 32768<br>
Fragments per group: 32768<br>
Inodes per group: 8032<br>
Inode blocks per group: 502<br>
Filesystem created: Thu Apr 21 11:17:14 2011<br>
Last mount time: Fri Apr 22 14:52:56 2011<br>
Last write time: Mon Apr 25 15:46:24 2011<br>
Mount count: 1281<br>
Maximum mount count: -1<br>
Last checked: Thu Apr 21 11:17:14 2011<br>
Check interval: 15552000 (6 months)<br>
Next check after: Tue Oct 18 11:17:14 2011<br>
Reserved blocks uid: 0 (user root)<br>
Reserved blocks gid: 0 (group root)<br>
First inode: 11<br>
Inode size: 256<br>
Required extra isize: 28<br>
Desired extra isize: 28<br>
Default directory hash: half_md4<br>
Directory Hash Seed: 8d3fd677-c542-4a98-9e93-f1c288036231</tt><br>
<br>
<br>
On 04/25/2011 03:41 PM, Jeff Ramin wrote:
<blockquote cite="mid:4DB5DC7E.8090707@singlewire.com" type="cite">
<meta content="text/html; charset=windows-1252"
http-equiv="Content-Type">
<br>
Thanks for the suggestion, but mounting w/ the noatime option
doesn't<br>
affect the behavior.<br>
<br>
Anybody else have an idea?<br>
<br>
<br>
On 04/25/2011 03:03 PM, Michael Steinmann wrote:
<blockquote
cite="mid:BANLkTi=Eyr5SLdmeQFfSBSYSg33bmFpiow@mail.gmail.com"
type="cite">hi,<br>
<br>
maybe changing relatime to noatime could help? <br>
see <a moz-do-not-send="true"
href="http://linux.koolsolutions.com/2009/01/30/installing-linux-on-usb-part-4-noatime-and-relatime-mount-options/">http://linux.koolsolutions.com/2009/01/30/installing-linux-on-usb-part-4-noatime-and-relatime-mount-options/</a>
:<br>
<strong><br>
2. noatime</strong> – This option stops recording the last
file access time when the file is just read. The <em>noatime</em>
option eliminates all the writes to the disk each time a file
was just read which previously used to happen with <em>atime</em>.
However a write is made to a disk in case if a file is being
changed/written.<br>
<br>
cheers, <br>
michael<br>
<br>
<div class="gmail_quote">2011/4/25 Jeff Ramin <span dir="ltr"><<a
moz-do-not-send="true"
href="mailto:jeff.ramin@singlewire.com">jeff.ramin@singlewire.com</a>></span><br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt
0.8ex; border-left: 1px solid rgb(204, 204, 204);
padding-left: 1ex;">
<div bgcolor="#ffffff" text="#000000"> <br>
Hi folks.<br>
<br>
I have since switched to ext2 since my original message
below, yet I am<br>
still seeing the same behavior - / is being remounted
every 5 minutes. I want<br>
to avoid this, to save wear & tear on the compact
flash card.<br>
<br>
Nothing in cron would be causing this...any ideas? I'm
running voyage 0.6.5,<br>
and the file system is mounted thus (ouput from mount
command):<br>
<br>
/dev/disk/by-label/ROOT_FS / ext2
ro,relatime,errors=continue 0 0<br>
<br>
Thanks.<br>
<br>
<br>
<span style="border-collapse: separate; color: rgb(0, 0,
0); font-family: 'DejaVu Sans'; font-style: normal;
font-variant: normal; font-weight: normal;
letter-spacing: normal; line-height: normal;
text-indent: 0px; text-transform: none; white-space:
normal; word-spacing: 0px; font-size: medium;"><span
style="border-collapse: collapse; font-family:
Verdana,Geneva,Helvetica,Arial,sans-serif; font-size:
10px;"><span>---------- Forwarded message ----------<span> </span></span><br>
<span>From: Gustin Johnson <</span><a
moz-do-not-send="true"
href="http://voyage-linux.34677.n3.nabble.com/user/SendEmail.jtp?type=node&node=2661075&i=0&by-user=t"
rel="nofollow" style="font-size: 1em; color: rgb(0,
0, 238);" target="_blank"><span>[hidden email]</span></a><span>><span> </span></span><br>
<span>Date: Thu, Mar 10, 2011 at 9:17 AM<span> </span></span><br>
<span>Subject: Re: [<b style="background-color:
rgb(255, 255, 102);">Voyage</b>-linux] root being
remounted<span> </span><b style="background-color:
rgb(255, 255, 102);">every</b><span> </span><b
style="background-color: rgb(255, 255, 102);">5</b><span> </span><b
style="background-color: rgb(255, 255, 102);">minutes</b>?<span> </span></span><br>
<span>To: Jeff Ramin <</span><a
moz-do-not-send="true"
href="http://voyage-linux.34677.n3.nabble.com/user/SendEmail.jtp?type=node&node=2661075&i=1&by-user=t"
rel="nofollow" style="font-size: 1em; color: rgb(0,
0, 238);" target="_blank"><span>[hidden email]</span></a><span>><span> </span></span><br>
<br>
<br>
<span>My first guess is that writing to the journal on
EXT3 requires the FS<span> </span></span><br>
<span>to be writable. We use EXT2 on all of our flash
based media to<span> </span></span><br>
<span>minimize the number of writes.<span> </span></span><br>
<br>
<span>We once had a similar issue but it was an
incorrectly formatted cron<span> </span></span><br>
<span>entry. We have a custom script that remounts
the FS as writable, then<span> </span></span><br>
<span>does an aptitude update, package download, and
simulates an install,<span> </span></span><br>
<span>then emails the results. The error in crontab
caused this to be run<span> </span></span><br>
<span><b style="background-color: rgb(255, 255, 102);">every</b><span> </span><b
style="background-color: rgb(255, 255, 102);">5</b><span> </span><b
style="background-color: rgb(255, 255, 102);">minutes</b><span> </span>instead
of once a day.<span> </span></span><br>
<br>
<span>On Thu, Mar 10, 2011 at 7:47 AM, Jeff Ramin <</span><a
moz-do-not-send="true"
href="http://voyage-linux.34677.n3.nabble.com/user/SendEmail.jtp?type=node&node=2661075&i=2&by-user=t"
rel="nofollow" style="font-size: 1em; color: rgb(0,
0, 238);" target="_blank"><span>[hidden email]</span></a><span>>
wrote:</span>
<div style="border-color: rgb(204, 204, 204);
overflow: hidden; min-height: 120px;"><br>
<span>><span> </span></span><br>
<span>> I have<span> </span><b
style="background-color: rgb(255, 255, 102);">voyage</b><span> </span>0.6.<b
style="background-color: rgb(255, 255, 102);">5</b><span> </span>running
on an Alix board, and I'm seeing / get<span> </span></span><br>
<span>> remounted<span> </span><b
style="background-color: rgb(255, 255, 102);">every</b><span> </span><b
style="background-color: rgb(255, 255, 102);">5</b><span> </span><b
style="background-color: rgb(255, 255, 102);">minutes</b>,
like so:<span> </span></span><br>
<span>><span> </span></span><br>
<span>> Mar 10 08:10:<b style="background-color:
rgb(255, 255, 102);">54</b><span> </span>singlewire<span> </span><b
style="background-color: rgb(255, 255, 102);">vmunix</b>:
[603042.739714] EXT3 FS on hda1, internal<span> </span></span><br>
<span>> journal<span> </span></span><br>
<span>> Mar 10 08:15:<b style="background-color:
rgb(255, 255, 102);">56</b><span> </span>singlewire<span> </span><b
style="background-color: rgb(255, 255, 102);">vmunix</b>:
[603344.099594] EXT3 FS on hda1, internal<span> </span></span><br>
<span>> journal<span> </span></span><br>
<span>> Mar 10 08:21:06 singlewire<span> </span><b
style="background-color: rgb(255, 255, 102);">vmunix</b>:
[603653.940611] EXT3 FS on hda1, internal<br>
<br>
<br>
</span></div>
</span></span><br>
<pre cols="72">--
Jeff Ramin
Software Engineer
Singlewire Software
2601 W Beltline Hwy #510
Madison, WI 53713
Phone Direct - 608.661.1172
<a moz-do-not-send="true" href="http://www.singlewire.com" target="_blank">www.singlewire.com</a>
</pre>
</div>
<br>
_______________________________________________<br>
Voyage-linux mailing list<br>
<a moz-do-not-send="true"
href="mailto:Voyage-linux@list.voyage.hk">Voyage-linux@list.voyage.hk</a><br>
<a moz-do-not-send="true"
href="http://list.voyage.hk/mailman/listinfo/voyage-linux"
target="_blank">http://list.voyage.hk/mailman/listinfo/voyage-linux</a><br>
<br>
</blockquote>
</div>
<br>
</blockquote>
<br>
<br>
<pre class="moz-signature" cols="72">--
Jeff Ramin
Software Engineer
Singlewire Software
2601 W Beltline Hwy #510
Madison, WI 53713
Phone Direct - 608.661.1172
<a moz-do-not-send="true" class="moz-txt-link-abbreviated" href="http://www.singlewire.com">www.singlewire.com</a>
</pre>
</blockquote>
<br>
<br>
<pre class="moz-signature" cols="72">--
Jeff Ramin
Software Engineer
Singlewire Software
2601 W Beltline Hwy #510
Madison, WI 53713
Phone Direct - 608.661.1172
<a class="moz-txt-link-abbreviated" href="http://www.singlewire.com">www.singlewire.com</a>
</pre>
</body>
</html>