Fedora13 showed 128 TB /proc/kcore on 2GB RAM
plarsen at famlarsen.homelinux.com
Mon Jul 12 18:47:09 UTC 2010
You NEVER EVER want to include /proc, /sys, /tmp, /media, /dev in your
backup/iso. They're not really files but points to other systems data,
or your kernel's internal structures.
If you're on a 64bit machines, then yes - the "virtual" size of these
files can be quite large. That's normal. They're not meant to be
written/read by normal processes. So simply exclude the non persistent
mount points, temporary and "cd/usb" mount points when you do a system
dump like that.
Wise words of the day:
Stupid nick highlighting
Whenever someone starts with "stupid" it highlights the nick. Hmm.
On Mon, 2010-07-12 at 12:24 -0600, Chen, Helen Y wrote:
> I am running Fedora 13 with the 188.8.131.52-112-2.2 kernel, and am trying
> to make an ISO image of my hard disk for other use. Unfortunately
> “mkisofs” failed because /proc/kcore exceeded its 4GB file size limit.
> In fact, the size of the kcore on my system is shown to be 128TB, and
> the machine itself only contains 2GB of RAM. Has anyone experienced
> the same problem? BTW, the kcore files on my redhat machines reflect
> the actual RAM size as it should be. Also, does anyone know why
> “mkisofs” even tries to copy a virtual file into the ISO image it is
> H Chen
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