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As said above, if the application update is your only write action it should be OK, but still not perfect. You are currently viewing LQ as a guest.
Erasing a whole sector and then writing it is far from being power-fail safe. If you have any problems with the registration process or your account login, please contact us.
With ext2 also metadata can be lost and the resulting file-system is beyond repair, when power is shut down between the erase and write of a sector. TI and its respective suppliers and providers of content make no representations about the suitability of these materials for any purpose and disclaim all warranties and conditions with respect to these materials.
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How to mount cramfs files in CDlinux. Post your question in this forum. Introduction to Linux - A Hands on Guide This guide was created as an overview of the Linux Operating System, geared toward new users as an exploration tour and getting started guide, with exercises at the end of each chapter.
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Join our community today! As explained in the FAQ, there are two issues: Your Ext2 image was created to be mounted ro. Thanks again for your help and with best regards, Markus Franke.
We had problems in the past with replacing the application image entirely during runtime which resulted in some rare cases in application crashes. So in the worst case a write of K could result in erase and write cycles.
If you need to reset your password, click here. Note that registered members see fewer ads, and ContentLink is completely disabled once you log in. See this FAQ from the mtd developers site:Apr 20, · How to mount cramfs files in CDlinux. Hi, Yes I did make the folder but same result.
I think I need to install the utilities first to read this file syatem first. Anyways I started working on CentOS now. I need if I could get documentation for CDLinux distro.
I've written an app that modifies file system contents. One of the requirements to do this is mounting the system as read-write. From here and other sources, I've found the widely accepted command is. Apr 24, · I think that you have to mount the mini-kernel twice in effect. The mount command mounts it as a partition.
You also have to use the losetup command to set up ("mount") the mini-kernel as a file. First of all to remount a partition read write simply run mount -o rw now with that out of the way this is probably not the issue, it appears you're trying to change files on the livecd instead of the chroot or mounted filesystem given the bash prompt which, of course, is a read-only filesystem.
Re: Overwriting CRAMFS image while it is mounted Submitted by cglindkamp on Wed, 11/10/ - It is not generally safe to overwrite a mounted image (regardless of file system type), although read-only file systems are a bit easier to handle.
The major difference between the two is that Cramfs is a read-only file system while ubifs is a R/W file system. The motivation of using cramfs is whne you want to have a basic files system which is left intact and your system can always mount to it as it does not provide write permissions.Download