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Old 03-03-2016, 08:35 AM   #31
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Originally Posted by louigi600 View Post
I prefer to make the filesystem with mke2fs and specify all the options I like.
Here is an example
[CODE] mke2fs -t ext4 -b 4096 -i 16384 -m 1 -L ma_label -j /dev/my_device [\CODE]
Thanks for sharing.

Based on the size of the filesystem I may resort to deciding the total number of inodes via -N or have less then 1 inode for every 4 blocks.
The block size has a fairly important impact on wasted space as on avarage you will waste 1/2 a block for every file on your filesystem.
Small blocks will waste less space but will perform worse for I/O, while large blosks do the exact opposite.
The default reserved space used to default to 5% which is huge on a 1TB filesystem ... I will generally specify what I think is appropriate for the fs I'm making.
Thanks again, that's almost a guide ☺

Not sure what you mean by "Required fsck" ... I don't run it after I make the fs and the "-f" flag does not make it mandatory for fsck to run during initialization.
I let that untouched from the blog I took most of what I wrote. I believe the author thinks it is a necessary step.

I've a blog about running linux on flash:
Great, I'll study that before first launch, thanks again.


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