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[Q] Do you suggest EXT4 over Fat32 for 16GB MicroSD??

OP SeaFargo

12th February 2014, 02:28 AM   |  #1  
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I've an I9505 with AOSP MIUI and ChronicKernel, and I have just bought a new 16GB Sandisk Ultra HCI (1) MicroSD.
Do you suggest to format it with an EXT4 filesystem or the default FAT32?
I've done some speed test, and the writing speed of 1GB file seems the same.
I don't usually need to store single files bigger than 2GB.
I also do not need to write on it from Windows. I can in any case safety read EXT4 on Windows with many apps.
I only seen that with the EXT4 I have 1GB less of free space, caused maybe by the SU allocated space. Tune2FS -m 0 seems don't work here.
The recovery seems to work on EXT4 well.

Is EXT4 much more safe, affrodable, fast and modern to justificate the upgrade?
Are there some more good reason to chose EXT4 over the very diffuse Fat32?

The only complains regards free space and writing from Windows. Seems possible just by few software, like Ext2Fsd-0.51, but it's still not possible to erase android user created files. I have in any case few of this needs.

Thank you in advance for your kind reply.
12th February 2014, 03:59 PM   |  #2  
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I have not seen significant difference in performance between filesystems.
However, I do need (from time to time) to have files bigger than 2GB on my SD card, since I use it as external disc too... so I go by inertia with NTFS.

You WILL need sooner or later > 2GB file on your SD... So, in your case, EXT4...
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12th February 2014, 10:48 PM   |  #3  
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Thank you Bodisson.
I'm still looking a way to freeup the SU allocated space, wich is so hight. 1GB of loss space on a 16GB card!!!
13th February 2014, 10:26 AM   |  #4  
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Quote:
Originally Posted by Bodisson

You WILL need sooner or later > 2GB file on your SD... So, in your case, EXT4...

No, Fat32 has support for files up to 4GB. So only if you need files bigger than THAT you should change filesystem.

If you don't: simply stick with Fat32 as it is way way WAY more compatible with every phone, camera, computer, whatever.
13th February 2014, 04:52 PM   |  #5  
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Quote:
Originally Posted by Pfeffernuss

No, Fat32 has support for files up to 4GB. So only if you need files bigger than THAT you should change filesystem.

If you don't: simply stick with Fat32 as it is way way WAY more compatible with every phone, camera, computer, whatever.

Thank you Pfeffernuss. I did a mistake. Fat32 and < 4GB file dimension, right!

In any case I would sacrifice compatibility but reliability. Fat32 is an old filesystem, and not very affrodable in case of OS crash. File recovery is also not at best. Speed for big files are the same, I admit. But the speed for small file access is much more slow.

I also use FTP and SCP for file tranfer.

I do not like to unmount MicroSD inside a full working OS to let it Windows directly compatibile. And also the internal memory is in any case Windows non accessibile.

Both can use MTP onthefly.

I like NTFS for Windows based usage. It's really much more fast and secure than Fat32.
I want to do the same in a Linux environment.

I'm finally oriented to an EXT4 ...

In any case thanks for your reply.
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