is there a way to tell that you have ext4 filesystem vs ext3

Eric Sandeen sandeen at redhat.com
Sat Oct 4 02:28:02 UTC 2008


Jeremy Katz wrote:
> On Fri, 2008-10-03 at 17:23 -0700, Antonio Olivares wrote:
>> Is there a way to tell if one is running ext4 filesystem vs. ext3?
>>
>> I used ext4 boot parameter to install Fedora 10 Beta, but I am not sure that the filesystem is ext4 :(
> 
> libblkid can tell the difference
>    /sbin/blkid -s TYPE /path/to/blkdev
> 
> Jeremy
> 

or look at /proc/mounts :)

Note: if you use the ext4 boot param, you still must go to the custom
partitioning screen to choose ext4.  The boot param simply enables this
choice.

-Eric




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