Just use
mdadm --grow --size max /dev/md2
Then you’ll be able to use
resize2fs /dev/md2
To let file system match the raid size. All of that is done online without even unmounting the md2.
Just use
mdadm --grow --size max /dev/md2
Then you’ll be able to use
resize2fs /dev/md2
To let file system match the raid size. All of that is done online without even unmounting the md2.