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Is it possible to change Inode count on an ext4 filesystem?

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http://unix.stackexchange.com – I have a homemade NAS with Debian Wheezy 64bit. It has three disks - 2x2TB and 1.5TB, pooled together using RAID1/5 and LVM. The result is a LVM Logical Volume, about 3.16TB in size, formatted as ext4 and mounted as /home. However I just found out that roughly 50GB of this capacity is used by Inodes (exact count being 212 459 520, with 256B in size or to put it in another way - one Inode per every 16k of the partition size). While 50GB in 3.16TB is about 1.5% of the total capacity, it's still a lot of space. Since this is a storage NAS, mostly used for multimedia, I don't ever expect the /hom (HowTos)