Maximum Linux Partition Size

(A) 32bit systems

Attribute	ext2	ext3	ReiserFS
Maximum partition size**	4TB	4TB	16TB
Maximum file size*	2GB-2TB	2GB-2TB	8TB
Recovery/reboot after a crash	Slow	Fast	Very slow
ACL support	Yes	Yes	No
Maximum filename length	255 bytes	255 bytes	4032 bytes
Block size	1KB-4KB	1KB-4KB	4KB only

(B) 64 bit systems like Alpha, IA64 and x86-64 and 32-bit system with LFS enabled in kernel, the limit are as follows

Attribute	ext2	ext3	ReiserFS
Maximum partition size**	2TB-32TB	2TB-32TB	16TB
Maximum file size*	2GB-2TB	2GB-2TB	8TB
Recovery/reboot after a crash	Slow	Fast	Very slow
ACL support	Yes	Yes	No
Maximum filename length	255 bytes	255 bytes	4032 bytes
Block size	1KB-4KB	1KB-4KB	4KB only

*The maximum file size for ext2/ext3 is actually dependent on the choice of blocksize and hardware architecture.
**The naximum partition size for ext2/ext3 is actually dependent on the choice of blocksize and hardware architecture.