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Forum Discussion
now Linux 3.2 can read ext3 16k blocks !
Linux 3.2 (just released) can now read ext2-3-4 with bigger blocks, up to 1M, there is no longer the 4k limit for x86 PC. For the Debian SPARC NAS owners (ReadyNAS Duo, ...) - which has 16k blocks ...
:(
I've tested Linux 3.2 (from Mageia 2 alpha3 distro) : I can't read an ext3 16k made on the ReadNAS Duo...
My tests:
- make an empty 16MB file
- loop with losetup
- make default ext3 fs
=> It gets 1024k block (small fs)
Any Linux with ext3 reads it (loop mount)
- make ext3 with explicit 16k blocks
=> pre 3.2 and 3.2 Linux can't read it... :(
(tried loop mount with automatic fs detection and tried with -t ext4, since ext4 is advertised 16k compatible with 3.2 kernel)
I'll try to ask to kernel or ext4 developers...
I've tested Linux 3.2 (from Mageia 2 alpha3 distro) : I can't read an ext3 16k made on the ReadNAS Duo...
My tests:
- make an empty 16MB file
- loop with losetup
- make default ext3 fs
=> It gets 1024k block (small fs)
Any Linux with ext3 reads it (loop mount)
- make ext3 with explicit 16k blocks
=> pre 3.2 and 3.2 Linux can't read it... :(
(tried loop mount with automatic fs detection and tried with -t ext4, since ext4 is advertised 16k compatible with 3.2 kernel)
I'll try to ask to kernel or ext4 developers...
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