Am 11.11.2011 14:01, schrieb John Hodrien: > On Fri, 11 Nov 2011, Reindl Harald wrote: > >> so tell me why i do not need GRUB2 for this more than a year? >> >> 2.6.40.8-4.fc15.x86_64 #1 SMP Tue Nov 1 18:17:12 UTC 2011 >> >> /dev/md1 ext4 29G 8,0G 21G 28% / >> /dev/md0 ext4 485M 52M 429M 11% /boot >> /dev/md2 ext4 3,6T 602G 3,0T 17% /mnt/data > > Presumably because ext4 is backwards compatible to ext3 grub didn't even > notice the change... IT IS NOT BACKWARD-COMPATIBLE try to mount native ext4 (extent) with ext3-driver and you will see it native ext4 is default for /boot since a long time https://bugzilla.redhat.com/show_bug.cgi?id=486284 tune2fs 1.41.14 (22-Dec-2010) Filesystem volume name: boot Last mounted on: /boot Filesystem UUID: 1de836e4-e97c-43ee-b65c-400b0c29d3aa Filesystem magic number: 0xEF53 Filesystem revision #: 1 (dynamic) Filesystem features: has_journal ext_attr resize_inode dir_index filetype needs_recovery extent flex_bg sparse_super huge_file uninit_bg dir_nlink extra_isize Filesystem flags: signed_directory_hash Default mount options: user_xattr acl Filesystem state: clean Errors behavior: Continue Filesystem OS type: Linux Inode count: 128016 Block count: 511988 Reserved block count: 4096 Free blocks: 443096 Free inodes: 127933 First block: 1 Block size: 1024 Fragment size: 1024 Reserved GDT blocks: 256 Blocks per group: 8192 Fragments per group: 8192 Inodes per group: 2032 Inode blocks per group: 254 Flex block group size: 16 Filesystem created: Wed Jun 8 13:10:48 2011 Last mount time: Fri Nov 11 13:34:40 2011 Last write time: Fri Nov 11 13:34:40 2011 Mount count: 20 Maximum mount count: -1 Last checked: Tue Oct 25 18:28:00 2011 Check interval: 2592000 (1 month) Next check after: Thu Nov 24 17:28:00 2011 Lifetime writes: 2167 MB Reserved blocks uid: 0 (user root) Reserved blocks gid: 0 (group root) First inode: 11 Inode size: 128 Journal inode: 8 Default directory hash: half_md4 Directory Hash Seed: 7c5447a5-c4ae-483f-ac58-786ad0ecd86c Journal backup: inode blocks -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 262 bytes Desc: OpenPGP digital signature URL: <http://lists.centos.org/pipermail/centos/attachments/20111111/c82df8a0/attachment-0005.sig>