Thank you for your help. Unfortunately, it didn't give me the answer I
had hoped for. Darn!
--
tune2fs 1.42.5 (29-Jul-2012)
Filesystem volume name: <none>
Last mounted on: /mnt/dataRaid
Filesystem UUID: 60171591-358c-4b6a-9b29-684c1b964aa8
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 large_file
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: 503316480
Block count: 4026531840
Reserved block count: 201326591
Free blocks: 1301052106
Free inodes: 502075987
First block: 0
Block size: 4096
Fragment size: 4096
Reserved GDT blocks: 64
Blocks per group: 32768
Fragments per group: 32768
Inodes per group: 4096
Inode blocks per group: 256
RAID stride: 128
RAID stripe width: 512
Flex block group size: 16
Filesystem created: Fri Dec 7 01:00:01 2012
Last mount time: Tue Jul 16 21:09:31 2013
Last write time: Tue Jul 16 21:09:31 2013
Mount count: 2
Maximum mount count: -1
Last checked: Mon Jul 8 15:21:15 2013
Check interval: 0 (<none>)
Lifetime writes: 9 TB
Reserved blocks uid: 0 (user root)
Reserved blocks gid: 0 (group root)
First inode: 11
Inode size: 256
Required extra isize: 28
Desired extra isize: 28
Journal inode: 8
Default directory hash: half_md4
Directory Hash Seed: 62024c47-022f-448e-a697-e3fb4ed618f3
Journal backup: inode blocks
On Sun, Jul 21, 2013 at 7:52 PM, Zheng Liu <gnehzuil.liu@xxxxxxxxx> wrote:
> Hi Michael,
>
> On Sun, Jul 21, 2013 at 07:44:12PM -0500, Michael wrote:
>> Also, in /etc/mke2fs.conf(Ubuntu has this by default):
>> ext4 = {
>> features =
>> has_journal,extent,huge_file,flex_bg,uninit_bg,dir_nlink,extra_isize
>> auto_64-bit_support = 1
>> inode_size = 256
>> }
>>
>> ext4dev = {
>> features =
>> has_journal,extent,huge_file,flex_bg,uninit_bg,dir_nlink,extra_isize
>> inode_size = 256
>> options = test_fs=1
>> }
>>
>>
>>
>> Also, any info on how to find out if my fs is 64 bit or not? I don't
>> know what this config was back when I made the system.
>
> You could use 'tune2fs -l ${DEV}' to check whether 64bit feature is
> enabled. Here is a sample result:
>
> $ sudo tune2fs -l /dev/sda1
> tune2fs 1.43-WIP (21-Jan-2013)
> Filesystem volume name: <none>
> Last mounted on: <not available>
> Filesystem UUID: 5abc13bd-01d9-41ff-b7ca-a028b3d610f8
> Filesystem magic number: 0xEF53
> Filesystem revision #: 1 (dynamic)
> Filesystem features: has_journal ext_attr resize_inode dir_index
> filetype extent 64bit flex_bg sparse_super large_file 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: 5021696
> Block count: 20081242
> Reserved block count: 1004062
> Free blocks: 19719931
> Free inodes: 5021685
> First block: 0
> Block size: 4096
> Fragment size: 4096
> Reserved GDT blocks: 1024
> Blocks per group: 32768
> Fragments per group: 32768
> Inodes per group: 8192
> Inode blocks per group: 512
> Flex block group size: 16
> Filesystem created: Mon Jul 22 08:50:15 2013
> Last mount time: n/a
> Last write time: Mon Jul 22 08:50:25 2013
> Mount count: 0
> Maximum mount count: -1
> Last checked: Mon Jul 22 08:50:15 2013
> Check interval: 0 (<none>)
> Lifetime writes: 1358 MB
> Reserved blocks uid: 0 (user root)
> Reserved blocks gid: 0 (group root)
> First inode: 11
> Inode size: 256
> Required extra isize: 28
> Desired extra isize: 28
> Journal inode: 8
> Default directory hash: half_md4
> Directory Hash Seed: 7d9a465d-3e37-4d41-af45-fff9c682f8ec
> Journal backup: inode blocks
>
> Regards,
> - Zheng
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