[Ocfs2-users] debugfs.ocfs2 and Feature Incompat

[Stefan Priebe - allied internet ag]

No not but bonnie is still as slow as before when creating and deleting 
files. I thought this should be "fixed" when using indexed-dirs.

Stefan

Sunil Mushran schrieb:
> Are you having any problems using the software?
> 
> On 06/01/2010 10:55 AM, Stefan Priebe - allied internet ag wrote:
>> Hi!
>>
>> Thanks for your answer but i'm still a little bit confused.
>>
>> I'm running ocfs2 tools git HEAD (middle of may) on each machine with 
>> a 2.6.32.12 kernel. Also the disk was formatted using:
>> mkfs.ocfs2 --fs-feature-level=max-features -L ocfs2disk -N 10 -T mail 
>> -v /dev/sdb
>>
>> So i thought that i can now use features like unwritten, inline-data 
>> and indexed-dirs.
>>
>> Stefan
>>
>> Sunil Mushran schrieb:
>>> On 06/01/2010 04:06 AM, Stefan Priebe - allied internet ag wrote:
>>>
>>> <snip>
>>>>           Feature Compat: 3 backup-super strict-journal-super
>>>>           Feature Incompat: 8016 sparse extended-slotmap inline-data
>>>> metaecc xattr indexed-dirs refcount
>>>>           Tunefs Incomplete: 0
>>>>           Feature RO compat: 1 unwritten
>>>>
>>> <snip>
>>>
>>>> But why is inline-data, indexed-dirs and so on incompatible?
>>>
>>> incompat means that a version of the fs not aware of this feature
>>> should not mount the fs. And that fsck should abort. Users encountering
>>> this error need to mount the fs with a newer version of the fs. Or, use
>>> tunefs.ocfs2 to disable that feature.
>>>
>>> Similarly, ro compat features means that a version of the fs not aware
>>> of the feature can mount fs in read-only mode only.
>>>
>>> As to which feature is incompat/ro/compat is a function of the disk 
>>> format
>>> change involved. Changes that do not negatively affect the 
>>> functioning when
>>> mounted with an older version are "compat". Changes that will corrupt 
>>> the
>>> fs if mounted with an older version are "incompat". "ro compat" are 
>>> changes
>>> that will work as long as the older fs does not write to it.
>