[Ocfs2-users] resize ocfs LUN

[Joseph Qi]

You can refer to the user guide, which can be found at
https://oss.oracle.com/projects/ocfs2/dist/documentation/v1.6/ocfs2-1_6-usersguide.pdf
And the mkfs man doc also has some useful information.

Thanks,
Joseph

On 2016/5/16 17:27, Umarzuki Mochlis wrote:
> Any document that have details about what you have explained so I can refer to?
> 
> Thanks.
> 
> 2016-05-16 17:07 GMT+08:00 Joseph Qi <joseph.qi at huawei.com>:
>> Hi,
>> It depends on the user scenario. I suggest choose the approximate
>> cluster size with the most files. And you should also consider the
>> volume size support, for example, 4K cluster will only support 16TB
>> volume, while 1M cluster can support 4PB.
>> BTW, no matter 4kb or 20kb files, they are always occupy 128kb in your
>> ocfs2 volume. If file size is less than about 3.8kb, it will use inline
>> data feature which stores data together with inode and won't allocate
>> new data cluster.
>>
>> Thanks,
>> Joseph
>>
>> On 2016/5/16 15:52, Umarzuki Mochlis wrote:
>>> What is the best way for me to reformat my ocfs LUN because I got
>>> complains that 4kb files become 0kb and 20kb files become 128kb. The
>>> partition when reaching 80% usage, it will become not writable
>>> anymore. It is a LVM2 logical volume.
>>>
>>> Format command used:
>>>
>>> sudo mkfs.ocfs2 -b 4K -C 128K -L "Web Cluster" /dev/webvg/weblv
>>>
>>> Thanks for any advise
>>>
>>> _______________________________________________
>>> Ocfs2-users mailing list
>>> Ocfs2-users at oss.oracle.com
>>> https://oss.oracle.com/mailman/listinfo/ocfs2-users
>>>
>>>
>>
>>
> 
>