Re: [Moosefs-users] Wrong disk usage in mfs cgi monitor and "df -h"

[Boli <bo...@le...>]

Does it have anything to do with reserved space for root on the filesystem?

(tune2fs -m 1 , or similar...)

On 21/04/2011 11:04, youngcow wrote:
> I think the reason is filesystem uses some space when you format it.
> 
>> Hi!
>>
>> That really looks a bit strange. We’d blame difference between 'df -h
>> /data1' and 'du -sh /data1/chunkdata' on the operating system, and it
>> has nothing to do with MooseFS (maybe some difference between protocols
>> in kernel or some tools?). What is your operating system? If ‘df’ and
>> ‘du’ give wrong values it may be cause of other inconsequences.
>>
>> And when you make this command: "ls -al /data1/chunkdata/*/*" – how many
>> “chunk…mfs” files do you have? What is the sum of their sizes? Do
>> something like this:
>>
>> ls -al /data1/chunkdata/*/* | awk '{ a+=$5; } END {print a;}'
>>
>> it should give the sum of files sizes in bytes.
>>
>> Regards
>>
>> Michal
>>
>> *From:*boblin [mailto:ai...@qq...]
>> *Sent:* Wednesday, April 20, 2011 7:18 PM
>> *To:* Michal Borychowski
>> *Subject:* Re:RE: RE: [Moosefs-users] Wrong disk usage in mfs cgi
>> monitor and "df -h"
>>
>> hi Michal ：
>>
>> Now I've got a problem about disk usage , "df -h" shows that partition
>> "/data1" used space is 130M . But "du -hs *" shows only
>>
>> 1.1M。And the most crazy thing is that it show 35GB in cgi monitor ！！
>> All my 3 chunkserver have the same problem .
>>
>> I had read the FAQ and found the "df -h" question ( N * 256 * num_of_hdd
>> increased by disk usage），it doesn't help ...
>>
>> How can I know the exactlly disk usage ?
>>
>>
>>
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> 
> ------------------------------------------------------------------------------
> Benefiting from Server Virtualization: Beyond Initial Workload 
> Consolidation -- Increasing the use of server virtualization is a top
> priority.Virtualization can reduce costs, simplify management, and improve 
> application availability and disaster protection. Learn more about boosting 
> the value of server virtualization. http://p.sf.net/sfu/vmware-sfdev2dev
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