[Ocfs2-users] ocfs2 - disk usage inconsistencies
Sunil Mushran
Sunil.Mushran at oracle.com
Wed Sep 20 11:52:03 PDT 2006
Another node or that node itself.
As far as the filesize goes, "ls -l" does not give the ondisk size.
Do "stat <inodenum>" on the unlinked files and see the "Clusters".
Matthew Flusche wrote:
> There has been a lot of file system activity recently.
>
> I have files in orphan_dir:0000 and orphan_dir:0002. But that doesn't
> seem to account for the 17 GB missing. The truncate logs seem clean.
> So having files in orphan_dir:0000 is telling me that the node in slot 0
> deleted files and another node(s) still has the file open, correct?
>
> Matt
>
> debugfs: ls -l //orphan_dir:0000
> 16 drwxr-xr-x 13 0 0 774144
> 10-Sep-2006 00:08 .
> 10 drwxr-xr-x 6 0 0 4096
> 2-May-2006 16:11 ..
> 3052182 drwxrwxrwx 0 501 500 4096
> 19-Jul-2006 17:50 00000000002e9296
> 8234094 drwxrwxrwx 0 501 500 4096
> 19-Jul-2006 17:50 00000000007da46e
> 13063783 drwxrwxrwx 0 501 500 4096
> 19-Jul-2006 17:50 0000000000c75667
> 7869995 drwxrwxrwx 0 501 500 4096
> 22-Aug-2006 13:27 000000000078162b
> 3741473 drwxrwxrwx 0 501 500 4096
> 22-Aug-2006 13:29 0000000000391721
> 3351057 drwxrwxrwx 0 501 500 4096
> 19-Jul-2006 17:50 0000000000332211
> 7842503 drwxrwxrwx 0 501 500 4096
> 19-Jul-2006 17:50 000000000077aac7
> 2056493 drwxrwxrwx 0 501 500 4096
> 5-Sep-2006 08:53 00000000001f612d
> 7861894 drwxrwxrwx 0 501 500 4096
> 5-Sep-2006 08:53 000000000077f686
> 1487817 drwxrwxrwx 0 501 500 4096
> 5-Sep-2006 08:53 000000000016b3c9
> 1702439 drwxrwxrwx 0 501 500 4096
> 5-Sep-2006 08:53 000000000019fa27
>
> debugfs: ls -l //orphan_dir:0002
> 18 drwxr-xr-x 2 0 0 94208
> 5-Jul-2006 17:13 .
> 10 drwxr-xr-x 6 0 0 4096
> 2-May-2006 16:11 ..
> 4301446 -rw-r--r-- 0 503 500 0
> 12-Aug-2006 10:40 000000000041a286
>
> -----Original Message-----
> From: Sunil Mushran [mailto:Sunil.Mushran at oracle.com]
> Sent: Wednesday, September 20, 2006 12:32 PM
> To: Matthew Flusche
> Cc: Ocfs2-users at oss.oracle.com
> Subject: Re: [Ocfs2-users] ocfs2 - disk usage inconsistencies
>
> Did you remove some large files recently? If so, check the orphan_dir
> and truncate_log for all the slots.
>
> 1. Start debugfs:
> # debugfs.ocfs2 /dev/sdX
>
> 2. List system directory:
> > ls -l //
>
> 3. List files in all orphan_dir(s):
> > ls -l //orphan_dir:0000
>
> If there are files, means some process in the cluster is still using
> that file.
>
> 4. stat all trancate_log(s):
> > stat //truncate_log:0000
>
> I will be surprised if you see any bits here. If there are, do
> "sync;sync;sync;" on the
> appropriate node.
>
> 5. You can find the appropriate node by dumping the slotmap:
> > slotmap
> Find the slot-to-nodenum mapping. Do the sync on that node.
>
> For this and more, refer to the on-disk format support guide.
> http://oss.oracle.com/projects/ocfs2/dist/documentation/03-disk_format.p
> df
>
> Matthew Flusche wrote:
>
>> Hi all.
>>
>> I have a 50 GB OCFS2 file system. I'm currently using ~26GB of space
>> but df is reporting 43 GB used. Any ideas how to find out where the
>> missing 17GB is at?
>>
>> The file system was formatted with a 16K cluster & 4K block size.
>>
>> Thanks,
>>
>> Matt
>>
>>
>>
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