Re: [MooseFS-Users] input/output error in directory

[Ricardo J. B. <ric...@do...>]

El Miércoles 01/04/2015, Steve Wilson escribió:
> Hi,
>
> One of our MooseFS installations has a problem with one of its
> directories.  mfsdirinfo shows:
>
>     [root@mckinley IPAB]# mfsdirinfo database
>     database:
>       inodes:                    2381944
>        directories:                    1
>        files:                    2381943
>       chunks:                    2381942
>       length:                 4863750852
>       size:                 168298493952
>       realsize:             336596987904
>
>
> When going into the directory and attempting to list the contents, I get
> the following error from ls:
>
>     ls: reading directory .: Input/output error
>
> I can create new entries in this directory, list them, and remove them:
>
>     [root@mckinley x]# touch a
>     [root@mckinley x]# ls -l a
>     -rw-r--r-- 1 root root 0 Apr  1 10:45 a
>     [root@mckinley x]# rm a
>     rm: remove regular empty file `a'? y
>     [root@mckinley x]#
>
> I don't see any MooseFS error messages in the logs and the MooseFS
> filesystem check information is clean.  Any suggestions???

I'm not sure, but I'd check connectivity from clients to chunkservers (i.e: 
firewall, routing) because creating an empty file only contacts mfsmaster and 
maybe ls'ing an empty file does the same.

Does a simple '/bin/ls' inside database work?

> Thanks!
>
> Steve

Regards,
-- 
Ricardo J. Barberis
Senior SysAdmin / IT Architect
DonWeb
La Actitud Es Todo
www.DonWeb.com
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