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Re: filesystem shrinks after using xfs_repair

To: Emmanuel Florac <eflorac@xxxxxxxxxxxxxx>
Subject: Re: filesystem shrinks after using xfs_repair
From: Eli Morris <ermorris@xxxxxxxx>
Date: Thu, 29 Jul 2010 15:48:38 -0700
Cc: xfs@xxxxxxxxxxx, Dave Chinner <david@xxxxxxxxxxxxx>
In-reply-to: <20100730000924.77d6767e@xxxxxxxxxxxxxx>
References: <20100712134743.624249b2@xxxxxxxxxxxxxxxxxxxx> <274A8D0C-4C31-4FB9-AB2D-BA3C31D497E0@xxxxxxxx> <20100724005426.GN32635@dastard> <F2AC32C3-2437-4625-980A-3BC9B3C541A2@xxxxxxxx> <20100724023922.GP32635@dastard> <777100A1-57DE-4DE0-B1F0-64977BD694AD@xxxxxxxx> <20100726034545.GE655@dastard> <10B6F36F-BE01-4BF7-9815-2E8F6BF71B41@xxxxxxxx> <20100726060604.GF7362@dastard> <F91DF703-4BFF-415B-91B6-87A88F096C91@xxxxxxxx> <20100726102036.GH7362@dastard> <0EC8FE5D-212C-4030-9D59-FDF38DF4E9EE@xxxxxxxx> <D6C570D6-FEC7-4E3C-AAC2-13275721370A@xxxxxxxx> <20100730000924.77d6767e@xxxxxxxxxxxxxx>
On Jul 29, 2010, at 3:09 PM, Emmanuel Florac wrote:

> Le Thu, 29 Jul 2010 12:22:30 -0700 vous écriviez:
>> I tried filling up the disk with data to see if that worked Ok and it
>> did, up until this point. There is something I don't understand going
>> on though. 'df' says that I have 381 GB free on the disk, but I can't
>> write to the disk anymore because it says it there isn't any space
>> left on it. Is this some insane round off error or is there something
>> going on here?
> You probably ran out of inodes. Do you have many small files?
> -- 
> ------------------------------------------------------------------------
> Emmanuel Florac     |   Direction technique
>                    |   Intellique
>                    |  <eflorac@xxxxxxxxxxxxxx>
>                    |   +33 1 78 94 84 02
> ------------------------------------------------------------------------


I checked the inodes with this command, and it looks like I have plenty left. 
It's this entry, '/dev/mapper/vg1-vol5'.  

[root@nimbus ~]# df -hi
Filesystem            Inodes   IUsed   IFree IUse% Mounted on
/dev/sdb2               6.2M    208K    6.0M    4% /
/dev/sda5               219M    452K    218M    1% /export
/dev/sda2              1001K    5.5K    996K    1% /var
tmpfs                   4.0M       1    4.0M    1% /dev/shm
/dev/mapper/vg1-vol5    1.5G   1020K    1.5G    1% /export/vol5
/dev/sdb1               127M     42K    127M    1% /storage
tmpfs                   4.0M     629    4.0M    1% /var/lib/ganglia/rrds



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