From mboxrd@z Thu Jan  1 00:00:00 1970
From: Roman Mamedov <roman@rm.pp.ru>
Subject: Re: mdadm raid5 array - 0 space available but usage is less than
 capacity
Date: Fri, 24 Sep 2010 02:18:45 +0600
Message-ID: <20100924021845.2c7ee01b@natsu>
References: <AANLkTi=XoxYmj8G5+GadCCTxQGJqpMttmU3NMH_vtKYM@mail.gmail.com>
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To: Robin Doherty <rdoherty@gmail.com>
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On Thu, 23 Sep 2010 20:43:44 +0100
Robin Doherty <rdoherty@gmail.com> wrote:

> So maybe this is a file system problem rather than an mdadm problem?

mkfs.ext3 says:

       -m reserved-blocks-percentage
              Specify the percentage of the filesystem blocks reserved for =
the
              super-user.   This  avoids  fragmentation, and allows root-ow=
ned
              daemons, such as syslogd(8), to continue to  function  correc=
tly
              after non-privileged processes are prevented from writing to =
the
              filesystem.  The default percentage is 5%.

this can be changed on an existing FS using tune2fs.

Also, this is not related to mdadm at all.

--=20
With respect,
Roman

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