Amount of disk space lost to formatting?
dhubbard at dino.hostasaurus.com
Fri Apr 14 11:30:07 CDT 2006
Filesystem Size Used Avail Use% Mounted on
/dev/sdb1 68G 104M 68G 1% /data
Yeah, that's ridiculous. I've never really paid attention
to the reserved space before because on our servers there's
always more than enough room. This pair of drives was
for a customer's data though and he was wondering why the
available space on the drives he paid for was several gigs
less than what he expected to have. LOL
> -----Original Message-----
> From: Jeff Garzik [mailto:jgarzik at redhat.com]
> Sent: Friday, April 14, 2006 12:19 PM
> To: Ron Waddell
> Cc: David Hubbard; linux-poweredge at dell.com
> Subject: Re: Amount of disk space lost to formatting?
> On Fri, Apr 14, 2006 at 12:07:53PM -0400, Ron Waddell wrote:
> > Use tune2fs to lower the amount of reserved space. I
> believe the default is
> > 5%.
> Yep. This is probably the poster's problem, indeed.
> 'tune2fs -m0 $dev' will fix it.
> The reserved blocks eat MANY gigabytes. The default is awful
> for modern
> hundreds-of-gigabytes drives.
> I've poked the e2fsprogs authors about this, without success.
> So on my
> 500GB RAID1 partition, I reclaim 25GB from ext's stupidity
> with tune2fs.
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