On Wed, 10 Oct 2012, Gregory Farnum wrote:
> I don't know the ext4 internals at all, but filesystems tend to
> require allocation tables of various sorts (for managing extents,
> etc). 7.5GB out of 500GB seems a little large for that metadata, but
> isn't ridiculously so...
ext3/4 are particularly
Thanks for the input, Gregory and Josh.
What I am hearing is that this has everything to do with the
filesystem, and nothing to do with the block device on Ceph.
Thanks again,
- Travis
On Wed, Oct 10, 2012 at 1:55 PM, Gregory Farnum wrote:
> I don't know the ext4 internals at all, but filesys
I don't know the ext4 internals at all, but filesystems tend to
require allocation tables of various sorts (for managing extents,
etc). 7.5GB out of 500GB seems a little large for that metadata, but
isn't ridiculously so...
On Wed, Oct 10, 2012 at 10:28 AM, Damien Churchill wrote:
> On 10 October
On 10/10/2012 10:10 AM, Travis Rhoden wrote:
Hey folks,
I have two questions about determining how much storage has been used
*inside* of an RBD.
First, I'm confused by the output of df. I've created, mapped, and
mounted a 500GB RBD, and see the following:
# df -h /srv/test
Filesystem Si
Damien,
Thanks for solving that part of the mystery. I can't believe I forgot
about that. Thanks for the reminder and the clear explanation.
- Travis
On Wed, Oct 10, 2012 at 1:28 PM, Damien Churchill wrote:
> On 10 October 2012 18:10, Travis Rhoden wrote:
>> Additionally, 500G - 7.5G != 467
On 10 October 2012 18:10, Travis Rhoden wrote:
> Additionally, 500G - 7.5G != 467G (the number shown as Avail). Why
> the huge discrepancy? I don't expect the numbers to add up exact due
> to rounding from kB, MB, GB, etc, but they should be darn close, a la
ext4 keeps some reserved space, 5% b
Hey folks,
I have two questions about determining how much storage has been used
*inside* of an RBD.
First, I'm confused by the output of df. I've created, mapped, and
mounted a 500GB RBD, and see the following:
# df -h /srv/test
Filesystem Size Used Avail Use% Mounted on
/dev/rbd44
