Hi,

This is an OSD box running Hammer on Ubuntu 14.04 LTS with additional
systems administration tools:
> $ df -h | grep -v /var/lib/ceph/osd
> Filesystem      Size  Used Avail Use% Mounted on
> udev            5,9G  4,0K  5,9G   1% /dev
> tmpfs           1,2G  892K  1,2G   1% /run
> /dev/dm-1       203G  2,1G  200G   2% /
> none            4,0K     0  4,0K   0% /sys/fs/cgroup
> none            5,0M     0  5,0M   0% /run/lock
> none            5,9G     0  5,9G   0% /run/shm
> none            100M     0  100M   0% /run/user
> /dev/dm-1       203G  2,1G  200G   2% /home

As you can see, less than 10G is actually used.

Regards,
Kees

On 13-07-16 11:51, Ashley Merrick wrote:
> May sound a random question, but what size would you recommend for the 
> SATA-DOM, obviously I know standard OS space requirements, but will CEPH 
> required much on the root OS of a OSD only node apart from standard logs.

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