Re: [openstack-dev] [Nova] Default ephemeral filesystem

2013-12-20 Thread Daniel P. Berrange
On Fri, Dec 20, 2013 at 09:21:54AM +1300, Robert Collins wrote: The default ephemeral filesystem in Nova is ext3 (for Linux). However ext3 is IMNSHO a pretty poor choice given ext4's existence. I can totally accept that other fs's like xfs might be contentious - but is there any reason not to

Re: [openstack-dev] [Nova] Default ephemeral filesystem

2013-12-20 Thread Robert Collins
Thats certainly a logical extension to the system, but orthogonal to fixing a bad default IMO. Admins can already configure a filesystem per OS. -Rob On 20 December 2013 23:00, Daniel P. Berrange berra...@redhat.com wrote: On Fri, Dec 20, 2013 at 09:21:54AM +1300, Robert Collins wrote: The

[openstack-dev] [Nova] Default ephemeral filesystem

2013-12-19 Thread Robert Collins
The default ephemeral filesystem in Nova is ext3 (for Linux). However ext3 is IMNSHO a pretty poor choice given ext4's existence. I can totally accept that other fs's like xfs might be contentious - but is there any reason not to make ext4 the default? I'm not aware of any distro that doesn't

Re: [openstack-dev] [Nova] Default ephemeral filesystem

2013-12-19 Thread Sean Dague
On 12/19/2013 03:21 PM, Robert Collins wrote: The default ephemeral filesystem in Nova is ext3 (for Linux). However ext3 is IMNSHO a pretty poor choice given ext4's existence. I can totally accept that other fs's like xfs might be contentious - but is there any reason not to make ext4 the

Re: [openstack-dev] [Nova] Default ephemeral filesystem

2013-12-19 Thread Andrew Woodward
From my some testing I did a couple of months ago, we decided to move to XFS to avoid the issue I was poking around with after my file system inadvertently filled and found that in ex3/4 all of the inodes in the file system have to be zeroed prior to mkfs completing (unless the kernel is above