Re: Heavy nocow'd VM image fragmentation

2014-10-27 Thread Duncan
Larkin Lowrey posted on Sun, 26 Oct 2014 12:20:45 -0500 as excerpted: One unusual property of my setup is I have my fs on top of bcache. More specifically, the stack is md raid6 - bcache - lvm - btrfs. When the fs mounts it has mount option 'ssd' due to the fact that bcache sets

Re: Heavy nocow'd VM image fragmentation

2014-10-27 Thread Austin S Hemmelgarn
On 2014-10-26 13:20, Larkin Lowrey wrote: On 10/24/2014 10:28 PM, Duncan wrote: Robert White posted on Fri, 24 Oct 2014 19:41:32 -0700 as excerpted: On 10/24/2014 04:49 AM, Marc MERLIN wrote: On Thu, Oct 23, 2014 at 06:04:43PM -0500, Larkin Lowrey wrote: I have a 240GB VirtualBox vdi image

Re: Heavy nocow'd VM image fragmentation

2014-10-26 Thread Larkin Lowrey
On 10/24/2014 10:28 PM, Duncan wrote: Robert White posted on Fri, 24 Oct 2014 19:41:32 -0700 as excerpted: On 10/24/2014 04:49 AM, Marc MERLIN wrote: On Thu, Oct 23, 2014 at 06:04:43PM -0500, Larkin Lowrey wrote: I have a 240GB VirtualBox vdi image that is showing heavy fragmentation

Fw: Heavy nocow'd VM image fragmentation

2014-10-25 Thread Duncan
Begin forwarded message (forgot to send to list): Date: Sat, 25 Oct 2014 03:57:41 -0700 From: Duncan 1i5t5.dun...@cox.net To: Marc MERLIN m...@merlins.org Subject: Re: Heavy nocow'd VM image fragmentation On Fri, 24 Oct 2014 21:48:56 -0700 Marc MERLIN m...@merlins.org wrote: On Oct 25, 2014

Re: Heavy nocow'd VM image fragmentation

2014-10-24 Thread Marc MERLIN
On Thu, Oct 23, 2014 at 06:04:43PM -0500, Larkin Lowrey wrote: I have a 240GB VirtualBox vdi image that is showing heavy fragmentation (filefrag). The file was created in a dir that was chattr +C'd, the file was created via fallocate and the contents of the orignal image were copied into the

Re: Heavy nocow'd VM image fragmentation

2014-10-24 Thread Robert White
On 10/24/2014 04:49 AM, Marc MERLIN wrote: On Thu, Oct 23, 2014 at 06:04:43PM -0500, Larkin Lowrey wrote: I have a 240GB VirtualBox vdi image that is showing heavy fragmentation (filefrag). The file was created in a dir that was chattr +C'd, the file was created via fallocate and the contents

Re: Heavy nocow'd VM image fragmentation

2014-10-24 Thread Duncan
Robert White posted on Fri, 24 Oct 2014 19:41:32 -0700 as excerpted: On 10/24/2014 04:49 AM, Marc MERLIN wrote: On Thu, Oct 23, 2014 at 06:04:43PM -0500, Larkin Lowrey wrote: I have a 240GB VirtualBox vdi image that is showing heavy fragmentation (filefrag). The file was created in a dir that

Heavy nocow'd VM image fragmentation

2014-10-23 Thread Larkin Lowrey
I have a 240GB VirtualBox vdi image that is showing heavy fragmentation (filefrag). The file was created in a dir that was chattr +C'd, the file was created via fallocate and the contents of the orignal image were copied into the file via dd. I verified that the image was +C. After initial