Re: [Lustre-discuss] Swap over lustre

2011-08-18 Thread John Hanks
On Thu, Aug 18, 2011 at 12:36 AM, Temple Jason jtem...@cscs.ch wrote: Hello, I experimented with swap on lustre in as many ways as possible (without touching the code), and had the shortest path possible to no avail.  The code is not able to handle it at all, and the system always hung.

[Lustre-discuss] Swap over lustre

2011-08-17 Thread John Hanks
Hi, I've been trying to get swap on lustre to work with not much success using blockdev_attach and the resulting lloop0 device and using losetup and the resulting loop device. This thread (http://www.mail-archive.com/lustre-discuss@lists.lustre.org/msg00856.html) claims that it works, but in all

Re: [Lustre-discuss] Swap over lustre

2011-08-17 Thread John Hanks
On Wed, Aug 17, 2011 at 8:57 PM, Joe Landman land...@scalableinformatics.com wrote: On 08/17/2011 10:43 PM, John Hanks wrote: As a rule of thumb, you should try to keep the path to swap as simple as possible.  No memory/buffer allocations on the way to a paging event if you can possibly do