- Original Message -
From: George Wilson george.wil...@delphix.com
To: Steven Hartland kill...@multiplay.co.uk; developer@open-zfs.org
Sent: Wednesday, May 07, 2014 3:07 PM
Subject: Re: [OpenZFS Developer] zfs zio reordering in zio_vdev_io_start
causing panics
On 5/7/14, 4:44 AM
On 5/7/14, 10:55 AM, Steven Hartland wrote:
- Original Message - From: George Wilson
george.wil...@delphix.com
To: Steven Hartland kill...@multiplay.co.uk; developer@open-zfs.org
Sent: Wednesday, May 07, 2014 3:07 PM
Subject: Re: [OpenZFS Developer] zfs zio reordering
- Original Message -
From: George Wilson george.wil...@delphix.com
There are a couple of cases where it can work but I'm going to make it
such that requires you to always return back ZIO_PIPELINE_STOP.
Otherwise it's makes it too easy to introduce a programming error. For
example,
On 5/7/14, 11:46 AM, Steven Hartland wrote:
- Original Message - From: George Wilson
george.wil...@delphix.com
There are a couple of cases where it can work but I'm going to make
it such that requires you to always return back ZIO_PIPELINE_STOP.
Otherwise it's makes it too easy to
- Original Message -
From: George Wilson george.wil...@delphix.com
On 5/7/14, 11:46 AM, Steven Hartland wrote:
- Original Message - From: George Wilson
george.wil...@delphix.com
There are a couple of cases where it can work but I'm going to make
it such that requires you
On 5/7/14, 12:50 PM, Steven Hartland wrote:
- Original Message - From: George Wilson
george.wil...@delphix.com
On 5/7/14, 11:46 AM, Steven Hartland wrote:
- Original Message - From: George Wilson
george.wil...@delphix.com
There are a couple of cases where it can work but
- Original Message -
From: George Wilson george.wil...@delphix.com
On 5/7/14, 11:46 AM, Steven Hartland wrote:
- Original Message - From: George Wilson
george.wil...@delphix.com
There are a couple of cases where it can work but I'm going to make
it such that requires you to
Steven,
I think there is probably another way we can solve this problem but I
first want to get a better understanding of the corruption. We have not
integrated the TRIM support upstream and I suspect that's the source of
most of the problems. Can you confirm that with TRIM disabled that most
I've been working on adding IO priority support for TRIM back into
FreeBSD after the import of the new IO scheduling from illumos.
Based on avg's initial work and having got my head around the
requirements of the new scheduler I came up with the attached
zz-zfs-trim-priority.patch.
Most of the
