Re: [Lsf] Notes from the four separate IO track sessions at LSF/MM

2016-04-28 Thread James Bottomley
On Thu, 2016-04-28 at 16:19 +, Knight, Frederick wrote: > There are multiple possible situations being intermixed in this > discussion. First, I assume you're talking only about random access > devices (if you try transport level error recover on a sequential > access device - tape or SMR

Re: [Lsf] Notes from the four separate IO track sessions at LSF/MM

2016-04-28 Thread Bart Van Assche
28, 2016 11:54 AM > To: James Bottomley; Mike Snitzer > Cc: linux-bl...@vger.kernel.org; l...@lists.linux-foundation.org; > device-mapper development; linux-scsi > Subject: Re: [Lsf] Notes from the four separate IO track sessions at LSF/MM > > On 04/28/2016 08:40 AM, James Bottomley

Re: [Lsf] Notes from the four separate IO track sessions at LSF/MM

2016-04-28 Thread Laurence Oberman
r" <snit...@redhat.com> Cc: linux-bl...@vger.kernel.org, l...@lists.linux-foundation.org, "device-mapper development" <dm-de...@redhat.com>, "linux-scsi" <linux-scsi@vger.kernel.org> Sent: Thursday, April 28, 2016 11:53:50 AM Subject: Re: [Lsf] Notes from the fo

RE: [Lsf] Notes from the four separate IO track sessions at LSF/MM

2016-04-28 Thread Knight, Frederick
y; Mike Snitzer Cc: linux-bl...@vger.kernel.org; l...@lists.linux-foundation.org; device-mapper development; linux-scsi Subject: Re: [Lsf] Notes from the four separate IO track sessions at LSF/MM On 04/28/2016 08:40 AM, James Bottomley wrote: > Well, the entire room, that's vendors, users and i

Re: [Lsf] Notes from the four separate IO track sessions at LSF/MM

2016-04-28 Thread Bart Van Assche
On 04/28/2016 08:40 AM, James Bottomley wrote: Well, the entire room, that's vendors, users and implementors complained that path failover takes far too long. I think in their minds this is enough substance to go on. The only complaints I heard about path failover taking too long came from