Re: [PATCH] scsi_dh_alua: Requeue another not ready check condition at ML

2014-02-28 Thread Stewart, Sean
On Fri, 2014-02-28 at 16:14 +0100, Hannes Reinecke wrote: > On 02/28/2014 02:58 AM, Mike Christie wrote: > > On 02/27/2014 06:14 PM, Stewart, Sean wrote: > >> This allows the sd driver to retry commands like read capacity until a > >> LUN is ready, rather than giving up after three retries. > >> >

Re: [PATCH] scsi_dh_alua: Requeue another not ready check condition at ML

2014-02-28 Thread Hannes Reinecke
On 02/28/2014 02:58 AM, Mike Christie wrote: > On 02/27/2014 06:14 PM, Stewart, Sean wrote: >> This allows the sd driver to retry commands like read capacity until a >> LUN is ready, rather than giving up after three retries. >> >> In NetApp E-Series, a controller can return not ready like this whe

Re: [PATCH] scsi_dh_alua: Requeue another not ready check condition at ML

2014-02-27 Thread Mike Christie
On 02/27/2014 06:14 PM, Stewart, Sean wrote: > This allows the sd driver to retry commands like read capacity until a > LUN is ready, rather than giving up after three retries. > > In NetApp E-Series, a controller can return not ready like this when it > quiesces I/O on the controller that just ca

[PATCH] scsi_dh_alua: Requeue another not ready check condition at ML

2014-02-27 Thread Stewart, Sean
This allows the sd driver to retry commands like read capacity until a LUN is ready, rather than giving up after three retries. In NetApp E-Series, a controller can return not ready like this when it quiesces I/O on the controller that just came on the network, during a firmware upgrade procedure,