To: Jason R Thorpe <>
From: Matthew Jacob <>
List: tech-kern
Date: 02/20/2002 17:31:28
> On Wed, Feb 20, 2002 at 04:07:02PM -0800, Matthew Jacob wrote:
>  > Are there any objections to making the XS_SELTIMEOUT case the same as
>  > XS_TIMEOUT? (i.e., if there retries, retry the command that failed instead
>  > of just returning an EIO)?
>  > 
>  > There could be a number reasons that selection failed (temporarily)- and this
>  > is just for SPI (regular old SCSI). For Fibre Channel, this could happen a
>  > lot.
> Seems fine to me ... but wouldn't XS_SELTIMEOUT be a good reason to
> automatically config_detach() a device?

*After* retries, yes. This allows you to set a policy about retries before
giving up (e.g.,

options	SDRETRIES	100


in, say, very noisy SAN environments where disks go away a lot (but reappear
just about as quickly).