[dm-devel] Losing paths

[Hannes Reinecke]

Hi Guy,

guy keren wrote:
> 
> Does the 'tur' checker take into account unit-attention issues (i.e. 
> when the configuration of a SCSI device changes, the next command coming 
> from an afected initiator (not necessarily to the same LU) should be 
> failed with a 'check condition' error and a 'unit attention' sense code.
> 
> if the TUR checker sent a TUR right after the change and before another 
> read/write command was sent - it will be failed, and then the question 
> is, whether the lower-level driver retries the TUR command, or returns 
> an error. any idea?
> 
It does for SLES10 SP2. Upstream not; I'll have to send the
patches one day.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		      zSeries & Storage
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