Re: [LSF/MM ATTEND] [LSF/MM TOPIC]

[Hannes Reinecke <hare@suse.de>]

On 01/09/2015 05:14 PM, Ewan Milne wrote:
> I'd like to attend LSF -- I am responsible for maintaining the SCSI
> subsystem at Red Hat, and in addition to resolving issues for customers
> and partners, I've been participating in upstream development for the
> past couple of years.  I have an extensive background in SCSI and OS
> development, including 15 years of working with the Linux kernel.
> 
> I would also like to have a discussion at LSF/MM 2015 about how we could
> better handle devices whose properties change after being probed. This
> includes:
> 
>   - READ CAPACITY data
>   - ALUA state
>   - EMC OWNED/UNOWNED state
>   - NOT READY state
> 
> Currently, when these properties change, we do not always handle it
> very well (e.g. multipath stops using a path if the capacity changes,
> even if it the only good path to the device...)
> 
Hehe. I was waiting for this to pop up :-)
"Not handling it very well" is an euphemism ...

So yes, I'd definitely like to discuss this.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		      zSeries & Storage
hare@suse.de			      +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)
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