Re: [dm-devel] [PATCH] dm-mpath: always return reservation conflict

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 07/16/2015 09:54 AM, Christoph Hellwig wrote:
> On Thu, Jul 16, 2015 at 05:07:03AM +0000, Christophe Varoqui wrote:
>> For reference the opensvc crm does use type 5 pr, and aims for all paths
>> registered. It still does not make use of the multipathd pr janitoring
>> features, and uses sg_persist directly for pr status and actions.
> 
> The type doesn't matter here.  It's important to set the ALL_TG_PT bit
> when registering the key.  As dm-mpath opens the underlying devices
> exclusively, and doesn't give you a choice which path to send to you're
> in a world of pain without that.
> 
Second that.

I would even put this in the manpage somewhere.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		               zSeries & Storage
hare@xxxxxxx			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)
--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html



[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Index of Archives]     [SCSI Target Devel]     [Linux SCSI Target Infrastructure]     [Kernel Newbies]     [IDE]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Linux ATA RAID]     [Linux IIO]     [Samba]     [Device Mapper]
  Powered by Linux