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From: Christophe Varoqui <christophe.varoqui@gmail.com>
To: viktor.larionov@salva.ee,
	device-mapper development <dm-devel@redhat.com>
Subject: Re: multipath-tools: scsi_id based path priorities and multiple prioritizers
Date: Sat, 18 May 2013 15:40:38 +0200	[thread overview]
Message-ID: <1368884438.26587.4.camel@lapoo.opensvc.com> (raw)
In-Reply-To: <51976d53.0c95dc0a.60df.0745SMTPIN_ADDED_BROKEN@mx.google.com>


> 
> So, we poked up with code a bit, and wrote up a custom prioritizer,
> called sg_id. (patch for the latest multipath-tools available here:
> http://viktor.ee/multipath-tools-patches/sg_id_prio.patch)
> 
Would the existing weightedpath work for you ?

> And so we’ve played another couple of our hours with multipath-tools
> code allowing it to accept multiple prioritizers in prio
> configuration. (patch here
> http://viktor.ee/multipath-tools-patches/multiprio.patch) 
> 
> In this case, prioritizers should be separated by coma, semicolon or
> space, and the end priority would be a sum of priorities given by all
> of the specified prioritizers. (a single prioritizer value is also
> accepted of course.)
> 
> As an example:
> 
>         prio                  "sg_id, alua"
> 
>         prio_args             "prio_sg_id(default)=0
> prio_sg_id(^[0-2]:0)=100"
> 

> All comments are kindly welcome!

I personnaly find the multi-prioritizer feature interesting.

Let's hear other maintainers' comments ...

Best regards,
Christophe Varoqui
www.opensvc.com


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       reply	other threads:[~2013-05-18 13:40 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <51976d53.0c95dc0a.60df.0745SMTPIN_ADDED_BROKEN@mx.google.com>
2013-05-18 13:40 ` Christophe Varoqui [this message]
2013-05-18 21:53   ` multipath-tools: scsi_id based path priorities and multiple prioritizers Viktor Larionov
     [not found] <001301ce53be$64265b10$2c731130$@larionov@salva.ee>
2013-05-21 14:19 ` Hannes Reinecke
2013-05-18 11:54 Viktor Larionov

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