[dm-devel] [PATCH 1/2] multipath-tools: change default failback from manual to immediate

[Hannes Reinecke]

On 07/11/2016 11:12 PM, Xose Vazquez Perez wrote:
> Default value is: manual
>       1                 .pgfailback    = 15,
>       2                 .pgfailback    = 30,
>      24                 .pgfailback    = FAILBACK_UNDEF,
>      50                 .pgfailback    = -FAILBACK_IMMEDIATE,
> 
> manual is not used by any device.
> 
> Cc: Christophe Varoqui <christophe.varoqui at opensvc.com>
> Cc: device-mapper development <dm-devel at redhat.com>
> Signed-off-by: Xose Vazquez Perez <xose.vazquez at gmail.com>
> ---
>  libmultipath/defaults.h    |  2 +-
>  libmultipath/hwtable.c     | 50 ----------------------------------------------
>  multipath/multipath.conf.5 |  2 +-
>  3 files changed, 2 insertions(+), 52 deletions(-)
> 
Please revert.

'immediate' fallback only makes sense if the device has a working
prioritizer _and_ supports a 'preferred path'.
None of which can be assumed for an unknown device, so this patch
will break automatic configuration.

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare at suse.de			               +49 911 74053 688
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