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Re: [dm-devel] [PATCH] IBM hwtable update



Hi Christophe, Hannes,

I thought I had already sent parts of these but they don't seem to be in 
the git head when
I look now. I'd suggest a small change for the DS6000 aka 1750500. Since 
paths with
higher prio are more appreciated, wouldn'T FAILBACK_IMMEDIATE make more 
sense?

Regards,
Stefan

SW Linux on zSeries Development & Services
Stefan Bader de ibm com
----------------------------------------------------------------------------------
  When all other means of communication fail, try words.

dm-devel-bounces redhat com wrote on 07.12.2005 12:11:23:

> Hi Christophe,
> 
> attached is a patch to update hwtable.c with some IBM Storage Servers.
> Especially the DS6000 should be handled properly as it again has
> asymmetric paths.
> 
> Cheers,
> 
> Hannes
> -- 
> Dr. Hannes Reinecke         hare suse de
> SuSE Linux Products GmbH      S390 & zSeries
> Maxfeldstraße 5            +49 911 74053 688
> 90409 Nürnberg            http://www.suse.de
> Subject: Hardware entries for IBM Storage Servers
> 
> Several IBM Storage Servers (most notably the DS range) need
> specific hardware entries. This patch adds hardware entries
> for:
> 
> - IBM ESS F20 (aka Shark)
> - IBM DS6000
> - IBM DS8000
> - IBM SVC
> 
> Signed-off-by: Hannes Reinecke <hare suse de>
> 
> ---
> 
>  libmultipath/hwtable.c |   14 ++++++++++++++
>  1 files changed, 14 insertions(+), 0 deletions(-)
> 
> diff --git a/libmultipath/hwtable.c b/libmultipath/hwtable.c
> --- a/libmultipath/hwtable.c
> +++ b/libmultipath/hwtable.c
> @@ -39,6 +39,20 @@ setup_default_hwtable (vector hw)
>           "1 queue_if_no_path", "emc_clariion", -FAILBACK_IMMEDIATE);
>     r += store_hwe_ext(hw, "IBM", "3542", GROUP_BY_SERIAL, 
DEFAULT_GETUID,
>           NULL, "0", "0", "tur", FAILBACK_UNDEF);
> +   /* IBM ESS F20 aka Shark */
> +   r += store_hwe_ext(hw, "IBM", "2105F20", GROUP_BY_SERIAL,
> +         DEFAULT_GETUID, NULL, "0", "1 queue_if_no_path",
> +         "tur", FAILBACK_UNDEF);
> +       /* IBM DS6000 */
> +   r += store_hwe_ext(hw, "IBM", "1750500", GROUP_BY_PRIO, 
DEFAULT_GETUID,
> +         "/sbin/mpath_prio_alua /dev/%n", "0", "1 queue_if_no_path",
> +         "tur", FAILBACK_UNDEF);
> +   /* IBM DS8000 */
> +   r += store_hwe_ext(hw, "IBM", "2107900", GROUP_BY_SERIAL, 
DEFAULT_GETUID,
> +         NULL, "0", "1 queue_if_no_path", "tur", FAILBACK_UNDEF);
> +   /* IBM SAN Volume Controller */
> +   r += store_hwe_ext(hw, "IBM", "2145", MULTIBUS, DEFAULT_GETUID,
> +         NULL, "0", "1 queue_if_no_path", "tur", FAILBACK_UNDEF);
>     r += store_hwe_ext(hw, "NETAPP", "LUN", GROUP_BY_PRIO, 
DEFAULT_GETUID,
>          "/sbin/mpath_prio_netapp /dev/%n", NULL,
>          "1 queue_if_no_path", "readsector0", FAILBACK_UNDEF);
> --
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> https://www.redhat.com/mailman/listinfo/dm-devel


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