From: Hal Rosenstock <hal-LDSdmyG8hGV8YrgS2mwiifqBs+8SCbDb@public.gmane.org>
To: Alex Netes <alexne-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Cc: hal-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org,
linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH 3/5] opensm: Better handle topology changes in the fabric
Date: Mon, 03 Feb 2014 14:42:45 -0500 [thread overview]
Message-ID: <52EFF135.7030603@dev.mellanox.co.il> (raw)
In-Reply-To: <1391425516-14462-3-git-send-email-alexne-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
On 2/3/2014 6:05 AM, Alex Netes wrote:
> The patch tries to solve the following problem:
> When newly discovered switch is rebooted during the configuration cycle,
> SM end-up setting all Initialized ports to Active, but the configuration
> on the switch such as Pkey tables, QoS, etc' might be incorrect.
>
> The fix is solves this in two steps. First, turn need_update flag when
> switch's StateChange bit is detected ON or CA's neighbor switch has
> StateChange bit ON. Second, clear StateChange bit on the switches, before
> any configuration is done. This assures that we don't miss changes in
> the fabric. If a switch was rebooted during a sweep, we will detect it
> in a sequential sweep and configure all its' neighbors from scratch.
>
> Signed-off-by: Alex Netes <alexne-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
Thanks. Applied.
-- Hal
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next prev parent reply other threads:[~2014-02-03 19:42 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-03 11:05 [PATCH 1/5] opensm/include/iba/ib_types.h: Fix shadow declaration warnings Alex Netes
[not found] ` <1391425516-14462-1-git-send-email-alexne-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-02-03 11:05 ` [PATCH 2/5] opensm: change discovery order of switch data Alex Netes
[not found] ` <1391425516-14462-2-git-send-email-alexne-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-02-03 19:42 ` Hal Rosenstock
2014-02-03 11:05 ` [PATCH 3/5] opensm: Better handle topology changes in the fabric Alex Netes
[not found] ` <1391425516-14462-3-git-send-email-alexne-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-02-03 19:42 ` Hal Rosenstock [this message]
2014-02-03 11:05 ` [PATCH 4/5] opensm/osm_port_info_rcv.c: Reread pkeys from SP0 if switch rebooted during a sweep Alex Netes
[not found] ` <1391425516-14462-4-git-send-email-alexne-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-02-03 19:42 ` Hal Rosenstock
2014-02-03 11:05 ` [PATCH 5/5] opensm: Resend LFTs/VLArb/SL2VL MADs in case of error Alex Netes
[not found] ` <1391425516-14462-5-git-send-email-alexne-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org>
2014-02-03 19:43 ` Hal Rosenstock
2014-02-04 5:54 ` Jens Domke
2014-02-03 19:42 ` [PATCH 1/5] opensm/include/iba/ib_types.h: Fix shadow declaration warnings Hal Rosenstock
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