From: Wendy Cheng <wcheng@redhat.com>
To: cluster-devel.redhat.com
Subject: [Cluster-devel] Re: [PATCH 1/2] NLM failover unlock commands
Date: Fri, 18 Jan 2008 09:56:38 -0500 [thread overview]
Message-ID: <4790BE26.30304@redhat.com> (raw)
In-Reply-To: <20080118100308.GA26106@janus>
Frank van Maarseveen wrote:
>
>> - We want to be able to move an export to a node with an already
>> active nfs server. Currently that requires restarting all of
>> nfsd on the target node. This is what I understand your next
>> patch fixes.
>>
>
> Maybe a silly question but what about using "exportfs -r" for this?
>
/me prays we won't go back to our *old* export failover proposal (about
two years ago) :) ...
Anyway, re-export is part of the required steps that take-over server
needs to do. It, however, doesn't handle lockd grace period so we will
have the possibility that other client will steal the locks away. That's
why Bruce and I are working on the second "resume" patch at this moment.
-- Wendy
WARNING: multiple messages have this Message-ID (diff)
From: Wendy Cheng <wcheng@redhat.com>
To: Frank van Maarseveen <frankvm@frankvm.com>
Cc: "J. Bruce Fields" <bfields@fieldses.org>,
Neil Brown <neilb@suse.de>, Christoph Hellwig <hch@infradead.org>,
NFS list <linux-nfs@vger.kernel.org>,
cluster-devel@redhat.com
Subject: Re: [PATCH 1/2] NLM failover unlock commands
Date: Fri, 18 Jan 2008 09:56:38 -0500 [thread overview]
Message-ID: <4790BE26.30304@redhat.com> (raw)
In-Reply-To: <20080118100308.GA26106@janus>
Frank van Maarseveen wrote:
>
>> - We want to be able to move an export to a node with an already
>> active nfs server. Currently that requires restarting all of
>> nfsd on the target node. This is what I understand your next
>> patch fixes.
>>
>
> Maybe a silly question but what about using "exportfs -r" for this?
>
/me prays we won't go back to our *old* export failover proposal (about
two years ago) :) ...
Anyway, re-export is part of the required steps that take-over server
needs to do. It, however, doesn't handle lockd grace period so we will
have the possibility that other client will steal the locks away. That's
why Bruce and I are working on the second "resume" patch at this moment.
-- Wendy
next prev parent reply other threads:[~2008-01-18 14:56 UTC|newest]
Thread overview: 117+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-07 5:39 [Cluster-devel] [PATCH 1/2] NLM failover unlock commands Wendy Cheng
2008-01-07 5:39 ` Wendy Cheng
[not found] ` <message from Wendy Cheng on Monday January 7>
2008-01-08 5:18 ` [Cluster-devel] " Neil Brown
2008-01-08 5:18 ` Neil Brown
2008-01-09 2:51 ` [Cluster-devel] " Wendy Cheng
2008-01-09 2:51 ` Wendy Cheng
2008-01-08 5:31 ` [Cluster-devel] Re: [PATCH 2/2] Fix lockd panic Neil Brown
2008-01-08 5:31 ` Neil Brown
2008-01-09 3:02 ` [Cluster-devel] " Wendy Cheng
2008-01-09 3:02 ` Wendy Cheng
2008-01-09 4:43 ` [Cluster-devel] " Wendy Cheng
2008-01-09 4:43 ` Wendy Cheng
2008-01-09 23:33 ` [Cluster-devel] " Wendy Cheng
2008-01-09 23:33 ` Wendy Cheng
2008-01-12 6:51 ` [Cluster-devel] " Wendy Cheng
2008-01-12 6:51 ` Wendy Cheng
2008-01-08 17:02 ` [Cluster-devel] Re: [PATCH 1/2] NLM failover unlock commands Christoph Hellwig
2008-01-08 17:02 ` Christoph Hellwig
2008-01-08 17:49 ` [Cluster-devel] " Christoph Hellwig
2008-01-08 17:49 ` Christoph Hellwig
2008-01-08 20:57 ` [Cluster-devel] " Wendy Cheng
2008-01-08 20:57 ` Wendy Cheng
2008-01-09 18:02 ` [Cluster-devel] " Christoph Hellwig
2008-01-09 18:02 ` Christoph Hellwig
2008-01-10 7:59 ` [Cluster-devel] " Christoph Hellwig
2008-01-10 7:59 ` Christoph Hellwig
2008-01-12 7:03 ` [Cluster-devel] " Wendy Cheng
2008-01-12 7:03 ` Wendy Cheng
2008-01-12 9:38 ` [Cluster-devel] " Christoph Hellwig
2008-01-12 9:38 ` Christoph Hellwig
2008-01-14 23:07 ` [Cluster-devel] " J. Bruce Fields
2008-01-14 23:07 ` J. Bruce Fields
[not found] ` <message from J. Bruce Fields on Monday January 14>
2008-01-14 23:31 ` [Cluster-devel] " Neil Brown
2008-01-14 23:31 ` Neil Brown
[not found] ` <18315.61638.14133.308991-wvvUuzkyo1EYVZTmpyfIwg@public.gmane.org>
2008-01-15 16:38 ` Chuck Lever
2008-01-22 22:53 ` [Cluster-devel] " J. Bruce Fields
2008-01-22 22:53 ` J. Bruce Fields
[not found] ` <message from J. Bruce Fields on Tuesday January 22>
2008-01-24 4:02 ` [Cluster-devel] " Neil Brown
2008-01-24 4:02 ` Neil Brown
2008-01-15 16:14 ` [Cluster-devel] " Wendy Cheng
2008-01-15 16:14 ` Wendy Cheng
2008-01-15 16:30 ` [Cluster-devel] " J. Bruce Fields
2008-01-15 16:30 ` J. Bruce Fields
[not found] ` <message from Wendy Cheng on Saturday January 12>
2008-01-14 23:52 ` [Cluster-devel] " Neil Brown
2008-01-14 23:52 ` Neil Brown
2008-01-15 20:17 ` [Cluster-devel] " Wendy Cheng
2008-01-15 20:17 ` Wendy Cheng
[not found] ` <message from Wendy Cheng on Tuesday January 15>
2008-01-15 20:50 ` [Cluster-devel] " Neil Brown
2008-01-15 20:50 ` Neil Brown
2008-01-15 20:56 ` [Cluster-devel] " Wendy Cheng
2008-01-15 20:56 ` Wendy Cheng
2008-01-15 22:48 ` [Cluster-devel] " Wendy Cheng
2008-01-15 22:48 ` Wendy Cheng
2008-01-17 15:10 ` [Cluster-devel] " J. Bruce Fields
2008-01-17 15:10 ` J. Bruce Fields
2008-01-17 15:48 ` [Cluster-devel] " Wendy Cheng
2008-01-17 15:48 ` Wendy Cheng
2008-01-17 16:08 ` [Cluster-devel] " Wendy Cheng
2008-01-17 16:08 ` Wendy Cheng
2008-01-17 16:10 ` [Cluster-devel] " Wendy Cheng
2008-01-17 16:10 ` Wendy Cheng
2008-01-18 10:21 ` [Cluster-devel] " Frank van Maarseveen
2008-01-18 10:21 ` Frank van Maarseveen
2008-01-18 15:00 ` [Cluster-devel] " Wendy Cheng
2008-01-18 15:00 ` Wendy Cheng
2008-01-17 16:14 ` [Cluster-devel] " J. Bruce Fields
2008-01-17 16:14 ` J. Bruce Fields
2008-01-17 16:17 ` [Cluster-devel] " Wendy Cheng
2008-01-17 16:17 ` Wendy Cheng
2008-01-17 16:21 ` [Cluster-devel] " J. Bruce Fields
2008-01-17 16:21 ` J. Bruce Fields
2008-01-17 16:31 ` [Cluster-devel] " J. Bruce Fields
2008-01-17 16:31 ` J. Bruce Fields
2008-01-17 16:31 ` [Cluster-devel] " Wendy Cheng
2008-01-17 16:31 ` Wendy Cheng
2008-01-17 16:40 ` [Cluster-devel] " J. Bruce Fields
2008-01-17 16:40 ` J. Bruce Fields
2008-01-17 17:35 ` Frank Filz
2008-01-17 17:59 ` [Cluster-devel] " Wendy Cheng
2008-01-17 17:59 ` Wendy Cheng
2008-01-17 18:07 ` [Cluster-devel] " Wendy Cheng
2008-01-17 18:07 ` Wendy Cheng
2008-01-17 20:23 ` [Cluster-devel] " J. Bruce Fields
2008-01-17 20:23 ` J. Bruce Fields
2008-01-18 10:03 ` [Cluster-devel] " Frank van Maarseveen
2008-01-18 10:03 ` Frank van Maarseveen
2008-01-18 14:56 ` Wendy Cheng [this message]
2008-01-18 14:56 ` Wendy Cheng
2008-01-24 16:00 ` [Cluster-devel] " J. Bruce Fields
2008-01-24 16:00 ` J. Bruce Fields
2008-01-24 16:19 ` Peter Staubach
2008-01-24 16:39 ` [Cluster-devel] " J. Bruce Fields
2008-01-24 16:39 ` J. Bruce Fields
2008-01-24 19:45 ` [Cluster-devel] " Wendy Cheng
2008-01-24 19:45 ` Wendy Cheng
2008-01-24 20:19 ` [Cluster-devel] " J. Bruce Fields
2008-01-24 20:19 ` J. Bruce Fields
2008-01-24 21:06 ` [Cluster-devel] " Wendy Cheng
2008-01-24 21:06 ` Wendy Cheng
2008-01-24 21:40 ` [Cluster-devel] " J. Bruce Fields
2008-01-24 21:40 ` J. Bruce Fields
2008-01-24 21:49 ` [Cluster-devel] " Wendy Cheng
2008-01-24 21:49 ` Wendy Cheng
2008-01-28 3:46 ` [Cluster-devel] " Felix Blyakher
2008-01-28 3:46 ` Felix Blyakher
2008-01-28 15:56 ` [Cluster-devel] " Wendy Cheng
2008-01-28 15:56 ` Wendy Cheng
2008-01-28 17:06 ` [Cluster-devel] " Felix Blyakher
2008-01-28 17:06 ` Felix Blyakher
2008-01-16 4:19 ` Neil Brown
2008-01-16 4:19 ` Neil Brown
2008-01-09 3:49 ` [Cluster-devel] " Wendy Cheng
2008-01-09 3:49 ` Wendy Cheng
2008-01-09 16:13 ` [Cluster-devel] " J. Bruce Fields
2008-01-09 16:13 ` J. Bruce Fields
-- strict thread matches above, loose matches on Subject: below --
2008-01-07 5:53 [Cluster-devel] [PATCH 2/2] Fix lockd panic Wendy Cheng
2008-01-07 5:53 ` Wendy Cheng
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