From: Ian Campbell <ian.campbell@citrix.com>
To: Andrew Cooper <andrew.cooper3@citrix.com>
Cc: Wei Liu <wei.liu2@citrix.com>,
Yang Hongyang <yanghy@cn.fujitsu.com>,
Ian Jackson <Ian.Jackson@eu.citrix.com>,
Xen-devel <xen-devel@lists.xen.org>
Subject: Re: [PATCH 3/3] libxc/migrationv2: Split {start, end}_of_stream() to make checkpoint variants
Date: Fri, 8 May 2015 15:12:53 +0100 [thread overview]
Message-ID: <1431094373.2660.476.camel@citrix.com> (raw)
In-Reply-To: <554CC03C.5050708@citrix.com>
On Fri, 2015-05-08 at 14:55 +0100, Andrew Cooper wrote:
> On 08/05/15 14:50, Ian Campbell wrote:
> > On Fri, 2015-05-08 at 14:37 +0100, Andrew Cooper wrote:
> >> Does Remus currently function if the sending toolstack suddenly
> >> disappears out of the mix?
> > I would assume so, that's its entire purpose...
>
> But the signal to resume the domain properly involves setting
> last_checkpoint and wandering the recieve loop once more?
>
> /me goes and checks the code more carefully.
I think there's supposed to be a read timeout in there somewhere, at
which point the last checkpoint you did manage to get is the one which
is used.
(The heartbeating and detection of this stuff bit of remus was always a
bit underwhelming)
Ian.
next prev parent reply other threads:[~2015-05-08 14:12 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-08 12:54 [PATCH 0/3] Misc patches to aid migration v2 Remus support Andrew Cooper
2015-05-08 12:54 ` [PATCH 1/3] [RFC] x86/hvm: Permit HVM_PARAM_IDENT_PT to be set more than once Andrew Cooper
2015-05-08 13:46 ` Jan Beulich
2015-05-08 13:48 ` Andrew Cooper
2015-05-08 12:54 ` [PATCH 2/3] tools/libxc: Properly quote macro parameters Andrew Cooper
2015-05-08 13:00 ` Andrew Cooper
2015-05-08 15:00 ` Ian Campbell
2015-05-08 13:26 ` Ian Campbell
2015-05-08 12:54 ` [PATCH 3/3] libxc/migrationv2: Split {start, end}_of_stream() to make checkpoint variants Andrew Cooper
2015-05-08 13:30 ` Ian Campbell
2015-05-08 13:37 ` Andrew Cooper
2015-05-08 13:50 ` Ian Campbell
2015-05-08 13:55 ` Andrew Cooper
2015-05-08 14:12 ` Ian Campbell [this message]
2015-05-11 2:40 ` Hongyang Yang
2015-05-11 2:31 ` Hongyang Yang
2015-05-11 9:02 ` Andrew Cooper
2015-05-11 9:23 ` Hongyang Yang
2015-05-08 13:15 ` [PATCH 0/3] Misc patches to aid migration v2 Remus support Andrew Cooper
2015-05-11 2:43 ` Hongyang Yang
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