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From: Vitaly Kuznetsov <vkuznets@redhat.com>
To: Dexuan Cui <decui@microsoft.com>
Cc: KY Srinivasan <kys@microsoft.com>,
	Haiyang Zhang <haiyangz@microsoft.com>,
	Stephen Hemminger <sthemmin@microsoft.com>,
	"sashal\@kernel.org" <sashal@kernel.org>,
	"linux-hyperv\@vger.kernel.org" <linux-hyperv@vger.kernel.org>,
	"linux-kernel\@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Michael Kelley <mikelley@microsoft.com>
Subject: RE: [PATCH 1/3] hv_utils: Add the support of hibernation
Date: Thu, 19 Sep 2019 12:27:39 +0200	[thread overview]
Message-ID: <87ftksa8dg.fsf@vitty.brq.redhat.com> (raw)
In-Reply-To: <PU1P153MB01694ABFED7ADAE8B40A65F7BF890@PU1P153MB0169.APCP153.PROD.OUTLOOK.COM>

Dexuan Cui <decui@microsoft.com> writes:

> BTW, for vss, maybe the VM should not hibernate if there is a backup 
> ongoing? -- if the file system is frozen by hv_vss_daemon, and the VM
> hibernates, then when the VM resumes back, it's almost always true that 
> the VM won't receive the host's VSS_OP_THAW request, and the VM will
> end up in an unusable state.

Makes sense. Or, alternatively, can we postpone hibernation until after
VSS_OP_THAW?

-- 
Vitaly


  reply	other threads:[~2019-09-19 10:27 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-11 23:38 [PATCH 0/3] Enhance hv_utils to support hibernation Dexuan Cui
2019-09-11 23:38 ` [PATCH 1/3] hv_utils: Add the support of hibernation Dexuan Cui
2019-09-12 16:36   ` Vitaly Kuznetsov
2019-09-13 19:15     ` Dexuan Cui
2019-09-16  8:45       ` Vitaly Kuznetsov
2019-09-19  6:34         ` Dexuan Cui
2019-09-19 10:27           ` Vitaly Kuznetsov [this message]
2019-09-21  7:26             ` Dexuan Cui
2019-09-11 23:38 ` [PATCH 2/3] hv_utils: Support host-initiated hibernation request Dexuan Cui
2019-09-12 16:26   ` Vitaly Kuznetsov
2019-09-13 16:42     ` Dexuan Cui
2019-09-11 23:39 ` [PATCH 3/3] hv_utils: Support host-initiated restart request Dexuan Cui

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