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Re: [Qemu-devel] Re: [libvirt] Re: [PATCH 2/3] Introduce monitor 'wait'
From: |
Hollis Blanchard |
Subject: |
Re: [Qemu-devel] Re: [libvirt] Re: [PATCH 2/3] Introduce monitor 'wait' command |
Date: |
Wed, 08 Apr 2009 15:28:08 -0500 |
On Wed, 2009-04-08 at 14:35 -0500, Anthony Liguori wrote:
> You're basically saying that if something isn't connected, drop them.
> If it is connected, do a monitor_printf() such that you're never queuing
> events. Entirely reasonable and I've considered it.
>
> However, I do like the idea though of QEMU queuing events for a certain
> period of time. Not everyone always has something connected to a
> monitor. I may notice that my NFS server (which runs in a VM) is not
> responding, VNC to the system, switch to the monitor, and take a look at
> the event log. If I can get the past 10 minutes of events, I may see
> something useful like a host IO failure.
"10 minutes" is the red flag for me. Why not 5 minutes? 60 minutes? 24
hours? The fact that it's so arbitrary suggests it doesn't really
belong. If you care, you can attach a logging daemon that keeps the last
10 minutes worth of data...
--
Hollis Blanchard
IBM Linux Technology Center
- [Qemu-devel] [PATCH 1/3] Allow multiple monitor devices, Anthony Liguori, 2009/04/08
- [Qemu-devel] [PATCH 3/3] Implement vm-state notifications, Anthony Liguori, 2009/04/08
- [Qemu-devel] [PATCH 2/3] Introduce monitor 'wait' command, Anthony Liguori, 2009/04/08
- [Qemu-devel] Re: [PATCH 2/3] Introduce monitor 'wait' command, Daniel P. Berrange, 2009/04/08
- [Qemu-devel] Re: [PATCH 2/3] Introduce monitor 'wait' command, Anthony Liguori, 2009/04/08
- [Qemu-devel] Re: [libvirt] Re: [PATCH 2/3] Introduce monitor 'wait' command, Gerd Hoffmann, 2009/04/08
- [Qemu-devel] Re: [libvirt] Re: [PATCH 2/3] Introduce monitor 'wait' command, Jan Kiszka, 2009/04/08
- [Qemu-devel] Re: [libvirt] Re: [PATCH 2/3] Introduce monitor 'wait' command, Anthony Liguori, 2009/04/08
- Re: [Qemu-devel] Re: [libvirt] Re: [PATCH 2/3] Introduce monitor 'wait' command, Jamie Lokier, 2009/04/08
- Re: [Qemu-devel] Re: [libvirt] Re: [PATCH 2/3] Introduce monitor 'wait' command, Anthony Liguori, 2009/04/08
- Re: [Qemu-devel] Re: [libvirt] Re: [PATCH 2/3] Introduce monitor 'wait' command,
Hollis Blanchard <=
- Re: [Qemu-devel] Re: [libvirt] Re: [PATCH 2/3] Introduce monitor 'wait' command, Anthony Liguori, 2009/04/08
- Re: [Qemu-devel] Re: [libvirt] Re: [PATCH 2/3] Introduce monitor 'wait' command, Hollis Blanchard, 2009/04/08
- Re: [Qemu-devel] Re: [libvirt] Re: [PATCH 2/3] Introduce monitor 'wait' command, Anthony Liguori, 2009/04/09
- Re: [Qemu-devel] Re: [libvirt] Re: [PATCH 2/3] Introduce monitor 'wait' command, Paul Brook, 2009/04/08
- Re: [Qemu-devel] Re: [libvirt] Re: [PATCH 2/3] Introduce monitor 'wait' command, Avi Kivity, 2009/04/09
- Re: [Qemu-devel] Re: [libvirt] Re: [PATCH 2/3] Introduce monitor 'wait' command, Anthony Liguori, 2009/04/09
- Re: [Qemu-devel] Re: [libvirt] Re: [PATCH 2/3] Introduce monitor 'wait' command, Jamie Lokier, 2009/04/09
- Re: [Qemu-devel] Re: [libvirt] Re: [PATCH 2/3] Introduce monitor 'wait' command, Zachary Amsden, 2009/04/08
- Re: [Qemu-devel] Re: [libvirt] Re: [PATCH 2/3] Introduce monitor 'wait' command, Daniel P. Berrange, 2009/04/09
- Re: [Qemu-devel] Re: [libvirt] Re: [PATCH 2/3] Introduce monitor 'wait' command, Jamie Lokier, 2009/04/09