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Re: [Qemu-devel] Crash: When Host HDD is full

From: Avi Kivity
Subject: Re: [Qemu-devel] Crash: When Host HDD is full
Date: Thu, 12 Jul 2007 19:12:58 +0300
User-agent: Thunderbird (X11/20070419)

Mike Swanson wrote:
On Wednesday 11 July 2007 08:19:48 Alexey Eremenko wrote:
Problem 1:
When Host HDD is full, all guests simply crash. Tried with dynamically
growing .VMDK hard disk.

It shouldn't happen. For example, both VirtualPC and VirtualBox pause
all VMs, and gray their displays when something like that happens.

IMO, it's a non-issue; you probably shouldn't be letting your filesystems to become full in the first place, much less running VMs on it.

Well, he shouldn't, but neither should qemu crash or corrupt data.

Besides, most filesystems reserve some space for the superuser, now unless there's a cross-platform way to figure out just how much space that is, you'd still be getting errors despite having 5~10% of the filesystem technically free.

Qemu might freeze the guest when it gets -ENOSPC, and say, retry every second or wait for user input on the monitor.

error compiling committee.c: too many arguments to function

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