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

[Avi Kivity <avi@qumranet.com>]

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.

-- 
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