[pve-devel] Default cache mode for VM hard drives

Stanislav German-Evtushenko ginermail at gmail.com
Fri May 29 15:04:17 CEST 2015


On Fri, May 29, 2015 at 4:03 PM, Dietmar Maurer <dietmar at proxmox.com> wrote:
>
>> > So we still not understand the problem 100% :-/
>> >
>> > You mention that it only happens on some special guest OS? Did you
>> > also test different drivers (virtio, ide, scsi)?
>> >
>>
>> 1) On any guest OS (Linux or Windows) where swap is used actively
>> 2) As I remember I've seen the same issues happening for ext3
>> partitions on Linux guests (where barriers are off by default) but it
>> was quite long time ago becase all guest systems are on ext4 now
>
> what hardware driver? virtio, scsi, ide ?
>

Both ide and virtio. I have not tried scsi.


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