On Tue, 02/23 09:04, Benoit wrote: > You read in my head ;) > I thought about this yesterday and tested them and got the same > result !! It is like as soon as a disk is coming from virtualized > host I got the issue... > I also had the idea to create a partition instead of a raw image and > got the same issue
This indeed makes the application suspicious. Do you see any other errors beside that application in question? (A way to valiate the virtual disk is using a storage tester such as HDTune or iometer.) Fam > > On 02/23/2016 02:28 AM, Fam Zheng wrote: > >On Mon, 02/22 16:36, Benoit wrote: > >>Thanks Fam > >>No error on my guest / host > >>Disk usage in Explorer is exactly what it supposed to be this is > >>where it is strange... > >Does your application work well on other storage types, like virtio-scsi or > >ide? > > > >Fam > > > >>On 02/17/2016 02:14 AM, Fam Zheng wrote: > >>>On Tue, 02/16 20:41, Benoit wrote: > >>>>Hi, > >>>> > >>>>-virtio-win-0.1.102.iso > >>>>-host archlinux / qemu 2.4.1 / kvm > >>>>-guest windows 7 pro x64 > >>>>-qemu-img create -f raw en_x64_windows_7_ipc2_storage_75 75G > >>>> > >>>>-drive > >>>>file=/srv/qemu/vm/en_x64_windows_7_ipc2_storage_75,if=virtio,cache=none,format=raw,discard=unmap > >>>> > >>>> > >>>>My D: drive (74GB) has 2x 32GB files used for a program to store data. > >>>> > >>>>I realized that my product starts doing FIFO (erasing old data to be > >>>>able to write fresh data) as soon as the space used is more than > >>>>4GB. It is like I got the same limitation than a FAT drive, my > >>>>product detects that the disk is full as soon as more than 4GB are > >>>>used on the disk. > >>>Any error message in guest/host? What does Windows Expolorer say about the > >>>disk usage? > >>> > >>>Fam >
