On Thu, Sep 04, 2014 at 05:56:53AM -0700, Sanjay Kumar2 wrote: > Output of hdparam is below. Also let me know does network based protocol > supports 'qcow2' format. As my block driver is network based. It is perfectly > working for raw format. When I change the type='qcow2', then it is not > working because bdrv_get_geometry() is returning 0. This I am talking about > qemu-kvm-0.12.1.2. > > [root@localhost ~]# hdparm -I /dev/sda > > /dev/sda: > SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 00 0a 00 00 00 00 20 > 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 > > ATA device, with non-removable media > Standards: > Likely used: 1 > Configuration: > Logical max current > cylinders 0 0 > heads 0 0 > sectors/track 0 0 > -- > Logical/Physical Sector size: 512 bytes > device size with M = 1024*1024: 0 MBytes > device size with M = 1000*1000: 0 MBytes > cache/buffer size = unknown
I guess you are asking why hdparm reports 0 MB size? Please post the qemu command-line (ps aux | grep qemu) so we know how the guest is configured. qcow2 works on non-file protocols (e.g. network). Please keep discussion in this email thread and don't post comments about this on my blog. Stefan
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