Re: NFSoRDMA not working with KVM when cache disabled

2012-09-03 Thread Stefan Hajnoczi
On Fri, Aug 31, 2012 at 6:05 PM, Andrew Holway a.hol...@syseleven.de wrote: I am trying to host KVM machines on an NFSoRDMA mount. This works: -drive file=/mnt/vm001.img,if=none,id=drive-virtio-disk0,format=raw -device

Re: NFSoRDMA not working with KVM when cache disabled

2012-09-03 Thread Avi Kivity
On 08/31/2012 08:05 PM, Andrew Holway wrote: Hi, I am trying to host KVM machines on an NFSoRDMA mount. This works: -drive file=/mnt/vm001.img,if=none,id=drive-virtio-disk0,format=raw -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk0,id=virtio-disk0 This

Re: NFSoRDMA not working with KVM when cache disabled

2012-09-03 Thread Andrew Holway
and report which (if any) of the output files (x1, x2, y1, y2) are corrupted, by comparing them against the original. This will tell us whether O_DIRECT is broken, or 512 byte block size, or neither. Looks like you were directly on the money there. 512, 1K and 2K O_DIRECT looks broken.

Re: NFSoRDMA not working with KVM when cache disabled

2012-09-03 Thread Avi Kivity
On 09/03/2012 02:57 PM, Andrew Holway wrote: and report which (if any) of the output files (x1, x2, y1, y2) are corrupted, by comparing them against the original. This will tell us whether O_DIRECT is broken, or 512 byte block size, or neither. Looks like you were directly on the

[Bright Cluster Manager Support #2699] NFSoRDMA not working with KVM when cache disabled

2012-09-03 Thread Pawan Jaitly
: Request 2699 was acted upon. Transaction: Ticket created by a.hol...@syseleven.de Queue: Bright Subject: NFSoRDMA not working with KVM when cache disabled Owner: Nobody Requestors: a.hol...@syseleven.de Status: new Ticket URL: http://support.brightcomputing.com/rt/Ticket

Re: [Bright Cluster Manager Support #2699] NFSoRDMA not working with KVM when cache disabled

2012-09-02 Thread Martijn de Vries
with KVM when cache disabled Owner: Nobody Requestors: a.hol...@syseleven.de Status: new Ticket URL: http://support.brightcomputing.com/rt/Ticket/Display.html?id=2699 Hi, I am trying to host KVM machines on an NFSoRDMA mount. This works: -drive file=/mnt/vm001.img

Re: [Bright Cluster Manager Support #2699] NFSoRDMA not working with KVM when cache disabled

2012-09-01 Thread Andrew Holway
not working with KVM when cache disabled Owner: Nobody Requestors: a.hol...@syseleven.de Status: new Ticket URL: http://support.brightcomputing.com/rt/Ticket/Display.html?id=2699 Hi, I am trying to host KVM machines on an NFSoRDMA mount. This works: -drive file=/mnt

NFSoRDMA not working with KVM when cache disabled

2012-08-31 Thread Andrew Holway
Hi, I am trying to host KVM machines on an NFSoRDMA mount. This works: -drive file=/mnt/vm001.img,if=none,id=drive-virtio-disk0,format=raw -device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x5,drive=drive-virtio-disk0,id=virtio-disk0 This Doesn't! -drive

Re: NFSoRDMA not working with KVM when cache disabled

2012-08-31 Thread Andrew Holway
A bit more [installer root@vm001 ~]# dumpe2fs /dev/vda1 dumpe2fs 1.41.12 (17-May-2010) dumpe2fs: Bad magic number in super-block while trying to open /dev/vda1 Couldn't find valid filesystem superblock. [installer root@vm001 ~]# fdisk -ul Disk /dev/vda: 48.3 GB, 48318382080 bytes 255 heads,

Re: [Bright Cluster Manager Support #2699] NFSoRDMA not working with KVM when cache disabled

2012-08-31 Thread Martijn de Vries
: Request 2699 was acted upon. Transaction: Ticket created by a.hol...@syseleven.de Queue: Bright Subject: NFSoRDMA not working with KVM when cache disabled Owner: Nobody Requestors: a.hol...@syseleven.de Status: new Ticket URL: http://support.brightcomputing.com