[Gluster-users] Gluster 1.3.12 and Xen!

[William Hanwoody]

Enrico Valsecchi，您好

Did you disable directio when mounting vol in client?
try:
glusterfs -d disable -f /etc/glusterfs/client.vol  /mnt/gluster/

                                   致
礼!

在 2008年11月24日 星期一，Enrico Valsecchi 写道：
> Dear All,
>
> I'm very new Gluster FS user....
> ...and apologize for my very poor english!
>
> :-)
>
> I have installed Gluster FS v. 1.3.12 on 2 server with Debian 4.05,
> in AFR with client side replication, explained in this page:
> http://www.gluster.org/docs/index.php/Setting_up_AFR_on_two_servers_with_cl
>ient_side_replication Tested to work!
>
> :-)
>
> Now, my idea:
>
> Use a Xen Hypervisor with image disk data for DomU machines on Gluster
> FS repository
>
> In my Gluster FS client machine (based on Centos 5.2), I have create
> a DomU machine with image file stored in local disk
> (/var/lib/xen/images/), Called "Debian4"
> O.K., start and finish installation without problems!
>
> Now, I have moved image file from /val/lib/xen/images/ to my GlusterFS
> directory (/mnt/glusterfs/)
>
> O.k., checked that image file, I'm go to modify DomU configuration wit
> new image disk path....
>
> First setting:
> disk = [ 'file:/mnt/glusterfs/debian40.img,hda1,w' ]
>
> Start DomU, I retry this error:
> xend.err 'Device 768 (vbd) could not be connected. losetup /dev/loop0
> /mnt/glusterfs/debian40.img failed'
> Into log explained error is:
> domid: 22
> qemu: the number of cpus is 1
> Watching /local/domain/22/logdirty/next-active
> xs_read(): vncpasswd get error.
> /vm/353e360e-bcdd-f237-595e-85013704aad7/vncpasswd.
> char device redirected to /dev/pts/4
> qemu_map_cache_init nr_buckets = 10000
> shared page at pfn 1ffff
> buffered io page at pfn 1fffd
> xs_read(/vm/353e360e-bcdd-f237-595e-85013704aad7/rtc/timeoffset): read
> error I/O request not ready: 0, ptr: 0, port: 0, data: 0, count: 0, size: 0
> Triggered log-dirty buffer switch
>
> Second setting:
> disk = [ 'tap:aio:/mnt/glusterfs/debian40.img,hda1,w' ]
> Machine start and stop
>
> Into log explained error is:
> qemu: could not open hard disk image
> 'aio:/mnt/glusterfs/debian40-dnsldap.img'
> Watching /local/domain/21/logdirty/next-active
> xs_read(): vncpasswd get error.
> /vm/353e360e-bcdd-f237-595e-85013704aad7/vncpasswd.
> char device redirected to /dev/pts/4
> qemu_map_cache_init nr_buckets = 10000
> shared page at pfn 1ffff
> buffered io page at pfn 1fffd
> xs_read(/vm/353e360e-bcdd-f237-595e-85013704aad7/rtc/timeoffset): read
> error I/O request not ready: 0, ptr: 0, port: 0, data: 0, count: 0, size: 0
> Triggered log-dirty buffer switch
>
> O.k., people have a solution?
>
> Many Thanks,
>
> Enrico Valsecchi
>
> _______________________________________________
> Gluster-users mailing list
> Gluster-users at gluster.org
> http://zresearch.com/cgi-bin/mailman/listinfo/gluster-users