On 07/21/2014 11:32 AM, ??? wrote: > Hi,all: > I 'm dong tests with firefly 0.80.4,I want to test the performance > with tools such as FIO,iozone?when I decided to test the rbd storage > performance with fio,I ran commands on a client node as follows: > Which kernel on the client? Can you try the trusty 3.13 kernel on the 12.04 client? Wido > rbd create img1 --size 1024 --pool data (this command went on well) > > rbd map img1 --pool data -id admin --keyring > /etc/ceph/ceph.client.admin.keyring > then unexpected thing happened,the client node crashed ,the screen > showed messages that with: > [ffffffffffffffffffffffffffff81077ae0]?flush_kthread _worker > and many other messages like that. > I have to stop the node and restart to make it work again. > > similary thing happed when I tried to mount ceph FS with kernel driver . > I ran command as follows: > mkdir /mnt/test > mount -t ceph 192.168.50.191:/ /mnt/test -o > name=admin,secret=AQATSKdNGBcwLhAAnNDKnH65FmVKpXZJVasUeQ== > the node also crashed and can't work any more ,then I had to restart the > node . > I 'm puzzled about the problem,I wonder if the problem lies in my linux > kernal or any other issues.Thanks for any help! > > my cluster are made up of one monitor ,six osds and a client. > os:ubuntu 12.04 LTS > ceph version:firefly 0.80.4 > > > yours sincerely, > ifstillfly > > > > > > > > <#> > > > _______________________________________________ > ceph-users mailing list > ceph-users at lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- Wido den Hollander 42on B.V. Ceph trainer and consultant Phone: +31 (0)20 700 9902 Skype: contact42on