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There is load, because it's a production server. The load average is only 1.4 though, and hdparm can still achieve 300mb/s, so I would be surprised if load caused our fsync performance to be orders of magnitude below what I would expect. Another update, we have a data partition on another lvm...

Yes, it's ext3. We went over to reiser on our failover environment, and the performance was similarly bad.

Thanks for the reply Dietmar. The write policy is write back, and the read policy is adaptive read ahead. The battery status is 'ok'. hdparm tells us we're getting 300Mb's read (timing buffered disk reads) Strange, huh? It's a vanilla Dell Poweredge i710 with a standard Proxmox install. Any...

Hi, Our production server seems to have some Mysql performance issues since migrating to Proxmox 1.8, Kernel 2.6.32. Mysql is version 5, and we have a database with millions of records in innodb with file per table. As you can see here, our raid 5 (SAS) array is apparently not performing as...

Maybe I missed something, but if you read the whole post, you will see that Proxmox just doesn't support online migration for now. You have to wait for the mentioned bugs to be fixed in the OpenVZ kernel module. As has also been mentioned, pausing and resuming the VM to do the migration is...

I will answer my own question, as it is now clear what is going on. By default, it seems that Jboss looks for the first interface to bind to and in our case, it finds venet0, so it binds to 127.0.0.1. So we have to use the -b parameter and specify the bind address of the external interface...

The trouble is, I have installed JBoss server in a VE, and while port 8080 is listening locally, it is not open to connection from outside the VE, even from the HN. Thanks.

Hi, How do we control what ports are opened on the VE's Using the Ubuntu 8.04 appliance, I find that only ports 80 and 22 are open, and there do not seem to be any firewall rules in operation. Thanks, James

Just out of interest, I moved our cluster over to the fzakernel-2.6.18-amd64 kernel, and ran some tests. At first I got the same error trying the web based online migration, so I ran the vzmigrate command on the shell with the -v switch, and it showed Error: can't open file /dev/ptyp0 Using...

Even if I don't want KVM? I'm running on machines that don't have the VMX extensions, so it doesn't work anyway.

Ok, my mistake. Thanks for the quick reply. What about a PVE optimised 2.6.18 kernel? Is there such a thing around or has PVE always use 2.6.24? What if I installed the 2.6.18 ovz kernel on my PVE boxes? Many thanks, James

Hi, I would like to get live migration working for my OpenVZ VE's I would like to demonstrate the feasibility of using PVE in our production environment, and live migration is attractive as we have downtime SLA's in place. I am not interested in KVM for now, so I guess I could operate a...