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  1. Tweaking VZDump with Ceph Backend

    I've actually read just about everything that Mr. Han has written so far. Many of his tweaks and hints are what led to the performance we can get out of ceph today. Allow me to clarify the issue further: When vzdump runs a backup of a running VM, it uses qemu directly, and through it, the...
  2. Tweaking VZDump with Ceph Backend

    Yeah, you got it. I have multiple storage options that I've been using for testing. The specific hardware I listed in the original post is what is running the cloud, or at least what was intended for that purpose. In the process of testing ceph, I have also tested various other possible...
  3. Tweaking VZDump with Ceph Backend

    Yes, jumbo frames are configured and in use on all devices. Using flat file testing, I can hit the limit of the test NFS server's storage write IO (about 255MB/s on a good day) before I hit the max speed of the network (12.5 GB/s on the ceph nodes, and 5GB/s on the proxmox nodes). I've seen as...
  4. Tweaking VZDump with Ceph Backend

    mir, I saw this post this morning and have been testing using this option. It "appears" that vzdump ignore this when running against KVM VMs, as opposed to VZ containers like in your example. This is the new setup with 10Gbe and ceph -> 2 -> 10Gbe NFS: root@Cloud01:/etc# vzdump 1062 --remove...
  5. Tweaking VZDump with Ceph Backend

    Ok, lets start off with some background. We have been using Proxmox since v 1.x, and quite successfully I might add. We've been happy with the performance, useability, features, the whole 9 yards. Our Current "production" setup: 11 Nodes total 6x Nodes = 2x16-Core AMD Opteron w/ 256GB of memory...

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