Sijo,

Pertaining to virt-manager and virsh sluggish behaviour after a clone operation:

Thanks for your response.

Honestly I do not know what "host Storage in formations using libvirt API" means. Sorry.

I use virt-manager and virsh to do everything within KVM. If there is something better or

another product/app that will enable me to drill down into the system...let me know...

However, perhaps this can help:

We are running CentOS 6 (Update 5) 64 bit - patched as of 11 April 2014.

I create the virtual machines with the virt-install command using the --file switch and lay the system images of the vm's on the RAID5.

The RAID5 uses ext4. The I/O to that volume is nice. We currently are running twenty-six (26) VM's. There is no I/O wait. The system

has been up for thirteen (13) days. The load index (top) is between 1 and 3.

Also, I have the following kernel tweak in /etc/sysctl.conf:

vm.drop_caches = 3

NOTE: Writing to this will cause the kernel to drop clean caches, dentries and inodes from memory, causing that memory to become free;

this helps to mitigate dipping into swap.

Thanks in advance for everything,

Tom

On Thu, May 22, 2014 at 2:46 AM, Sijo Jose <mailtosijojose@gmail.com> wrote:

Hi,
Is there any way to get host OS information and host Storage in formations using libvirt API...?
Rgds
-Sijo

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