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1613 discussions

Would a hardware TRNG benefit VMs?
by Digimer 17 Jul '13

17 Jul '13

Hi all, I've been curious about using hardware true random number generators in my VM clusters. This got me wondering about the VM's /dev/random source... If I setup a hardware TRNG on the host, would the VM's also benefit from it? Thanks! -- Digimer Papers and Projects: https://alteeve.ca/w/ What if the cure for cancer is trapped in the mind of a person without access to education?

5 9

No eth0 in dom0 after installing xen
by Mark Nejedlo 16 Jul '13

16 Jul '13

I've just installed CentOS 6.4 an Xen on a new system, and eth0 is not found on dom0 when booting into Xen. When I boot into the 2.6.32 kernel outside Xen my network interface is found, using the e1000e driver. If I boot into Xen eth0 is not found, even if I modprobe the e1000e driver by hand. My NIC is an Intel I217-V. Any suggestions for things I can do to get my network working inside Xen? Thanks, Mark

2 3

Xapi packages in CentOS xen-c6 repo: first steps
by Mike McClurg 08 Jul '13

08 Jul '13

Hi list, Dave Scott has been working on a prototype of XenServer's Xapi running on stock CentOS 6.4 x86_64, with libvirt and ceph integration. He plans to demo this at the CentOS dojo in Aldershot next week. We'll be publishing the RPMs for this in a public Yum repo, and we would really like for these RPMs to eventually live in the xen-c6 repo. I was wondering what are the steps for making this happen, and also if it would be possible to make this happen before the dojo next Friday (12 July). We can provide a public Yum repository with these SRPMS and RPMS, if that would help. Thanks, Mike

5 5

KVM virtual machine and SAN storage with FC
by denis bahati 06 Jul '13

06 Jul '13

Hi Team, Is there any body got any experience on setting up a virtualized environment in which the vm's can access a fiber channel SAN storage connected to host? the host access the SAN through its own HBA, but the hba is not recognized inside the virtual machines. Please let me know the step to go through this. Regards

5 8

a question
by mattias 03 Jul '13

03 Jul '13

i could not figure out a better topic but i converted a qcow2 image to raw and tryed to use the old qcow2 file again but no bootable device the image worked perfectly before i converted it ...................???????

2 2

Xen on CentOS 6.4
by Luke S. Crawford 21 Jun '13

21 Jun '13

I heard talk of a centos-supported xen dom0 for CentOS 6.4, but I haven't heard talk of such a thing lately, and I haven't seen where to download it, which could just be me being stupid.

13 18

qemu-img resize
by aurfalien 13 Jun '13

13 Jun '13

Hi, I've been using qemu-img resize for a few days now, seems fine. But if I du the VMs image file, it still shows the size before resizing. Inside that VM, the new size shows correctly. Is qemu-img resize the right tool for this? Once I qemu-img resize, I then use various fdisk/ LVM tools, etc... to resize within the VM just incase you all were wondering. - aurf

2 2

Re: [CentOS-virt] Looking for Instance backed Centos 6 x86_64 images
by Asit Kharshikar 09 Jun '13

09 Jun '13

Thanks Karanbir! That should work - Asit > I am in the process of rehashing the entire AMI set for CentOS. Look for > an announcement this Friday with AMI details. > > Also, it should be possible to copy instance backed images across > regions ( or so I was told ) - and therefore the plan is to only release > to us-east and let everyone copy them over to whatever region they need, > when they need them. Does that sound reasonable ? - KB

1 1

qemu-img resize run on live VM
by aurfalien 09 Jun '13

09 Jun '13

Hi, I ran gemu-img on a VM thinking it was down but in fact it was live. I rebooted the VM and it does show the added space after running pv/lv etc to resize the disk, also the KVM server if you will, also shows the correct new size of that particular VMs raw file via du. However the virtual machine manager still shows the disk size of that VM as being before the resize. Is there a way that I can fix this? Is this a benign discrepancy? Thanks in advance, - aurf

2 1

Looking for Instance backed Centos 6 x86_64 images
by Asit Kharshikar 05 Jun '13

05 Jun '13

Hello Folks, I am looking for official centos 6 x86_64 AMI's for the Singapore region. I found an ebs backed Centos image from http://wiki.centos.org/Cloud/AWS (ami-3e22616c) in the market place <https://aws.amazon.com/marketplace/ordering/ref=dtl_psb_continue?ie=UTF8&pr oductId=adc4348e-1dc3-41df-b833-e86ba57a33d6&region=ap-southeast-1> . However I am unable to find corresponding instance backed images. Can you help point me in the right direction for this? Thanks in advance for your help! - Asit

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