Re: Max Number of VMs per Host

Hello, As you know, the number of Virtual Machines per host depends on available resources (CPU, RAM, Disk), as well as the demands of the image. As a general guide, I have found the following to be reasonable. Other admins, please share your opinions. For a single VM host with 12 virtual CPU

Rocks HPC and VCL

Hello, Has anyone tried to deploy a rocks-based HPC with vcl ? Rocks front end uses its own dhcp server to deploy its compute nodes. Will they interfere with the management node's dhcp, or other VCL functions ? Thanks, Al Quiros

Local and NFS VM Profiles

Hello, I have several VM servers using local storage. They are in use with several images stored on the management node. I want to add a few more VM servers with NFS storage. After adding them and setting the VM profile to Network storage, I cannot seem to reload my existing images from the

reservation time out prevention

Hello, Is there a setting where I don't need to click the Connect button on reservations ? I want to prevent a reservation from timing out if I am too late to click the connect button to confirm the reservation in use. Perhaps get it to go to inuse immediately after reload, instead of it being

Persistent Images

Hello, Is there a way to specify an always persistent image on certain reservations ? I know to select Create/Update Image under Manage Images, but is there some way to say Every time THIS image is selected, make it persistent ? I want to create a group of always persistent images and

HPC cluster setup

Hello, Now that I have VCL working to provide single virtual machines, how do I setup a cluster of machines in VCL ? How do I setup the situation where a user can reserve a small cluster out of a group of resources (a head node and child compute nodes) ? Thanks, Al Quiros

Timed out reservations

Hello, Is there an easy way to end timed out reservations ? Once the reservations time out, the buttons to end or edit them disappear. Thanks, Al Quiros

Re: Xcat image capture issues

On Wednesday, March 14, 2012 at 15:37 , Evelio Quiros wrote: Hello again, Dimitri, thanks for the advice. I have a question about these commands. Below, you wrote nodeset d6100a image, But there is no image argument for nodeset. Here is the man page: nodeset [-h|--help|-v|--version

Re: Xcat image capture issues

or x86_64 in /install/image/ and /tftpboot/xcat/image/, ie: $ ls -l x86 x86_64 - x86 Thanks. On Mar 15, 2012, at 9:56 , Evelio Quiros wrote: Thanks Dmitri, In following this article, I get to the bottom of the page, where I put in the 3 files needed for a stateless image. I place the 3

Re: Permanent reservations ?

. Josh On Wednesday, March 14, 2012 1:22:23 PM Evelio Quiros wrote: Hello, How do you setup reservations so that they never end, until the user decides to end them ? I have setup an image that does not check the the user login, and I increased the reservation time to 8640 minutes (6 days

Re: Xcat image capture issues

to capture bare-metal image. VCL uses 'nodeset node image' and 'nodeset node install' commands, so it's good idea to make them work before using VCL. Thanks. On Mar 13, 2012, at 16:11 , Evelio Quiros wrote: Hello Again, After trying again to capture a running image on a bare metal node, I get

Xcat image capture issues

Hello, After working a while with VmWare images, we have started experimenting with Xcat bare metal images. To accommodate the added level of complexity with Xcat, I created a separate development environment with VCL and some dell 6100 high density nodes. I have installed RHEL 6.1 with Xcat

Shibboleth Authentication in VCL

Hello, We are trying to configure Shibboleth for VCL. We have gotten to the point where a user is able to log in successfully, so the $_SERVER values are ok, but it does not add the new user into the database. Doing a search for that username shows nothing, even though we were able to login

Re: Shibboleth Authentication in VCL

? Josh On Thursday 23 February 2012 7:06:40 PM Evelio Quiros wrote: Hello, We are trying to configure Shibboleth for VCL. We have gotten to the point where a user is able to log in successfully, so the $_SERVER values are ok, but it does not add the new user into the database. Doing a search

Re: Shibboleth Authentication in VCL

for any affiliations logging in with Shibboleth? Josh On Thursday 23 February 2012 7:06:40 PM Evelio Quiros wrote: Hello, We are trying to configure Shibboleth for VCL. We have gotten to the point where a user is able to log in successfully, so the $_SERVER values are ok, but it does not add

Occasional Reservation Failures Performance Tuning

Hello, We have a small VCL system serving 200 images on 8 VMware servers. Our system seems to operate pretty well, except that we occasionally get reservation failures. The servers (web, mgt, db) do not appear overloaded, max at about 10% utilization. Out of about 200 reservations (roughly

Re: Resource Group Error

Thanks ! Al Q On 1/3/12 11:36 AM, Dmitri Chebotarov dcheb...@gmu.edu wrote: Al Take at look at https://issues.apache.org/jira/browse/VCL-456 You need to add $groupwasnone = 0; line to groups.php. Thanks. On Jan 3, 2012, at 11:28 , Evelio Quiros wrote: Hello, I am getting this error

Re: Capturing Windows 2003 Server Image

request.state to 16 and the normal running vcld process will restart the capture. -Andy On Tue, Dec 27, 2011 at 3:11 PM, Evelio Quiros evq...@fiu.edu wrote: Hello, Happy New Year to you all. I am having trouble capturing a Windows 2003 Server image. I setup Windows 2003 on the VM server

Capturing Windows 2003 Server Image

Hello, Happy New Year to you all. I am having trouble capturing a Windows 2003 Server image. I setup Windows 2003 on the VM server and installed and configured Cygwin. I setup the gen-keys, and my Management node can SSH to the server fine without a password. When I tried to capture the new

Re: Images and Connections

Hello everybody, I was able to solve the problem with the SSH session closing immediately. The issue was SELINUX. There was no security profile for the newly created user on the VCL image, so SELINUX closed the session. Just disabling SELINUX on the base image solved the issue. Thanks again

Image Creation from Base Image

Hello, I was able to successfully capture a base image. I have added the image to the image group. However, when I try to make a reservation, or create a new image, It eventually fails. I watch the VM server and see that a new VM was started. It does start a new VM with the correct MAC addresses,

Images and Connections

Hello, First of all, thanks for all your help so far. I have been able to create a base image, and create new images based on that. The trouble that I am having now is that when I try to connect to the newly created Linux image, the SSH session closes immediately. When I connect to that image

Re: Base Image creation - problems - PLEASE HELP

cut off access over the private network. Aaron -- Aaron Coburn Systems Administrator and Programmer Academic Technology Services, Amherst College (413) 542-5451 acob...@amherst.edumailto:acob...@amherst.edu On Nov 2, 2011, at 4:09 PM, Evelio Quiros wrote: Hello, Ok, I'm stumped. I continue

Base Image creation - problems - PLEASE HELP

Hello, Ok, I'm stumped. I continue to have issues creating a base image on our vcl setup. Here is my info: I have a single server running web, management node, and database. It has two interfaces, one on our private network, another on our public net. I have a single Vmware server, also with

Re: Base Image creation error - VMware host config

an error message, I could probably tell you what is not configured correctly. Josh On Tuesday October 25, 2011, Evelio Quiros wrote: Yes, that was done. The server is set to vmhostinuse. In the Manage Virtual Hosts page, none of the buttons seem to do anything. In troubleshooting this, I did set

vcld setup error

Hello, I am working on the initial vcld setup. This is what we get when we run vcld —setup: [root@vcltst bin]# ./vcld --setup VCL Management Node Setup Select a module to configure: [vcld] Make a selection (1, 'c' to