1
vote
1answer
48 views

Install xenserver on iscsi target

Is is know that Xen Server is based on CentOS, and it is fact that CentOS can be installed on an ISCSI target flawlessly, but I wanted to install Xen server on an ISCSI target I couldn't find a way. ...
2
votes
1answer
173 views

SAN: is it better to have separate LUNs for operating system and data of virtual machines? [closed]

We have an iSCSI SAN that will be used as backing store for virtual machines. We use Xen and will directly present the LUNs as block devices of VMs (so there is no file system with files on it for ...
1
vote
1answer
206 views

Xen: iSCSI initiator in dom0 VS in domU with BCM5709 ethernet cards

In the future we'll move from local storage for our VMs to an iSCSI-based solution. Our server vendor supports Broadcom NetXtreme II 5709 cards with dual gigabit ports and TOE + iSCSI acceleration. ...
0
votes
1answer
519 views

LinuxHA cluster, advice needed regarding shared storage

I'm setting up a two-node Heartbeat+Pacemaker cluster to run Xen domUs in a fail-over and live-migrate type environment. Storage is a LUN on an (EqualLogic) iSCSI SAN device. I initially wanted to ...
4
votes
2answers
747 views

Cloud vs traditional iSCSI, xen, drbd, etc

I was wondering, how does a 'traditional' virtual machine setup with storage on iSCSI, with a fallback using DRBD, nodes with Xen installed the 'normal way', storing their images on the iSCSI target, ...
0
votes
1answer
3k views

Citrix XenServer iSCSI shared disk?

I am running Citrix XenServer Essentials 5.5, with VMs stored on an EqualLogic iSCSI shelf, using XenServer's StorageLink. I would like to create a "virtual disk" that can be attached to multiple ...
2
votes
1answer
2k views

iSCSI or NFS for Oracle VM shared storage?

I'm configuring a 4 node Oracle VM environment. One management server, two vm servers and a storage server with direct attached storage. The storage server is running Linux and I thus have the ...
1
vote
2answers
2k views

Xen cluster + iSCSI - Do I need a clustered filesystem

I am in the process of deploying a two-node CentOS+Xen with iSCSI for live migration. The idea is to create a 600GB iSCSI lun, mount it on one of the servers and partition it with LVM. Each VM will ...
2
votes
3answers
2k views

Xen Live Migration Across Network Storage

If you have two network storage boxes (iSCSI specifically) can you livemigrate (either with Xen or XenServer) across the storage units or does it just have to be done when the VM's are paused/shutdown ...
7
votes
4answers
7k views

Xen DomU root filesystems becoming read-only on iSCSI virtual IP failover

My Xen servers are openSUSE 11.1 with open-iscsi to our iSCSI SAN cluster. The SAN modules are in an IP failover group behind a virtual IP that the initiators connect to. In the event that the ...
0
votes
2answers
735 views

Novell Xen cloud

I'm trying to set up a mini-cloud with Novell Xen (SLES 10 SP2 so it's Xen 3.2.x). I have an iSCSI server in the back, using a Starwind 4.1 target. The problem is that I when I write to the iSCSI ...
2
votes
2answers
4k views

How to manage Xen virtual machines on shared SAN storage?

We have a small cluster of Xen servers in the office. Each virtual machine system image is on its own block device on our iSCSI SAN. The servers all connect their iSCSI initiator to every VM LUN ...