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Martin Hope
alex9183
Asked: 2013-04-27 02:14:56 +0800 CST
  • 0

I have a dual controller P2000 G3 (SAS 6GB) hooked up to 3 ESXi hosts.

There are 12x 600GB 15k rpm drives total, and I have set them up in 1 RAID10 vDisk to maximize performance+reliability. The vDisk is then presented to the hosts (6 LUNs)

The problem with this approach is that the second controller is not being used at all.

How could I configure the P2000 so that all disks are used (to keep iops high) and both storage controllers are used?

vmware-esxi
Martin Hope
alex9183
Asked: 2013-04-25 00:32:25 +0800 CST
  • 0

I'm setting up a virtual environment consisting of 10 VM's with 2 primary SQL databases required. The infrastructure allocates two pairs of SQL 2008 R2 Enterprise edition (VM's). The pairs are recommended in order to achieve redundancy, however there are no specific methods recommended in order to achieve it.

The 10 VM's will be running on a single ESXi host, which is connected via SAS 6Gb HBA to a SAN. I am looking for a recommendation in order to achieve redundancy between the two pairs of SQL databases - would Failover Clustering be the way to go?

Are there any recommendations for configuring this failover cluster with vmdk files?

sql-server-2008
Martin Hope
alex9183
Asked: 2013-04-06 05:53:03 +0800 CST
  • 1

I have two sets of ESXi hosts, one set for management and one for tenants. Each ESXi host has 8 nics and four vSwitches. All vSwitches are trunked via aggregated interfaces to a pair of EX in VC mode.

I only have one ISP connection with a network allocation (/28) which is bridged (the ISP provides the gateway that we use)

The EX uplink to the Sonic is ge-0/0/20, a trunked port for 5 VLANs: (10, 20, 30, 60, and ‘default/untagged’ vlan). The rest of the VLAN's are internal traffic, unrouted, no gateway.

I need to have direct internet connection on VLAN 60 (not NAT). I have setup a RVI on the switch, vlan.60 as per http://kb.juniper.net/InfoCenter/index?page=content&id=KB11000&actp=RSS

The Sonicwall supports “L2 Bridge Mode” so I can bridge my ISP connection (now connected @ X1 port) to the X0 port. They say on their KB that this way, you can effectively span your WAN subnet and insert the Sonicwall “transparently”: http://www.firewalls.com/blog/transparent_mode_or_bridge_mode/

If I bridge X0 to X1, I will only have a public interface for the sonicwall, I won't be able to use it's current LAN IP 10.0.14.254

Can I then assign my entire WAN subnet on my l3-interface of vlan.60 ? And, do I need to set the native-vlan-id of my ge-0/0/20 uplink to VLAN 60 ?

The Sonicwall is connected to EX ge-0/0/20 (gigabit port) through X0 and to the me0.0 ('vme') port through X3. ![Topology][1]

Topology: i.stack.imgur.com/Ijzw2.png

routing
Martin Hope
alex9183
Asked: 2013-04-01 22:24:48 +0800 CST
  • 1

I recently started colocating at a datacenter, and they provided me with a /27 subnet, let's say

192.0.2.112/27 , this translates to usable IP's .96 to .127.

Because of a requirement in my network, I need to have two subnets, so I can assign each /28 subnet to its own router (I have two routers in my rack).

In this case I will have:

192.0.2.96/28 on my primary router , gateway 192.0.2.96
192.0.2.112/28 on my secondary router, same gateway.

I understand I will have one less usable public IP because of the broadcast address and the network address, but other than that, are there any issues if I do that? Do I need to notify the colo ISP or can I do whatever I want with my subnet?

routing