[cisco-voip] UC on UCS C-Series Datastore Setup

[Matthew Loraditch]

FWIW as an additional datapoint, For CMBE6K 9.0 new orders, the server comes semi-preconfigured and the HV is on a RAID 10 Virtual disk with a single datastore that the ISOs and the VMs also go on.


Matthew G. Loraditch - CCNP-Voice, CCNA, CCDA

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From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Boon
Sent: Wednesday, January 23, 2013 6:26 PM
To: cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] UC on UCS C-Series Datastore Setup

Thanks Ryan. It's confusing as the setup guide that comes with the C220-M3 provides steps indicating that that the HV should be installed on one of the VD on the flash drive.

Are you saying that this should be ignored for UC on UCS installs and the previous method of installing the HV on the HDD should be followed?

On Tue, Jan 22, 2013 at 10:37 PM, Ryan Ratliff <rratliff at cisco.com<mailto:rratliff at cisco.com>> wrote:
Keep in mind that deviating from our install guides on a TRC drops you back to specs-based support in terms of UC on UCS.  Not that you will have any issues but it is something you need to be aware of in the case that things really start to go south.

I'm sure the 2 array configuration was done both data protection and for performance.  We haven't found any real benefit to using the flexible flash drives for TRCs (since we aren't limited by disk space and the hypervisor mostly runs in RAM anyway) which is why it isn't included in our guides.

-Ryan

On Jan 22, 2013, at 12:21 PM, Boon <ciscovoipuser at gmail.com<mailto:ciscovoipuser at gmail.com>> wrote:

Thanks for the info Ryan and Jason.

I'm deploying a C-220-M3 server with a Flexible Flash card which as 4 virtual drives with a dedicated one for VM onto which I have installed ESXi hypervisor. Therefore I'm guessing that the two RAID arrays approach was meant for earlier c-series models without flash cards right?

I've setup the HDD as a single RAID5 which is inline with the tested reference guide on the UCS wiki. I just want to know if I can create a single datastore or whether it's better practice to create two and keep the ISO discs separate. I think the VM doc will give me the answer hopefully. Thanks.


On Tue, Jan 22, 2013 at 5:08 PM, Ryan Ratliff <rratliff at cisco.com<mailto:rratliff at cisco.com>> wrote:
If you have a TRC then you can find instructions in here:
http://www.cisco.com/en/US/docs/voice_ip_comm/cucm/virtual/CUCM_BK_CA526319_00_cucm-on-virtualized-servers_chapter_00.html

If you are specs-based, then it's expected you know how to structure your datastore(s) to meet your needs so there won't be specific instructions.

All of our docs that I've run through have instructions for configuring two separate RAID arrays, one for ESXi and ISOs, and another for VMs.  The ones I've done have been RAID 1 and RAID 5 (respectively) and these are usually done at the same time, before you install ESXi.

-Ryan

On Jan 22, 2013, at 10:45 AM, Boon <ciscovoipuser at gmail.com<mailto:ciscovoipuser at gmail.com>> wrote:

Hi,

I'm in the process of building my first C-Series UCS server from scratch.

I've configured RAID, installed ESXi and have logged into vSphere. I need to configure a datastore which I'm ok with.

I have a question regarding the datastore setup. Is there any recommendations from Cisco on how to configure these logically?

I've seen a couple of installs that have two datastores, one for VMs and another for ISO images etc for quick rebuilds..

I have a 1.9TB of disk space to use and I'd like to set it up in line with best practice if I can.

Thanks,

Rab
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