Spectrum Computing, Senior Managing Consultant
IBM Certified Deployment Professional - Spectrum Scale V4.1.1
IBM Certified Deployment Professional - Cloud Object Storage V3.8
----- Original message -----
From: Laurence Horrocks-Barlow <[email protected]>
To: gpfsug main discussion list <[email protected]>, Kevin D Johnson/New York/IBM@IBMUS
Cc:
Subject: Re: [gpfsug-discuss] Virtualized Spectrum Scale
Date: Tue, Oct 25, 2016 3:55 PM
Kevin,
This is how I run test systems, I let iovirt devices to be attached to multiple kvm systems. It works well.
-- Lauz
On 25 October 2016 20:05:12 BST, Kevin D Johnson <[email protected]> wrote:Mark,You can run Spectrum Scale with virtual machines. As long as the virtual disks present to the file system as devices, you should be good to go (for example, "cat /proc/partitions" should show your virtual disks as devices). I typically use scsi raw devices with virtual machines and that seems to work well. KVM allows you to share the disks as well between hosts and that's important to emulate more production level uses. It is good for a lab or to try something quickly without provisioning actual machines. We have sometimes used SS with virtual machines in production but we typically recommend bare metal if/when possible.Kevin D. Johnson, MBA, MAFM
Spectrum Computing, Senior Managing Consultant
IBM Certified Deployment Professional - Spectrum Scale V4.1.1
IBM Certified Deployment Professional - Cloud Object Storage V3.8IBM Certified Solution Advisor - Spectrum Computing V1720.349.6199 - [email protected]----- Original message -----
From: "[email protected]" <[email protected]>
Sent by: [email protected]
To: "[email protected]" <[email protected]>
Cc:
Subject: [gpfsug-discuss] Virtualized Spectrum Scale
Date: Tue, Oct 25, 2016 2:47 PM
Anyone running SpectrumScale on Virtual Machines (intel)? I’m curious how you manage disks? Do you use RDM’s? Does this even make sense to do? If you have a 2-3 node cluster how do you share the disks across? Do you have VM’s with their own VMDK’s (if not RDM) in each node or is there some way to share access to the same VMDK’s? What are the advantages doing this other than existing HW use? Seems to me for a lab environment or very small nonperformance focused implementation this may be a viable option.
Thanks
Mark
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