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Storage Unpacked 253 – Building Virtual SANs in the Cloud (Revisited)

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内容由Storage Unpacked Podcast提供。所有播客内容(包括剧集、图形和播客描述)均由 Storage Unpacked Podcast 或其播客平台合作伙伴直接上传和提供。如果您认为有人在未经您许可的情况下使用您的受版权保护的作品,您可以按照此处概述的流程进行操作https://zh.player.fm/legal

In this episode, Chris chats with Abel Gordon, Chief System Architect at Lightbits Labs, discussing the challenges and benefits of building a virtual storage area network (SAN) on public cloud infrastructure. Lightbits originally developed the NVMe/TCP protocol and uses this feature to build virtual SANs using public cloud instances. This is a topic we first looked at in episode #210, so it’s good to get a practitioner’s experience.

Modern public cloud now features fast networking, low-latency NVMe and high-performance virtual and physical instances. Unfortunately, NVMe devices are ephemeral and any provisioned storage in the cloud is charged at full capacity. For users of on-premises SANs, the lack of thin provisioning may be an unwelcome surprise.

Why build a virtual SAN, other than to save storage costs? There’s a lot more involved, including delivering resiliency, scalability, targeted performance and capacity. Abel discusses the benefits, then goes on to enumerate the challenges involved when building on vendor-owned infrastructure. Finally, the discussion moves on to how Lightbits’ software is deployed and operated, including the managed application capability in Microsoft Azure.

For more information on Lightbits Labs, visit the company website at https://www.lightbitslabs.com/

As Abel, suggests you can contact him on LinkedIn or email him directly at abel@lightbitslabs.com.

Elapsed Time: 00:51:15

Timeline

  • 00:00:00 – Intros
  • 00:02:07 – Why build a virtual SAN in the public cloud
  • 00:04:30 – SANs balance out and fully exploit available performance resources
  • 00:06:36 – Public cloud charges for performance and capacity
  • 00:08:12 – On-premises SANs offered full flexibility to manage all metrics
  • 00:09:25 – Cloud autoscaling combined with software gives much more flexible storage
  • 00:13:27 – The on-demand nature of cloud works well for scaling SANs
  • 00:14:40 – New cloud features – NVMe, fast networking and NVMe/TCP have enabled solutions
  • 00:17:19 – What is NVMe/TCP?
  • 00:20:50 – What challenges are there in delivering a SAN on public cloud instances?
  • 00:24:03 – Cloud providers optimise for their system, not for your application
  • 00:25:02 – What operating system issues exist when building a virtual SAN?
  • 00:28:27 – Userspace operation requires a different programming strategy
  • 00:31:00 – NUMA awareness is essential, even in the public cloud
  • 00:32:46 – Each new instance type requires retesting and validation
  • 00:35:53 – What is the Lightbits solution and how is it deployed?
  • 00:37:00 – NVMe cloud drives are ephemeral
  • 00:41:35 – Snapshots work differently in the public cloud
  • 00:44:12 – Is Lightbits dedicated or HCI?
  • 00:46:32 – How is the solution consumed?
  • 00:47:29 – Azure offers management application capability
  • 00:50:36 – Wrap up

Related Podcasts & Blogs


Copyright (c) 2016-2023 Unpacked Network. No reproduction or re-use without permission. Podcast episode #cv54.

  continue reading

154集单集

Artwork
icon分享
 
Manage episode 381964910 series 2358764
内容由Storage Unpacked Podcast提供。所有播客内容(包括剧集、图形和播客描述)均由 Storage Unpacked Podcast 或其播客平台合作伙伴直接上传和提供。如果您认为有人在未经您许可的情况下使用您的受版权保护的作品,您可以按照此处概述的流程进行操作https://zh.player.fm/legal

In this episode, Chris chats with Abel Gordon, Chief System Architect at Lightbits Labs, discussing the challenges and benefits of building a virtual storage area network (SAN) on public cloud infrastructure. Lightbits originally developed the NVMe/TCP protocol and uses this feature to build virtual SANs using public cloud instances. This is a topic we first looked at in episode #210, so it’s good to get a practitioner’s experience.

Modern public cloud now features fast networking, low-latency NVMe and high-performance virtual and physical instances. Unfortunately, NVMe devices are ephemeral and any provisioned storage in the cloud is charged at full capacity. For users of on-premises SANs, the lack of thin provisioning may be an unwelcome surprise.

Why build a virtual SAN, other than to save storage costs? There’s a lot more involved, including delivering resiliency, scalability, targeted performance and capacity. Abel discusses the benefits, then goes on to enumerate the challenges involved when building on vendor-owned infrastructure. Finally, the discussion moves on to how Lightbits’ software is deployed and operated, including the managed application capability in Microsoft Azure.

For more information on Lightbits Labs, visit the company website at https://www.lightbitslabs.com/

As Abel, suggests you can contact him on LinkedIn or email him directly at abel@lightbitslabs.com.

Elapsed Time: 00:51:15

Timeline

  • 00:00:00 – Intros
  • 00:02:07 – Why build a virtual SAN in the public cloud
  • 00:04:30 – SANs balance out and fully exploit available performance resources
  • 00:06:36 – Public cloud charges for performance and capacity
  • 00:08:12 – On-premises SANs offered full flexibility to manage all metrics
  • 00:09:25 – Cloud autoscaling combined with software gives much more flexible storage
  • 00:13:27 – The on-demand nature of cloud works well for scaling SANs
  • 00:14:40 – New cloud features – NVMe, fast networking and NVMe/TCP have enabled solutions
  • 00:17:19 – What is NVMe/TCP?
  • 00:20:50 – What challenges are there in delivering a SAN on public cloud instances?
  • 00:24:03 – Cloud providers optimise for their system, not for your application
  • 00:25:02 – What operating system issues exist when building a virtual SAN?
  • 00:28:27 – Userspace operation requires a different programming strategy
  • 00:31:00 – NUMA awareness is essential, even in the public cloud
  • 00:32:46 – Each new instance type requires retesting and validation
  • 00:35:53 – What is the Lightbits solution and how is it deployed?
  • 00:37:00 – NVMe cloud drives are ephemeral
  • 00:41:35 – Snapshots work differently in the public cloud
  • 00:44:12 – Is Lightbits dedicated or HCI?
  • 00:46:32 – How is the solution consumed?
  • 00:47:29 – Azure offers management application capability
  • 00:50:36 – Wrap up

Related Podcasts & Blogs


Copyright (c) 2016-2023 Unpacked Network. No reproduction or re-use without permission. Podcast episode #cv54.

  continue reading

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