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[GH-ISSUE #1] Support Running on Virtual Disks or OSS #2

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opened 2026-10-26 09:43:13 +00:00 by bsakaguchi · 4 comments
bsakaguchi commented 2026-10-26 09:43:13 +00:00
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Originally created by @songzhi on GitHub (Feb 28, 2025).
Original GitHub issue: https://github.com/deepseek-ai/3FS/issues/1

Many cloud service applications now run on virtual disks or object storage services. Virtual disks already have data redundancy and reliability guarantees. Can 3FS support running in this mode?

Originally created by @songzhi on GitHub (Feb 28, 2025). Original GitHub issue: https://github.com/deepseek-ai/3FS/issues/1 Many cloud service applications now run on virtual disks or object storage services. Virtual disks already have data redundancy and reliability guarantees. Can 3FS support running in this mode?
bsakaguchi commented 2026-10-26 09:43:13 +00:00
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@ppkube commented on GitHub (Feb 28, 2025):

3fs is designed for high-performance workloads and directly manages nvme SSDs and uses RDMA for cross-node communication. Cloud storage provides POSIX filesystem and object store interface, so apparently it's not viable.

One could rent bare metal machines from cloud providers to run 3FS, though.

<!-- gh-comment-id:2689585825 --> @ppkube commented on GitHub (Feb 28, 2025): 3fs is designed for high-performance workloads and directly manages nvme SSDs and uses RDMA for cross-node communication. Cloud storage provides POSIX filesystem and object store interface, so apparently it's not viable. One could rent bare metal machines from cloud providers to run 3FS, though.
bsakaguchi commented 2026-10-26 09:43:14 +00:00
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@songzhi commented on GitHub (Feb 28, 2025):

Yes, but cloud storage also provides block storage protocols that can replace NVMe SSDs in 3FS, and eliminates the need for 3FS to manage redundancy and synchronization. Of course, from a performance perspective, it certainly cannot match bare-metal deployment.

However, if 3FS becomes the "de facto standard" for AI infrastructure, supporting virtual volumes would be meaningful for individuals or small to medium-sized teams who want to learn and use it. They can rent computing and storage resources from cloud providers instead of setting up their own bare-metal servers.

I know that the DeepSeek team has different aspirations, but I am happy to see others exploring more possibilities based on 3FS.

<!-- gh-comment-id:2689712342 --> @songzhi commented on GitHub (Feb 28, 2025): Yes, but cloud storage also provides block storage protocols that can replace NVMe SSDs in 3FS, and eliminates the need for 3FS to manage redundancy and synchronization. Of course, from a performance perspective, it certainly cannot match bare-metal deployment. However, if 3FS becomes the "de facto standard" for AI infrastructure, supporting virtual volumes would be meaningful for individuals or small to medium-sized teams who want to learn and use it. They can rent computing and storage resources from cloud providers instead of setting up their own bare-metal servers. I know that the DeepSeek team has different aspirations, but I am happy to see others exploring more possibilities based on 3FS.
bsakaguchi commented 2026-10-26 09:43:14 +00:00
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@ppkube commented on GitHub (Feb 28, 2025):

block storage protocols

This usually does not speak NVMe (NVMe-oF).

<!-- gh-comment-id:2689797031 --> @ppkube commented on GitHub (Feb 28, 2025): > block storage protocols This usually does not speak NVMe (NVMe-oF).
bsakaguchi commented 2026-10-26 09:43:14 +00:00
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@swpnk commented on GitHub (Mar 3, 2025):

This blog explains how it cannot run on cloud yet. https://open.substack.com/pub/datashot/p/why-3fs-cant-run-on-cloud-yet?r=yr8bh&utm_medium=ios

<!-- gh-comment-id:2695032732 --> @swpnk commented on GitHub (Mar 3, 2025): This blog explains how it cannot run on cloud yet. https://open.substack.com/pub/datashot/p/why-3fs-cant-run-on-cloud-yet?r=yr8bh&utm_medium=ios
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