[lustre-discuss] Lustre kernel space or user space

[Tancheff, Shaun]

A bit dated but should give a reasonable overview:
https://wiki.lustre.org/images/d/da/LUG08-Lustre-NFS.pdf

I would prefer NFSv4 over v3.
Expect that NFS performance will be less than Lustre native.

From: Nick dan <nickdan2999 at gmail.com>
Date: Wednesday, May 3, 2023 at 5:14 PM
To: "Tancheff, Shaun" <shaun.tancheff at hpe.com>, "lustre-discuss-request at lists.lustre.org" <lustre-discuss-request at lists.lustre.org>, "lustre-discuss-owner at lists.lustre.org" <lustre-discuss-owner at lists.lustre.org>, "lustre-discuss at lists.lustre.org" <lustre-discuss at lists.lustre.org>
Subject: Re: [lustre-discuss] Lustre kernel space or user space

Hi

Can you explain in detail how Lustre can be used with NFS? Do you mean that the storage will be lustre and client will be mounted with NFS? Will this affect the performance?

Thanks and regards
Nick

On Wed, 3 May 2023 at 14:30, Tancheff, Shaun <shaun.tancheff at hpe.com<mailto:shaun.tancheff at hpe.com>> wrote:
Lustre is an in-kernel file system.

I am not aware of a FUSE mountable Lustre, it would be very likely to have an unacceptable performance profile.

There is also method to re-export as an NFS share to enable NFS clients access to data stored on Lustre, an example use case is when client OS does not support Lustre but does support NFS.

From: lustre-discuss <lustre-discuss-bounces at lists.lustre.org<mailto:lustre-discuss-bounces at lists.lustre.org>> on behalf of Nick dan via lustre-discuss <lustre-discuss at lists.lustre.org<mailto:lustre-discuss at lists.lustre.org>>
Reply-To: Nick dan <nickdan2999 at gmail.com<mailto:nickdan2999 at gmail.com>>
Date: Wednesday, May 3, 2023 at 2:04 PM
To: "lustre-discuss-owner at lists.lustre.org<mailto:lustre-discuss-owner at lists.lustre.org>" <lustre-discuss-owner at lists.lustre.org<mailto:lustre-discuss-owner at lists.lustre.org>>, "lustre-discuss-request at lists.lustre.org<mailto:lustre-discuss-request at lists.lustre.org>" <lustre-discuss-request at lists.lustre.org<mailto:lustre-discuss-request at lists.lustre.org>>, "lustre-discuss at lists.lustre.org<mailto:lustre-discuss at lists.lustre.org>" <lustre-discuss at lists.lustre.org<mailto:lustre-discuss at lists.lustre.org>>
Subject: [lustre-discuss] Lustre kernel space or user space

Hi

I had a few questions.
1. Is lustre storage and client mounted in kernel space or user space?
2. Can lustre be mounted with fuse? What is the use of mounting lustre with fuse?

Thanks and regards,
Nick
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