From: Filip Schauer <f.schauer@proxmox.com>
To: Markus Frank <m.frank@proxmox.com>, pve-devel@lists.proxmox.com
Subject: Re: [PATCH guest-common/qemu-server/docs/manager v3 0/11] Virtiofs improvements
Date: Wed, 6 May 2026 16:03:09 +0200 [thread overview]
Message-ID: <d0578135-4b2b-448b-be54-575a60587795@proxmox.com> (raw)
In-Reply-To: <d8e8960a-0abe-4635-ae5d-ec7492995465@proxmox.com>
On 27/04/2026 17:17, Filip Schauer wrote:
> backing fs live mig. method data integrity write works? read works?
> NFS find-paths ok yes yes
> NFS file-handles data mismatch yes yes
> CephFS find-paths ok yes yes
> CephFS file-handles ok yes yes
> CIFS find-paths copy failed I/O error I/O error
> CIFS file-handles copy failed I/O error yes
>
>
> Live Migration with CephFS backing virtiofs worked flawlessly.
>
> NFS worked well with find-paths
> but with file-handles it corrupted (zeroed out) 1536 Bytes of data.
On my previous tests with NFS, my NFS share was configured as:
/mnt/mysharedir *(rw,sync)
in /etc/exports
This time I tested with `no_root_squash` (per Markus' suggestion):
/mnt/mysharedir *(no_root_squash,rw,sync)
backing fs live mig. method data integrity write works? read works?
NFS find-paths ok yes yes
NFS find-handles data mismatch yes yes
It still corrupted my data with `find-handles`. This time 1024 Bytes
were zeroed out in the target file of the `dd`.
prev parent reply other threads:[~2026-05-06 14:03 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-27 12:16 [PATCH guest-common/qemu-server/docs/manager v3 0/11] Virtiofs improvements Markus Frank
2026-04-27 12:16 ` [PATCH guest-common v3 1/11] mapping: dir: add 'live-migration-method' parameter Markus Frank
2026-04-27 12:16 ` [PATCH qemu-server v3 2/11] fix #6370: virtiofs: add support for thread-pool-size option Markus Frank
2026-04-27 12:16 ` [PATCH qemu-server v3 3/11] virtiofs: add readonly option Markus Frank
2026-04-27 12:16 ` [PATCH qemu-server v3 4/11] virtiofs: add live migration support Markus Frank
2026-04-27 12:16 ` [PATCH docs v3 5/11] virtiofs: add explanation for cache=metadata behavior Markus Frank
2026-04-27 12:16 ` [PATCH docs v3 6/11] virtiofs: add table for optional parameters Markus Frank
2026-04-27 12:16 ` [PATCH docs v3 7/11] virtiofs: add description for thread-pool-size and readonly Markus Frank
2026-04-27 12:16 ` [PATCH docs v3 8/11] virtiofs: add documentation for live migration Markus Frank
2026-04-27 12:16 ` [PATCH manager v3 09/11] fix #6370: ui: virtiofs edit: add support for thread-pool-size option Markus Frank
2026-04-27 12:16 ` [PATCH manager v3 10/11] virtiofs edit: add support for readonly option Markus Frank
2026-04-27 12:17 ` [PATCH manager v3 11/11] directory mapping: add live-migration-method option for virtiofs Markus Frank
2026-04-27 15:18 ` [PATCH guest-common/qemu-server/docs/manager v3 0/11] Virtiofs improvements Filip Schauer
2026-05-06 14:03 ` Filip Schauer [this message]
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