From: Thomas Lamprecht <t.lamprecht@proxmox.com>
To: pve-devel@lists.proxmox.com, Friedrich Weber <f.weber@proxmox.com>
Subject: Re: [pve-devel] [PATCH qemu-server 1/1] fix #5779: vm start: pass storage hints when activating guest volumes
Date: Fri, 14 Nov 2025 01:06:16 +0100 [thread overview]
Message-ID: <176307876842.3089082.1754078256392110403.b4-ty@proxmox.com> (raw)
In-Reply-To: <20251031103709.60233-7-f.weber@proxmox.com>
On Fri, 31 Oct 2025 11:36:13 +0100, Friedrich Weber wrote:
> Currently supported hints are
>
> - 'guest-is-windows' to denote a Windows guest,
> - 'plugin-may-deactivate-volume' which denotes that the plugin may
> deactivate and re-activate a volume to apply a hint.
>
> Currently the only consumer of hints is the RBD plugin. In case a
> Windows VM guest volume is mapped using KRBD, certain VM workloads may
> cause degraded performance and e.g. "libceph: [...] bad crc/signature"
> messages in the host journal. A workaround is to pass the rxbounce
> option when mapping the volume [1]. If 'guest-is-windows' is set to 1,
> the RBD plugin will map the guest volume with the rxbounce option.
>
> [...]
Applied, thanks!
[1/1] fix #5779: vm start: pass storage hints when activating guest volumes
commit: 7b883dbb107c94e4a8c8a297010e315e154317f6
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prev parent reply other threads:[~2025-11-14 0:06 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-31 10:36 [pve-devel] [PATCH qemu-server/storage 0/6] fix #5779: introduce guest hints to pass rxbounce flag to KRBD Friedrich Weber
2025-10-31 10:36 ` [pve-devel] [PATCH storage 1/5] plugin: introduce hints for activating and mapping volumes Friedrich Weber
2025-11-13 23:41 ` [pve-devel] applied: " Thomas Lamprecht
2025-10-31 10:36 ` [pve-devel] [PATCH storage 2/5] plugin api: bump api version and age Friedrich Weber
2025-11-13 23:41 ` [pve-devel] applied: " Thomas Lamprecht
2025-10-31 10:36 ` [pve-devel] [PATCH storage 3/5] storage: activate/map volumes: verify and pass hints to plugin Friedrich Weber
2025-11-13 23:41 ` [pve-devel] applied: " Thomas Lamprecht
2025-10-31 10:36 ` [pve-devel] [PATCH storage 4/5] plugin: rbd: factor out subroutine to obtain RBD ID Friedrich Weber
2025-11-13 23:41 ` [pve-devel] applied: " Thomas Lamprecht
2025-10-31 10:36 ` [pve-devel] [PATCH storage 5/5] plugin: rbd: pass rxbounce when mapping Windows VM guest volumes Friedrich Weber
2025-11-13 23:41 ` [pve-devel] applied: " Thomas Lamprecht
2025-10-31 10:36 ` [pve-devel] [PATCH qemu-server 1/1] fix #5779: vm start: pass storage hints when activating " Friedrich Weber
2025-11-14 0:06 ` Thomas Lamprecht [this message]
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