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qm: remove note about backups and IOThread

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this has greatly improved for common vzdump backups

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>
This commit is contained in:
Thomas Lamprecht 2019-11-06 18:40:27 +01:00
parent 3dbe1daabf
commit 69f44be252
1 changed files with 2 additions and 3 deletions
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qm.adoc
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@ -253,9 +253,8 @@ The option *IO Thread* can only be used when using a disk with the
*VirtIO* controller, or with the *SCSI* controller, when the emulated controller *VirtIO* controller, or with the *SCSI* controller, when the emulated controller
type is *VirtIO SCSI single*. type is *VirtIO SCSI single*.
With this enabled, Qemu creates one I/O thread per storage controller, With this enabled, Qemu creates one I/O thread per storage controller,
instead of a single thread for all I/O, so it increases performance when instead of a single thread for all I/O, so it can increase performance when
multiple disks are used and each disk has its own storage controller. multiple isks are used and each disk has its own storage controller.
Note that backups do not currently work with *IO Thread* enabled.
[[qm_cpu]] [[qm_cpu]]