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Document that virtio-scsi is the recommended controller for PVE >= 4.3

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Emmanuel Kasper 2016-09-15 10:07:44 +02:00 committed by Dietmar Maurer
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@ -122,18 +122,19 @@ on this controller.
design, allowing higher throughput and a greater number of devices to be design, allowing higher throughput and a greater number of devices to be
connected. You can connect up to 6 devices on this controller. connected. You can connect up to 6 devices on this controller.
* the *SCSI* controller, designed in 1985, is commonly found on server * the *SCSI* controller, designed in 1985, is commonly found on server grade
grade hardware, and can connect up to 14 storage devices. {pve} emulates by hardware, and can connect up to 14 storage devices. {pve} emulates by default a
default a LSI 53C895A controller. LSI 53C895A controller. +
A SCSI controller of type _Virtio_ is the recommended setting if you aim for
* The *Virtio* controller is a generic paravirtualized controller, and is the performance and is automatically selected for newly created Linux VMs since
recommended setting if you aim for performance. To use this controller, the OS {pve} 4.3. Linux distributions have support for this controller since 2012, and
need to have special drivers which may be included in your installation ISO or
not. Linux distributions have support for the Virtio controller since 2010, and
FreeBSD since 2014. For Windows OSes, you need to provide an extra iso FreeBSD since 2014. For Windows OSes, you need to provide an extra iso
containing the Virtio drivers during the installation. containing the drivers during the installation.
// see: https://pve.proxmox.com/wiki/Paravirtualized_Block_Drivers_for_Windows#During_windows_installation. // https://pve.proxmox.com/wiki/Paravirtualized_Block_Drivers_for_Windows#During_windows_installation.
You can connect up to 16 devices on this controller.
* The *Virtio* controller, also called virtio-blk to distinguish from
the Virtio SCSI controller, is an older type of paravirtualized controller
which has been superseded in features by the Virtio SCSI Controller.
On each controller you attach a number of emulated hard disks, which are backed On each controller you attach a number of emulated hard disks, which are backed
by a file or a block device residing in the configured storage. The choice of by a file or a block device residing in the configured storage. The choice of