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- What: /sys/bus/xen-backend/devices/*/devtype
- Date: Feb 2009
- KernelVersion: 2.6.38
- Contact: Konrad Rzeszutek Wilk <[email protected]>
- Description:
- The type of the device. e.g., one of: 'vbd' (block),
- 'vif' (network), or 'vfb' (framebuffer).
- What: /sys/bus/xen-backend/devices/*/nodename
- Date: Feb 2009
- KernelVersion: 2.6.38
- Contact: Konrad Rzeszutek Wilk <[email protected]>
- Description:
- XenStore node (under /local/domain/NNN/) for this
- backend device.
- What: /sys/bus/xen-backend/devices/vbd-*/physical_device
- Date: April 2011
- KernelVersion: 3.0
- Contact: Konrad Rzeszutek Wilk <[email protected]>
- Description:
- The major:minor number (in hexidecimal) of the
- physical device providing the storage for this backend
- block device.
- What: /sys/bus/xen-backend/devices/vbd-*/mode
- Date: April 2011
- KernelVersion: 3.0
- Contact: Konrad Rzeszutek Wilk <[email protected]>
- Description:
- Whether the block device is read-only ('r') or
- read-write ('w').
- What: /sys/bus/xen-backend/devices/vbd-*/statistics/f_req
- Date: April 2011
- KernelVersion: 3.0
- Contact: Konrad Rzeszutek Wilk <[email protected]>
- Description:
- Number of flush requests from the frontend.
- What: /sys/bus/xen-backend/devices/vbd-*/statistics/oo_req
- Date: April 2011
- KernelVersion: 3.0
- Contact: Konrad Rzeszutek Wilk <[email protected]>
- Description:
- Number of requests delayed because the backend was too
- busy processing previous requests.
- What: /sys/bus/xen-backend/devices/vbd-*/statistics/rd_req
- Date: April 2011
- KernelVersion: 3.0
- Contact: Konrad Rzeszutek Wilk <[email protected]>
- Description:
- Number of read requests from the frontend.
- What: /sys/bus/xen-backend/devices/vbd-*/statistics/rd_sect
- Date: April 2011
- KernelVersion: 3.0
- Contact: Konrad Rzeszutek Wilk <[email protected]>
- Description:
- Number of sectors read by the frontend.
- What: /sys/bus/xen-backend/devices/vbd-*/statistics/wr_req
- Date: April 2011
- KernelVersion: 3.0
- Contact: Konrad Rzeszutek Wilk <[email protected]>
- Description:
- Number of write requests from the frontend.
- What: /sys/bus/xen-backend/devices/vbd-*/statistics/wr_sect
- Date: April 2011
- KernelVersion: 3.0
- Contact: Konrad Rzeszutek Wilk <[email protected]>
- Description:
- Number of sectors written by the frontend.
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