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What: /sys/bus/xen-backend/devices/*/devtype
Date: Feb 2009
KernelVersion: 2.6.38
Contact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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 <konrad.wilk@oracle.com>
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 <konrad.wilk@oracle.com>
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 <konrad.wilk@oracle.com>
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 <konrad.wilk@oracle.com>
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 <konrad.wilk@oracle.com>
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 <konrad.wilk@oracle.com>
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 <konrad.wilk@oracle.com>
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 <konrad.wilk@oracle.com>
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 <konrad.wilk@oracle.com>
Description:
Number of sectors written by the frontend.
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