1c267e6e0SDavid VrabelWhat: /sys/bus/xen-backend/devices/*/devtype 2c267e6e0SDavid VrabelDate: Feb 2009 3c267e6e0SDavid VrabelKernelVersion: 2.6.38 4c267e6e0SDavid VrabelContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 5c267e6e0SDavid VrabelDescription: 6c267e6e0SDavid Vrabel The type of the device. e.g., one of: 'vbd' (block), 7c267e6e0SDavid Vrabel 'vif' (network), or 'vfb' (framebuffer). 8c267e6e0SDavid Vrabel 9c267e6e0SDavid VrabelWhat: /sys/bus/xen-backend/devices/*/nodename 10c267e6e0SDavid VrabelDate: Feb 2009 11c267e6e0SDavid VrabelKernelVersion: 2.6.38 12c267e6e0SDavid VrabelContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 13c267e6e0SDavid VrabelDescription: 14c267e6e0SDavid Vrabel XenStore node (under /local/domain/NNN/) for this 15c267e6e0SDavid Vrabel backend device. 16c267e6e0SDavid Vrabel 17c267e6e0SDavid VrabelWhat: /sys/bus/xen-backend/devices/vbd-*/physical_device 18c267e6e0SDavid VrabelDate: April 2011 19c267e6e0SDavid VrabelKernelVersion: 3.0 20c267e6e0SDavid VrabelContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 21c267e6e0SDavid VrabelDescription: 22*3e42d1deSCarlos Bilbao The major:minor number (in hexadecimal) of the 23c267e6e0SDavid Vrabel physical device providing the storage for this backend 24c267e6e0SDavid Vrabel block device. 25c267e6e0SDavid Vrabel 26c267e6e0SDavid VrabelWhat: /sys/bus/xen-backend/devices/vbd-*/mode 27c267e6e0SDavid VrabelDate: April 2011 28c267e6e0SDavid VrabelKernelVersion: 3.0 29c267e6e0SDavid VrabelContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 30c267e6e0SDavid VrabelDescription: 31c267e6e0SDavid Vrabel Whether the block device is read-only ('r') or 32c267e6e0SDavid Vrabel read-write ('w'). 33c267e6e0SDavid Vrabel 34c267e6e0SDavid VrabelWhat: /sys/bus/xen-backend/devices/vbd-*/statistics/f_req 35c267e6e0SDavid VrabelDate: April 2011 36c267e6e0SDavid VrabelKernelVersion: 3.0 37c267e6e0SDavid VrabelContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 38c267e6e0SDavid VrabelDescription: 39c267e6e0SDavid Vrabel Number of flush requests from the frontend. 40c267e6e0SDavid Vrabel 41c267e6e0SDavid VrabelWhat: /sys/bus/xen-backend/devices/vbd-*/statistics/oo_req 42c267e6e0SDavid VrabelDate: April 2011 43c267e6e0SDavid VrabelKernelVersion: 3.0 44c267e6e0SDavid VrabelContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 45c267e6e0SDavid VrabelDescription: 46c267e6e0SDavid Vrabel Number of requests delayed because the backend was too 47c267e6e0SDavid Vrabel busy processing previous requests. 48c267e6e0SDavid Vrabel 49c267e6e0SDavid VrabelWhat: /sys/bus/xen-backend/devices/vbd-*/statistics/rd_req 50c267e6e0SDavid VrabelDate: April 2011 51c267e6e0SDavid VrabelKernelVersion: 3.0 52c267e6e0SDavid VrabelContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 53c267e6e0SDavid VrabelDescription: 54c267e6e0SDavid Vrabel Number of read requests from the frontend. 55c267e6e0SDavid Vrabel 56c267e6e0SDavid VrabelWhat: /sys/bus/xen-backend/devices/vbd-*/statistics/rd_sect 57c267e6e0SDavid VrabelDate: April 2011 58c267e6e0SDavid VrabelKernelVersion: 3.0 59c267e6e0SDavid VrabelContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 60c267e6e0SDavid VrabelDescription: 61c267e6e0SDavid Vrabel Number of sectors read by the frontend. 62c267e6e0SDavid Vrabel 63c267e6e0SDavid VrabelWhat: /sys/bus/xen-backend/devices/vbd-*/statistics/wr_req 64c267e6e0SDavid VrabelDate: April 2011 65c267e6e0SDavid VrabelKernelVersion: 3.0 66c267e6e0SDavid VrabelContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 67c267e6e0SDavid VrabelDescription: 68c267e6e0SDavid Vrabel Number of write requests from the frontend. 69c267e6e0SDavid Vrabel 70c267e6e0SDavid VrabelWhat: /sys/bus/xen-backend/devices/vbd-*/statistics/wr_sect 71c267e6e0SDavid VrabelDate: April 2011 72c267e6e0SDavid VrabelKernelVersion: 3.0 73c267e6e0SDavid VrabelContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 74c267e6e0SDavid VrabelDescription: 75c267e6e0SDavid Vrabel Number of sectors written by the frontend. 76076e2cedSJoe Jin 77076e2cedSJoe JinWhat: /sys/bus/xen-backend/devices/*/state 78076e2cedSJoe JinDate: August 2018 79076e2cedSJoe JinKernelVersion: 4.19 80076e2cedSJoe JinContact: Joe Jin <joe.jin@oracle.com> 81076e2cedSJoe JinDescription: 82076e2cedSJoe Jin The state of the device. One of: 'Unknown', 83076e2cedSJoe Jin 'Initialising', 'Initialised', 'Connected', 'Closing', 84076e2cedSJoe Jin 'Closed', 'Reconfiguring', 'Reconfigured'. 85