1*4882a593SmuzhiyunWhat: /sys/bus/xen-backend/devices/*/devtype 2*4882a593SmuzhiyunDate: Feb 2009 3*4882a593SmuzhiyunKernelVersion: 2.6.38 4*4882a593SmuzhiyunContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 5*4882a593SmuzhiyunDescription: 6*4882a593Smuzhiyun The type of the device. e.g., one of: 'vbd' (block), 7*4882a593Smuzhiyun 'vif' (network), or 'vfb' (framebuffer). 8*4882a593Smuzhiyun 9*4882a593SmuzhiyunWhat: /sys/bus/xen-backend/devices/*/nodename 10*4882a593SmuzhiyunDate: Feb 2009 11*4882a593SmuzhiyunKernelVersion: 2.6.38 12*4882a593SmuzhiyunContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 13*4882a593SmuzhiyunDescription: 14*4882a593Smuzhiyun XenStore node (under /local/domain/NNN/) for this 15*4882a593Smuzhiyun backend device. 16*4882a593Smuzhiyun 17*4882a593SmuzhiyunWhat: /sys/bus/xen-backend/devices/vbd-*/physical_device 18*4882a593SmuzhiyunDate: April 2011 19*4882a593SmuzhiyunKernelVersion: 3.0 20*4882a593SmuzhiyunContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 21*4882a593SmuzhiyunDescription: 22*4882a593Smuzhiyun The major:minor number (in hexidecimal) of the 23*4882a593Smuzhiyun physical device providing the storage for this backend 24*4882a593Smuzhiyun block device. 25*4882a593Smuzhiyun 26*4882a593SmuzhiyunWhat: /sys/bus/xen-backend/devices/vbd-*/mode 27*4882a593SmuzhiyunDate: April 2011 28*4882a593SmuzhiyunKernelVersion: 3.0 29*4882a593SmuzhiyunContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 30*4882a593SmuzhiyunDescription: 31*4882a593Smuzhiyun Whether the block device is read-only ('r') or 32*4882a593Smuzhiyun read-write ('w'). 33*4882a593Smuzhiyun 34*4882a593SmuzhiyunWhat: /sys/bus/xen-backend/devices/vbd-*/statistics/f_req 35*4882a593SmuzhiyunDate: April 2011 36*4882a593SmuzhiyunKernelVersion: 3.0 37*4882a593SmuzhiyunContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 38*4882a593SmuzhiyunDescription: 39*4882a593Smuzhiyun Number of flush requests from the frontend. 40*4882a593Smuzhiyun 41*4882a593SmuzhiyunWhat: /sys/bus/xen-backend/devices/vbd-*/statistics/oo_req 42*4882a593SmuzhiyunDate: April 2011 43*4882a593SmuzhiyunKernelVersion: 3.0 44*4882a593SmuzhiyunContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 45*4882a593SmuzhiyunDescription: 46*4882a593Smuzhiyun Number of requests delayed because the backend was too 47*4882a593Smuzhiyun busy processing previous requests. 48*4882a593Smuzhiyun 49*4882a593SmuzhiyunWhat: /sys/bus/xen-backend/devices/vbd-*/statistics/rd_req 50*4882a593SmuzhiyunDate: April 2011 51*4882a593SmuzhiyunKernelVersion: 3.0 52*4882a593SmuzhiyunContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 53*4882a593SmuzhiyunDescription: 54*4882a593Smuzhiyun Number of read requests from the frontend. 55*4882a593Smuzhiyun 56*4882a593SmuzhiyunWhat: /sys/bus/xen-backend/devices/vbd-*/statistics/rd_sect 57*4882a593SmuzhiyunDate: April 2011 58*4882a593SmuzhiyunKernelVersion: 3.0 59*4882a593SmuzhiyunContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 60*4882a593SmuzhiyunDescription: 61*4882a593Smuzhiyun Number of sectors read by the frontend. 62*4882a593Smuzhiyun 63*4882a593SmuzhiyunWhat: /sys/bus/xen-backend/devices/vbd-*/statistics/wr_req 64*4882a593SmuzhiyunDate: April 2011 65*4882a593SmuzhiyunKernelVersion: 3.0 66*4882a593SmuzhiyunContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 67*4882a593SmuzhiyunDescription: 68*4882a593Smuzhiyun Number of write requests from the frontend. 69*4882a593Smuzhiyun 70*4882a593SmuzhiyunWhat: /sys/bus/xen-backend/devices/vbd-*/statistics/wr_sect 71*4882a593SmuzhiyunDate: April 2011 72*4882a593SmuzhiyunKernelVersion: 3.0 73*4882a593SmuzhiyunContact: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> 74*4882a593SmuzhiyunDescription: 75*4882a593Smuzhiyun Number of sectors written by the frontend. 76*4882a593Smuzhiyun 77*4882a593SmuzhiyunWhat: /sys/bus/xen-backend/devices/*/state 78*4882a593SmuzhiyunDate: August 2018 79*4882a593SmuzhiyunKernelVersion: 4.19 80*4882a593SmuzhiyunContact: Joe Jin <joe.jin@oracle.com> 81*4882a593SmuzhiyunDescription: 82*4882a593Smuzhiyun The state of the device. One of: 'Unknown', 83*4882a593Smuzhiyun 'Initialising', 'Initialised', 'Connected', 'Closing', 84*4882a593Smuzhiyun 'Closed', 'Reconfiguring', 'Reconfigured'. 85