1What: /sys/class/rnbd-server 2Date: Feb 2020 3KernelVersion: 5.7 4Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> 5Description: provide information about RNBD-server. 6 7What: /sys/class/rnbd-server/ctl/ 8Date: Feb 2020 9KernelVersion: 5.7 10Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> 11Description: When a client maps a device, a directory entry with the name of the 12 block device is created under /sys/class/rnbd-server/ctl/devices/. 13 14What: /sys/class/rnbd-server/ctl/devices/<device_name>/block_dev 15Date: Feb 2020 16KernelVersion: 5.7 17Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> 18Description: Is a symlink to the sysfs entry of the exported device. 19 20 Example: 21 block_dev -> ../../../../class/block/ram0 22 23What: /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/ 24Date: Feb 2020 25KernelVersion: 5.7 26Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> 27Description: For each client a particular device is exported to, following directory will be 28 created: 29 30 /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/<session-name>/ 31 32 When the device is unmapped by that client, the directory will be removed. 33 34What: /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/<session-name>/read_only 35Date: Feb 2020 36KernelVersion: 5.7 37Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> 38Description: Contains '1' if device is mapped read-only, otherwise '0'. 39 40What: /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/<session-name>/mapping_path 41Date: Feb 2020 42KernelVersion: 5.7 43Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> 44Description: Contains the relative device path provided by the user during mapping. 45 46What: /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/<session-name>/access_mode 47Date: Feb 2020 48KernelVersion: 5.7 49Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> 50Description: Contains the device access mode: ro, rw or migration. 51 52What: /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/<session-name>/force_close 53Date: Nov 2020 54KernelVersion: 5.10 55Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> 56Description: Write "1" to the file to close the device on server side. Please 57 note that the client side device will not be closed, read or 58 write to the device will get -ENOTCONN. 59