| 1 | What: /sys/class/rnbd-server |
| 2 | Date: Feb 2020 |
| 3 | KernelVersion: 5.7 |
| 4 | Contact: Jack Wang <[email protected]> Danil Kipnis <[email protected]> |
| 5 | Description: provide information about RNBD-server. |
| 6 | |
| 7 | What: /sys/class/rnbd-server/ctl/ |
| 8 | Date: Feb 2020 |
| 9 | KernelVersion: 5.7 |
| 10 | Contact: Jack Wang <[email protected]> Danil Kipnis <[email protected]> |
| 11 | Description: 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 | |
| 14 | What: /sys/class/rnbd-server/ctl/devices/<device_name>/block_dev |
| 15 | Date: Feb 2020 |
| 16 | KernelVersion: 5.7 |
| 17 | Contact: Jack Wang <[email protected]> Danil Kipnis <[email protected]> |
| 18 | Description: Is a symlink to the sysfs entry of the exported device. |
| 19 | |
| 20 | Example: |
| 21 | block_dev -> ../../../../class/block/ram0 |
| 22 | |
| 23 | What: /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/ |
| 24 | Date: Feb 2020 |
| 25 | KernelVersion: 5.7 |
| 26 | Contact: Jack Wang <[email protected]> Danil Kipnis <[email protected]> |
| 27 | Description: 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 | |
| 34 | What: /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/<session-name>/read_only |
| 35 | Date: Feb 2020 |
| 36 | KernelVersion: 5.7 |
| 37 | Contact: Jack Wang <[email protected]> Danil Kipnis <[email protected]> |
| 38 | Description: Contains '1' if device is mapped read-only, otherwise '0'. |
| 39 | |
| 40 | What: /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/<session-name>/mapping_path |
| 41 | Date: Feb 2020 |
| 42 | KernelVersion: 5.7 |
| 43 | Contact: Jack Wang <[email protected]> Danil Kipnis <[email protected]> |
| 44 | Description: Contains the relative device path provided by the user during mapping. |
| 45 | |
| 46 | What: /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/<session-name>/access_mode |
| 47 | Date: Feb 2020 |
| 48 | KernelVersion: 5.7 |
| 49 | Contact: Jack Wang <[email protected]> Danil Kipnis <[email protected]> |
| 50 | Description: Contains the device access mode: ro, rw or migration. |
| 51 | |
| 52 | What: /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/<session-name>/force_close |
| 53 | Date: Nov 2020 |
| 54 | KernelVersion: 5.10 |
| 55 | Contact: Jack Wang <[email protected]> Danil Kipnis <[email protected]> |
| 56 | Description: 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. |