| What: /sys/class/rnbd-server |
| Date: Feb 2020 |
| KernelVersion: 5.7 |
| Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> |
| Description: provide information about RNBD-server. |
| |
| What: /sys/class/rnbd-server/ctl/ |
| Date: Feb 2020 |
| KernelVersion: 5.7 |
| Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> |
| Description: When a client maps a device, a directory entry with the name of the |
| block device is created under /sys/class/rnbd-server/ctl/devices/. |
| |
| What: /sys/class/rnbd-server/ctl/devices/<device_name>/block_dev |
| Date: Feb 2020 |
| KernelVersion: 5.7 |
| Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> |
| Description: Is a symlink to the sysfs entry of the exported device. |
| |
| Example: |
| block_dev -> ../../../../class/block/ram0 |
| |
| What: /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/ |
| Date: Feb 2020 |
| KernelVersion: 5.7 |
| Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> |
| Description: For each client a particular device is exported to, following directory will be |
| created: |
| |
| /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/<session-name>/ |
| |
| When the device is unmapped by that client, the directory will be removed. |
| |
| What: /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/<session-name>/read_only |
| Date: Feb 2020 |
| KernelVersion: 5.7 |
| Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> |
| Description: Contains '1' if device is mapped read-only, otherwise '0'. |
| |
| What: /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/<session-name>/mapping_path |
| Date: Feb 2020 |
| KernelVersion: 5.7 |
| Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> |
| Description: Contains the relative device path provided by the user during mapping. |
| |
| What: /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/<session-name>/access_mode |
| Date: Feb 2020 |
| KernelVersion: 5.7 |
| Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> |
| Description: Contains the device access mode: ro, rw or migration. |
| |
| What: /sys/class/rnbd-server/ctl/devices/<device_name>/sessions/<session-name>/force_close |
| Date: Nov 2020 |
| KernelVersion: 5.10 |
| Contact: Jack Wang <jinpu.wang@cloud.ionos.com> Danil Kipnis <danil.kipnis@cloud.ionos.com> |
| Description: Write "1" to the file to close the device on server side. Please |
| note that the client side device will not be closed, read or |
| write to the device will get -ENOTCONN. |
