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