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 <<
52 What: /sys/class/rnbd-server/ctl/dev <<
53 Date: Nov 2020 <<
54 KernelVersion: 5.10 <<
55 Contact: Jack Wang <jinpu.wang@cloud.ion <<
56 Description: Write "1" to the file to close <<
57 note that the client side devi <<
58 write to the device will get - <<
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.