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