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[mirror_ubuntu-zesty-kernel.git] / Documentation / ABI / stable / sysfs-transport-srp
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1What: /sys/class/srp_remote_ports/port-<h>:<n>/delete
2Date: June 1, 2012
3KernelVersion: 3.7
4Contact: linux-scsi@vger.kernel.org, linux-rdma@vger.kernel.org
5Description: Instructs an SRP initiator to disconnect from a target and to
6 remove all LUNs imported from that target.
7
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8What: /sys/class/srp_remote_ports/port-<h>:<n>/dev_loss_tmo
9Date: February 1, 2014
10KernelVersion: 3.13
11Contact: linux-scsi@vger.kernel.org, linux-rdma@vger.kernel.org
12Description: Number of seconds the SCSI layer will wait after a transport
13 layer error has been observed before removing a target port.
14 Zero means immediate removal. Setting this attribute to "off"
15 will disable the dev_loss timer.
16
17What: /sys/class/srp_remote_ports/port-<h>:<n>/fast_io_fail_tmo
18Date: February 1, 2014
19KernelVersion: 3.13
20Contact: linux-scsi@vger.kernel.org, linux-rdma@vger.kernel.org
21Description: Number of seconds the SCSI layer will wait after a transport
22 layer error has been observed before failing I/O. Zero means
23 failing I/O immediately. Setting this attribute to "off" will
24 disable the fast_io_fail timer.
25
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26What: /sys/class/srp_remote_ports/port-<h>:<n>/port_id
27Date: June 27, 2007
28KernelVersion: 2.6.24
29Contact: linux-scsi@vger.kernel.org
30Description: 16-byte local SRP port identifier in hexadecimal format. An
31 example: 4c:49:4e:55:58:20:56:49:4f:00:00:00:00:00:00:00.
32
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33What: /sys/class/srp_remote_ports/port-<h>:<n>/reconnect_delay
34Date: February 1, 2014
35KernelVersion: 3.13
36Contact: linux-scsi@vger.kernel.org, linux-rdma@vger.kernel.org
37Description: Number of seconds the SCSI layer will wait after a reconnect
38 attempt failed before retrying. Setting this attribute to
39 "off" will disable time-based reconnecting.
40
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41What: /sys/class/srp_remote_ports/port-<h>:<n>/roles
42Date: June 27, 2007
43KernelVersion: 2.6.24
44Contact: linux-scsi@vger.kernel.org
45Description: Role of the remote port. Either "SRP Initiator" or "SRP Target".
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46
47What: /sys/class/srp_remote_ports/port-<h>:<n>/state
48Date: February 1, 2014
49KernelVersion: 3.13
50Contact: linux-scsi@vger.kernel.org, linux-rdma@vger.kernel.org
51Description: State of the transport layer used for communication with the
52 remote port. "running" if the transport layer is operational;
53 "blocked" if a transport layer error has been encountered but
54 the fast_io_fail_tmo timer has not yet fired; "fail-fast"
55 after the fast_io_fail_tmo timer has fired and before the
56 "dev_loss_tmo" timer has fired; "lost" after the
57 "dev_loss_tmo" timer has fired and before the port is finally
58 removed.