SRP_TMO_VALID(9) SCSI mid layer SRP_TMO_VALID(9)NAME
srp_tmo_valid - check timeout combination validity
int srp_tmo_valid(int reconnect_delay, int fast_io_fail_tmo, int dev_loss_tmo);
-- undescribed --
-- undescribed --
-- undescribed --
The combination of the timeout parameters must be such that SCSI commands are finished in a reasonable time. Hence do not allow the fast
I/O fail timeout to exceed SCSI_DEVICE_BLOCK_MAX_TIMEOUT. Furthermore, these parameters must be such that multipath can detect failed paths
timely. Hence do not allow all three parameters to be disabled simultaneously.
James Bottomley <James.Bottomley@hansenpartnership.com>
Rob Landley <email@example.com>
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 SRP_TMO_VALID(9)
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vparutil - get and set SCSI parameters for SCSI controllers from a virtual partition
dev_path scsi_id] scsi_rate]
The command gets and sets SCSI parameters for SCSI controllers within a running virtual partition. When setting the SCSI parameters using
the option, the virtual partition which owns the specified SCSI controller must be in the down state. If not, the command will fail with
the appropriate error code.
The SCSI parameters for a given SCSI controller must first be set (from the firmware BCH prompt or using the option) before the parameters
can be retrieved using the option.
The command is allowed on Itanium(R)-based platforms for compatibility. No action is taken for the command.
recognizes the following command-line options:
Deletes an entry for the specified SCSI controller at
dev_path from the SCSI table.
Gets the SCSI parameters for the specified SCSI controller at
Sets the SCSI parameters for the specified SCSI controller at
recognizes the following command-line operands:
dev_path The device path of the SCSI controller.
id The SCSI ID for the specified controller (defaults to 7).
rate The SCSI rate for the specified controller. This parameter can have one of two values: for the corresponding fast wide and
ultra wide SCSI interfaces.
For managing SCSI controllers, use corresponding SCSI utilities. For further information refer to
This command is restricted to processes owned by superuser.
When virtual partition flexible administrative capability is enabled, only a Designated-Admin vPar can set SCSI parameters for SCSI con-
Set the SCSI ID for controller at 0/0/2/0 to 3 with the fast wide rate:
Invalid SCSI controller specification.
Invalid SCSI ID.
Could not communicate with virtual partition monitor.
Virtual partition which owns SCSI controller is not in down state.
Internal firmware call failed.
was developed by the Hewlett-Packard Company.
SEE ALSO vparadmin(1M), vparboot(1M), vparcreate(1M), vparconfig(1M), vpardump(1M), vparefiutil(1M), vparenv(1M), vparextract(1M), vparmodify(1M),
vparreloc(1M), vparremove(1M), vparreset(1M), vparstatus(1M), vparresources(5), vpartition(5), vpmon(5).
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