HP IO manual Fio-detach device options

Option	Default	Description
	(min/max)
		After the affinity is queried correctly, the driver sets
		the affinity of the adapter interrupt and associated
		worker threads to the default operating system
		setting. This action has the effect of setting the
		affinity of the interrupt and worker threads to all
		processors on a single NUMA node in the system.
		When WIN_DISABLE_DEFAULT_NUMA_AFFINITY
		is set to 1, the driver will ignore the affinity settings
		assigned to the adapter by the OS. The driver must
		be reloaded for this parameter to take effect.
FIO_AFFINITY	N/A	FIO_AFFINITY is a list of <affinity
		specification> triplets to specify the affinity
		settings of all adapters in the system. Each item in
		the triplet is separated by a comma, and each
		triplet set is separated by a semicolon. For more
		information on using this parameter, see "NUMA
		configuration (on page 67)."

fio-detach

Description

Detaches and removes the corresponding /dev/fctx IO Accelerator block device. The fio-detachcommand waits until the device completes all read/write activity before executing the detach process. The command displays a progress bar and percentage as it completes the process.

NOTE: Before using this utility, be sure that the device you want to detach is not currently mounted and in use.

Syntax

fio-detach <device> [options]

where <device> is the name given to the IO Accelerator during the installation process. The syntax is /dev/fctx, where x indicates the PCIe bus number where you installed the IO Accelerator. For example, the name /dev/fct4 refers to the IO Accelerator device installed in PCIe Bus 4 in your Windows® operating system. To view this bus number, use the IO Accelerator Management Tool or fio-status.

You can specify multiple IO Accelerator devices. For example, /dev/fct1 /dev/fct2 indicates the devices installed in PCIe Buses 1 and 2 in your Windows® operating system.

Options

Option	Description
-f	Force: Causes an immediate detach (does not save metadata).
-i	Immediate: Causes a forced immediate detach (does not save metadata). This will fail if the device
	is in use by the OS.
-q	Quiet: Disables the display of the progress bar and percentage.

Utilities 45