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Manual Pages for UNIX Operating System command usage for man cfgadm_fp

System Administration Commands cfgadm_fp(1M)

NAME

cfgadm_fp - driver specific commands for cfgadm

SYNOPSIS

/usr/sbin/cfgadm [-f] [-n | -y] [-v] [-o hardware_options]

-c function ap_id [ap_id]

/usr/sbin/cfgadm [-v] [-a] [-s listing_options]

[-o hardware_options] [-l [ap_id]]

/usr/sbin/cfgadm [-v] [-o hardware_options] -h [ap_id]

DESCRIPTION

The fp port driver plug-in /usr/lib/cfgadm/fp.so.1 provides

the functionality for Fibre Channel Fabric device node management through cfgadm(1M). cfgadm operates on attachment points. Attachment points are locations in the system where hardware resources can be dynamically reconfigured. Refer to cfgadm(1M) for additional details on attachment points. For Fibre Channel Fabric device node management, each fp

port node is represented by an attachment point in the dev-

ice tree. In addition, each Fibre Channel device is represented by a dynamic attachment point. Attachment points

are named through ap_ids. Two types of ap_ids are defined:

logical and physical. The physical ap_id is based on the

physical pathname. The logical ap_id is a shorter, more

user-friendly name. For fp port nodes, the logical ap_id is

the corresponding disk controller number. For example, c0 is

a typical logical ap_id.

Fibre Channel devices are named with a port World Wide Name (WWN). If a disk device is connected to controller c0, its

ap_id can be:

c0::50020f2300006077 where 50020f2300006077 identifies the port WWN of a specific Fibre Channel device. Each device on the Fibre Channel private loop port, Fabric port or public loop port is probed and made available to Solaris by default. Devices connected to the Fibre Channel

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System Administration Commands cfgadm_fp(1M)

Fabric port or public loop port can be made unavailable to

Solaris by initiating an application or an end user opera-

tion. The operation is similar to the hot unplugging of dev-

ices by way of management user interfaces. Applications or users can use the /usr/lib/cfgadm/fp.so.1 library to enable libcfgadm to provide interfaces to accomplish this task. The list of currently connected Fabric devices is generated in the form of the attachment point. A simple listing of attachment points in the system includes attachment points at fp port nodes but not Fibre Channel

devices. The following example uses the -a flag to the list

option (-l) to list Fibre Channel devices:

# cfgadm -l

Ap_Id Type Receptacle Occupant Condition

c0 fc-fabric connected configured unknown

c1 fc-private connected configured unknown

c2 fc-pt_to_pt connected configured unknown

c3 fc connected unconfigured unknown sysctrl0:slot0 cpu/mem connected configured ok

sysctrl0:slot1 sbus-upa connected configured ok

The following example lists Fibre Channel devices connected to fp ports.

# cfgadm -al

Ap_Id Type Receptacle Occupant Condition

c0 fc-fabric connected configured unknown

c0::50020f2300006077 disk connected configured unknown c0::50020f23000063a9 disk connected configured unknown c0::50020f2300005f24 disk connected configured unknown c0::50020f2300006107 disk connected configured unknown

c1 fc-private connected configured unknown

c1::220000203708b69c disk connected configured unknown c1::220000203708ba7d disk connected configured unknown c1::220000203708b8d4 disk connected configured unknown c1::220000203708b9b2 disk connected configured unknown

c2 fc-pt_to_pt connected configured unknown

c2::500104f000937528 tape connected configured unknown c3 fc connected unconfigured unknown sysctrl0:slot0 cpu/mem connected configured ok

sysctrl0:slot1 sbus-upa connected configured ok

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System Administration Commands cfgadm_fp(1M)

In this example, the fc-fabric type of ap_id c0 indicates

that the fp port is connected to Fabric. For an fp port with

a Fabric-related type such as fc-fabric and fc-public, dev-

ice node creation happens by default at the boot time and can be managed by the cfgadm configure and unconfigure

operations. The fc-private type of ap_id c1 indicates

that fp port is connected to private-loop and device node

creation happens by default as well. The fc-pt_to_pt type of

ap_id c2 indicates that the fp port is directly connected to

another N_port and device node creation also happens by

default. The fc type of ap_id c3 indicates that nothing is

attached to fp port c2. The Type field of a Fibre Channel

device ap_id shows the SCSI device type of LUN 0 in the dev-

ice.

A Fibre Channel device with multiple FCP SCSI LUNs is con-

figured into Solaris and each FCP SCSI LUN is available as a

Solaris device. Suppose that ap_ids c0::50020f2300006077 and

c0::50020f23000063a9 represent Fibre Channel devices with multiple FCP SCSI LUNs.

The following example shows how to list ap_ids with FCP SCSI

LUN information:

# cfgadm -al -o show_SCSI_LUN

Ap_Id Type Receptacle Occupant Condition

c0 fc-fabric connected configured unknown

c0::50020f2300006077,0 disk connected configured unknown c0::50020f2300006077,1 disk connected configured unknown c0::50020f2300006077,2 disk connected configured unknown c0::50020f2300006077,3 disk connected configured unknown c0::50020f23000063a9,0 disk connected configured unknown c0::50020f23000063a9,1 disk connected configured unknown c0::50020f23000063a9,2 disk connected configured unknown c0::50020f23000063a9,3 disk connected configured unknown c0::50020f2300005f24,0 disk connected unconfigured unknown c0::50020f2300005f24,1 disk connected unconfigured unknown c0::50020f2300006107,0 disk connected unconfigured unknown c0::50020f2300006107,1 disk connected unconfigured unknown

c1 fc-private connected configured unknown

c1::220000203708b69c,0 disk connected configured unknown c1::220000203708ba7d,0 disk connected configured unknown c1::220000203708b8d4,0 disk connected configured unknown c1::220000203708b9b2,0 disk connected configured unknown

c2 fc-pt_to_pt connected configured unknown

c2::500104f000937528,0 tape connected configured unknown c3 fc connected unconfigured unknown

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System Administration Commands cfgadm_fp(1M)

In this example, the ap_id c0::50020f2300006077,0 identifies

the FCP SCSI LUN 0 of the Fibre Channel device which is represented by port WWN 50020f2300006077. The Fibre Channel device is reported to have 4 FCP SCSI LUNs and they are all

configured. 4 FCP SCSI LUN level ap_ids associated with port

WWN 50020f2300006077 are listed. The listing also displays FCP SCSI LUNs for unconfigured Fibre Channel devices. The Fibre Channel device represented by c0::50020f2300005f24 is reported to have two FCP SCSI LUNs. The configure operation on c0::50020f2300005f24 creates two Solaris devices. The

Type field of FCP SCSI LUN level ap_ids show the SCSI device

type of each LUN. When a Fibre Channel device has different device type LUNs, the Type field reflects that. The receptacle and occupant state for attachment points at the fp port have the following meanings: configured One or more devices configured on the fp port connected fp port active disconnected fp port quiesced (IO activity is suspended) empty Not applicable unconfigured No devices configured on the fp port The state for individual Fibre Channel devices on an fp port: configured Device is configured into Solaris and is available for use

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System Administration Commands cfgadm_fp(1M)

connected fp port to which the device is connected to is active disconnected fp port to which the device is attached is quiesced unconfigured Device is available to be configured The condition field for attachment points at the fp port has the following meanings: failed An error condition has prevented the fp port from being able to detect the presence or type of a Fibre Channel connection. The condition field for individual Fibre Channel devices on an fp port has the following meanings: failed An error is encountered while probing a device on Fabric. failing A device was configured on a host and its state as seen by Solaris appears to be normal (i.e., online) but it is either not currently present or visible in the fabric or

its presence could not be verified due to an error con-

dition on the local port through which the device was configured. unusable A device has been configured on the host, but is currently offline or failed.

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System Administration Commands cfgadm_fp(1M)

The unknown condition indicates that probing a device on Fabric completed without an error and the device state within Solaris host is normal if the device was configured previously. The internal condition of the device cannot be guaranteed. OPTIONS cfgadm defines several types of operations in addition to

listing (-l). These operations include invoking configura-

tion state changes and obtaining configuration administra-

tion help messages (-h).

The following options are supported:

-c function

The following generic commands are defined for the fp-

transport-specific library:

For Fibre Channel device attachment points on the fc-

fabric type fp port attachment point, the following con-

figuration state change operations are supported: configure Configure a connected Fibre Channel Fabric device to a host. When a Fibre Channel device is listed as an unknown type in the output of the list operation the device might not be configurable. No attempt is made to configure devices with unknown types. The force

option (-f) can be used to force the fp port driver

plug-in to make an attempt to configure any devices.

Any errors in the process are reported. By default, each FCP SCSI LUN that is discovered on a Fibre channel Fabric device is configured. However, FCP

SCSI LUNs that are specified in the "pwwn-lun-

blacklist" property in the fp.conf file will remain unconfigured. The FCP SCSI LUN level listing reflects the state of such FCP SCSI LUNs. They stay in the "unconfigured" state after reboot or Solaris Dynamic Reconfiguration on the controller that they

are connected through. Refer to fp(7D) for addi-

tional details on the "pwwn-lun-blacklist" property.

unconfigure Unconfigure a Fibre Channel Fabric device from a host. This device stays unconfigured until the next reboot or Solaris Dynamic Reconfiguration on the controller that the device is connected, at which

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System Administration Commands cfgadm_fp(1M)

time all fabric devices are automatically enumerated. The default behavior may be changed

through the use of the "manual_configuration_only"

property in the fp.conf file. If the property is set, the device remains unconfigured after reboot. Refer to fp(7D) for additional details on the

"manual_configuration_only" property.

For Fibre Channel private loop devices and N_Port

point-to-point devices, the configure command returns

success without doing any operation. The unconfigure command is not supported on the private loop devices and

N_Port point-to-point devices. The private loop devices

and N_Port point-to-point devices are configured by

Solaris Fibre Channel drivers by default and are not

managed through end user- or application-initiated

operations. The pwwn-lun-blacklist property in the

fp.conf file is applied to the private loop device and

N_Port point-to-point device in the same way it is

applied to a Fabric device.

-f

Force the configure change state operation to occur irrespective of the condition or type. Refer to the

above description of the configure change state opera-

tion.

-h ap_id

Obtain fp-transport-specific help. Specify any fp

attachment point.

-o hardware_options

The following hardware options are supported.

show_SCSI_LUN

Lists ap_ids associated with each FCP SCSI LUN for

discovered Fibre Channel devices when specified with

the list option -al. Refer to the previously men-

tioned description and example of FCP SCSI LUN level listing. Device node creation is not supported on the FCP SCSI LUN level. See NOTES. All Fibre Channel devices are available to Solaris by

default. Enabling only a subset of Fabric devices avail-

able to Solaris by default can be accomplished by

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System Administration Commands cfgadm_fp(1M)

setting the property "manual_configuration_only" in

/kernel/drv/fp.conf file. When

"manual_configuration_only" in fp.conf is set, all

Fabric devices are not available to Solaris unless an application or an end user had previously requested the

device be configured into Solaris. The configure state-

change command makes the device available to Solaris.

After a successful configure operation on a Fabric dev-

ice, the associated links are added to the /dev

namespace. The unconfigure state-change command makes a

device unavailable to Solaris.

When a Fibre Channel Fabric device is configured suc-

cessfully to a host using the -c configure operation,

its physical ap_id is stored in a repository. When a

Fibre Channel Fabric device is unconfigured using the -c

unconfigure operation, its physical ap_id is deleted

from the same repository. All fabric devices are automatically enumerated by default and the repository

is used only if the fp.conf "manual_configuration_only"

property is set. Refer to fp(7D) for additional details

on the "manual_configuration_only" property.

You can specify the following commands with the -c

option to control the update behavior of the repository:

force_update

For configure, the attachment point is uncondition-

ally added to the repository; for unconfigure, the attachment point is unconditionally deleted.

no_update

No update is made to the repository regardless of the operation. These options should not be used for normal configure and unconfigure operations. See WARNINGS. When a Fibre Channel device has multiple FCP SCSI LUNs configured and any Solaris device associated with its FCP SCSI LUN is in the unusable condition, the whole

Fibre Channel device is reported as unusable. The fol-

lowing option with the -c unconfigure command removes

only Solaris devices with the unusable condition for a Fibre Channel device.

unusable_SCSI_LUN

For unconfigure operation, any offlined device nodes

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System Administration Commands cfgadm_fp(1M)

for a target device is removed.

-s listing_options

Refer to cfgadm(1M) for usage information.

-t ap_id

No test commands are available at present.

-x hardware_function

No hardware specific functions are available at present. All other options have the same meaning as defined in the cfgadm(1M) man page.

EXAMPLES

Example 1 Unconfiguring a Disk The following command unconfigures a disk:

# cfgadm -c unconfigure c0::210000203708b606

Example 2 Unconfigure all the Configured Disks under Single Attachment Point The following command unconfigures all configured disks under the attachment point c0.

# cfgadm -c unconfigure c0

Example 3 Configuring a Disk The following command configures a disk:

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System Administration Commands cfgadm_fp(1M)

# cfgadm -c configure c0::210000203708b606

Example 4 Configure all the Unconfigured Disks under Single Attachment Point The following command configures all unconfigured disks under the attachment point c0.

# cfgadm -c configure c0

Example 5 Removing the Fibre Channel Fabric Device Attach-

ment Point from Repository The following command unconditionally removes the fibre

channel fabric device attachment point from the Fabric dev-

ice repository.

# cfgadm -c unconfigure -o force_update c0::210000203708b606

Example 6 Removing Offlined Solaris Device Nodes for a Tar-

get Device The following command removes offlined Solaris device nodes for a target device:

# cfgadm -c unconfigure -o unusable_SCSI_LUN c0::210000203708b606

FILES /usr/lib/cfgadm/fp.so.1

Hardware-specific library for Fibre Channel Fabric dev-

ice node management.

/etc/cfg/fp/fabric_WWN_map

Repository of physical ap_ids of Fabric devices

currently configured. It is used only to reconfigure

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System Administration Commands cfgadm_fp(1M)

those Fabric devices at boot time. This repository is

only used when the "manual_configuration_only"

/kernel/drv/fp.conf file is set. /etc/rcS.d/fdevattach

Reconfigures Fabric device(s) of which physical ap_id is

listed in /etc/cfg/fp/fabric_WWN_map on boot time.

ATTRIBUTES

See attributes(5) for descriptions of the following attri-

butes:

____________________________________________________________

| ATTRIBUTE TYPE | ATTRIBUTE VALUE |

| ____________________________|_____________________________|_

| Availability | service/storage/fibre- |

| | channel/fc-fabric, |

| | service/storage/fibre- |

| | channel/fc-fabricx |

|_____________________________|_____________________________|

SEE ALSO

svcs(1), cfgadm(1M), svcadm(1M), config_admin(3CFGADM),

libcfgadm(3LIB), attributes(5), smf(5), fp(7D) WARNINGS

Do not use hardware-specific options for the repository

update under normal configure/unconfigure operations. The

hardware-specific options are expected to be used when the

node creation of a Fabric device fails at boot time and the

error condition is considered to be permanent. The unconfig-

ure command with force_update hardware-specific option

unconditionally removes the attachment point of a failing Fabric device from the repository. NOTES

For devices with unknown or no SCSI device type (for exam-

ple, a Fibre Channel Host Bus Adapter), the configure opera-

tion might not be applicable. The configure and unconfigure commands operate on the Fibre

Channel device level which is represented by port WWN ap_id.

If a Fibre Channel device has multiple FCP SCSI LUNs config-

ured, the configure command on the associated port WWN ap_id

results in creating a Solaris device for each FCP SCSI LUN

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System Administration Commands cfgadm_fp(1M)

unless it is specified in the "pwwn-lun-blacklist" property

in the fp.conf file. The unconfigure command removes all

Solaris devices associated with the port WWN ap_id. The FCP

SCSI LUN level ap_id is not valid for the configure and

unconfigure commands.

The deprecated show_FCP_dev option has been replaced by the

new show_SCSI_LUN option, and the deprecated

unusable_FCP_dev option has been replaced by the new

unusable_SCSI_LUN option.

The cfgadm_fp service is managed by the service management

facility, smf(5), under the service identifier:

svc:/system/device/fc-fabric:default

Administrative actions on this service, such as enabling, disabling, or requesting restart, can be performed using svcadm(1M). The service's status can be queried using the svcs(1) command. No administrative actions on this service are required for Fabric device configuration once this service is started on boot time.

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