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iscsi - manage iSCSI service
iscsi alias [-c | <new_alias>]
iscsi connection show [-v] [ {new | <session_tsih>}
<conn_id>]
iscsi initiator show
iscsi interface accesslist add [-f] <initiator_name> {-a
| <interface> ...}
iscsi interface accesslist remove [-f] <initiator_name>
{-a | <interface> ...}
iscsi interface accesslist show [ { -a | <initiator_name>
...} ]
iscsi interface enable {-a | <interface> ...}
iscsi interface disable [-f] {-a | <interface> ...}
iscsi interface show [-a | <interface> ...]
iscsi isns config <hostname> | <ip_addr>
iscsi isns show
iscsi isns start
iscsi isns stop
iscsi isns update
iscsi nodename [<new_nodename>]
iscsi portal show
iscsi security add -i <initiator> -s CHAP -p <inpassword>
-n <inname> [ -o <outpassword> -m <outname> ]
iscsi security add -i <initiator> -s { deny | none }
iscsi security default -s CHAP -p <inpassword> -n <inname>
[ -o <outpassword> -m <out_name>
]
iscsi security default -s { deny | none }
iscsi security delete -i <initiator>
iscsi security generate
iscsi security show
iscsi session show [-v | -t | -p | -c] [<session_tsih>
...]
iscsi start
iscsi stats [-z | -a | ipv4 | ipv6]
iscsi status
iscsi stop
iscsi tpgroup add [-f] <tpgroup_name> [<interface> ...]
iscsi tpgroup create [-f] [-t <tpgtag>] <tpgroup_name>
[<interface> ...]
iscsi tpgroup destroy [-f] <tpgroup_name>
iscsi tpgroup remove [-f] <tpgroup_name> [<interface> ...]
iscsi tpgroup show
iscsi tpgroup alua show
iscsi tpgroup alua set <tpgroup_name> { optimized | nonoptimized
} [preferred]
iscsi ip_tpgroup add [-f] <tpgroup_name> [<IP address>
...]
iscsi ip_tpgroup create [-f] [-t <tpgtag>] <tpgroup_name>
[<IP Address> ...]
iscsi ip_tpgroup destroy [-f] <tpgroup_name>
iscsi ip_tpgroup remove [-f] <tpgroup_name> [<IP Address>
...]
iscsi ip_tpgroup show
iSCSI is a transport protocol which allows standard SCSI
block access over a TCP/IP network. When the iSCSI service
is licensed and enabled, Network Appliance filer can
operate as an iSCSI target device.
The iscsi command manages the iSCSI service on a filer,
and is available only if your filer has iSCSI licensed.
Using the iscsi command, you may set the iSCSI nodename
and target alias, and start or stop the iSCSI service, and
display initiators currently connected to a the filer.
You may also manage iSCSI use of filer network interfaces,
configure security parameters, and dump iSCSI statistics.
Filer Nodename and Alias
Under the iSCSI protocol, each iSCSI target device is
assigned a nodename which is unique within the operational
domain of the end user. The protocol also allows an
administrator to assign a user-friendly target alias
string for the device, for ease of identification in user
interfaces.
The nodename and alias subcommands are used to manage the
filer's nodename and target alias.
iscsi nodename [<new_nodename>]
Set the iSCSI target nodename of the filer to
new_nodename, if specified. Otherwise, display the
current iSCSI target nodename of the filer.
iscsi alias [-c | <new_alias>]
Set the iSCSI target alias of the filer to
new_alias, if specified. Clear the target alias if
the -c option is specified. Otherwise, display the
current iSCSI target alias of the filer.
Service State
When the iSCSI service is licensed, the filer administrator
may use the start and stop subcommands to control
whether the filer accepts new incoming iSCSI requests.
iscsi start
Starts the iSCSI service if it is not already running.
iscsi stop
Stops the iSCSI service if it is running; this
causes any active iSCSI sessions to be shutdown.
iscsi status
Displays current status of the iSCSI service.
iSCSI Activity
When the iSCSI service is running, the filer is actively
accepting new iSCSI connections and servicing incoming
iSCSI requests from connected initiators. The initiator,
stats, session, and connection subcommands are used to
monitor the filer's iSCSI activity.
iscsi initiator show
Display a list of initiators currently connected to
the filer. Information displayed for each initiator
includes the Target Session ID Handle (TSIH)
assigned to the session, the target portal group
number to which the initiator is connected, the
iSCSI initiator alias (if provided by the initiator),
and the initiator's iSCSI nodename and Initiator
Session ID (ISID).
iscsi stats [-z | -a | ipv4 | ipv6]
Display the current iSCSI statistics. Statistics
displayed include the different iSCSI PDU types
transmitted and received, SCSI CDB's processed, and
various iSCSI errors which may occur.
If the -z option is given, all iSCSI statistics are
zeroed.
If the -a option is given, the output contains the
iSCSI statistics for ipv4, ipv6 and the total.
If the ipv4 option is given, the output contains
the iSCSI statistics only for ipv4.
If the ipv6 option is given, the output contains
the iSCSI statistics only for ipv6.
iscsi session show [-v | -t | -p | -c] [<session_tsih>
...]
Show status of specified session, or for all sessions
if no sessions are specified.
If the -t option is specified, the output contains
underlying TCP connection information.
If the -p option is specified, the output contains
iSCSI session parameter information.
If the -c option is specified, the output contains
information about the iSCSI commands which are in
progress on the session.
If the -v option is specified, the output is verbose,
and contains all information, including that
shown with the -t, -p, and -c options.
Status information displayed includes:
Initiator name, ISID - The iSCSI nodename and iSCSI
Initiator Session ID, which combine to identify the
initiator using this session.
TCP connections - The local and remote IP
addresses, TCP ports, and filer network interface
used for each underlying TCP connection. for each
connection.
Session Parameters - iSCSI session parameters negotiated
via the iSCSI login key exchanges. For specific
definitions of these parameters, please see
the iSCSI protocol specification.
iscsi connection show [-v] [ {new | <session_tsih>}
<conn_id>]
Show status of one connection, or for all connections
if no connection is specified. A connection
may be one of the connections which compose an
active iSCSI session, or it may be a new connection
which has not yet completed the iSCSI login
sequence.
If the -v option is specified, the output is verbose.
Status information displayed includes:
Connection name - session_tsih/connection_id for
connections associated with active sessions;
new/connection_num for new connections not yet
associated with a session.
Connection state - State of this connection (e.g.
Login_In_Progress, Full_Feature_Phase, Shutdown_In_Progress).
TCP connections - The local and remote IP addresses
and TCP ports of the underlying TCP connections,
and the filer interface used for the connection
(verbose mode only).
Network Interface Management
The filer may be accessed as an iSCSI target device over
any or all of the filer's network interfaces. The iscsi
interface command allows the administrator to control
which network interfaces may be used for iSCSI connectivity.
For example, an administrator may wish to configure
a filer to support iSCSI access only through the filer's
Gigabit Ethernet interfaces.
When the iscsi service is enabled, ONTAP will accept iSCSI
connections and requests over those network interfaces
enabled for iSCSI use via the iscsi interface command, but
not over disabled interfaces. When the iscsi service is
stopped, ONTAP will not accept iSCSI connections or
requests over any interface, regardless of its enable/disable
state.
iscsi interface show [-a | <interface> ...]
Show the enable/disable state of the specified
interfaces, or of all interfaces if -a is specified.
If no arguments are specified, the state of
all interfaces is displayed.
iscsi interface enable { -a | <interface> ... }
Enable the specified interfaces for iSCSI service.
If -a is specified, all interfaces are enabled for
iSCSI use.
Once enabled, new iSCSI connections will be
accepted, and iSCSI requests serviced, over the
newly enabled interfaces.
iscsi interface disable [-f] { -a | <interface> ... }
Disable the specified interfaces for iSCSI service.
If -a is specified, all interfaces are disabled for
iSCSI use.
The process of disabling an interface requires termination
of any outstanding iSCSI connections and
sessions currently using that interface. The command
prompts for confirmation if any active sessions
will be affected, unless the -f flag is
specified.
Once disabled, ONTAP rejects subsequent attempts to
establish new iSCSI connections over the newly disabled
interfaces.
Network Interface Accesslist Management
The iscsi interface command, as described above, controls
access to an interface for all initiators. With the iscsi
interface accesslist subcommand, the administrator can
restrict an initiator to certain network interfaces. This
is useful in environments where a particular initiator
cannot access all of the network interfaces on a filer,
for example in configurations that use IEEE 802.1Q Virtual
LANs (VLANs).
An accesslist for an initiator is a list of network interfaces
that the initiator is allowed to use for iSCSI
logins. Accesslists are recorded as part of the filer
configuration and are preserved across reboots. In addition,
separate accesslists are maintained for each vfiler.
The rules for accesslists are:
* If a network interface is disabled for iSCSI use (via
iscsi interface disable), then it is not accessible to
any initiator regardless of any accesslists in effect.
* If there is no accesslist for a particular initiator,
then that initiator can access any iSCSI-enabled network
interface.
* If there is an accesslist for a particular initiator,
then that initiator can only login to network interfaces
in its accesslist. Furthermore, the initiator cannot
discover IP addresses to which it does not have access.
If an initiator logs into an accessible network interface
for a discovery session and sends an iSCSI SendTargets
command, the filer will respond with a list of network
portals that includes only IP addresses from network
interfaces that are in its accesslist.
* If an initiator has no accesslist and an iscsi interface
accesslist add command is invoked for that initiator, an
accesslist is created. If an initiator has an
accesslist and all of its interfaces are removed via an
iscsi interface accesslist remove operation, then the
accesslist itself is deleted.
* Creating or modifying an accesslist may require shutting
down existing iSCSI sessions associated with network
interfaces that no longer appear on the accesslist. For
example, creating a new accesslist via the add operation
may cause sessions to be shut down on network interfaces
that are not in the new accesslist. Likewise, removing
network interfaces from an existing accesslist via the
remove operation may also cause sessions to be shut
down. The add and remove subcommands warn the user if
iSCSI sessions could be affected. Note that adding all
interfaces (add -a) and removing all interfaces (remove
-a) will not affect any iSCSI sessions.
The following subcommands manage accesslists:
iscsi interface accesslist show [ { -a | <initiator_name>
...} ]
Show the accesslist for each of the named initiators
(or all initiators if -a is specified).
iscsi interface accesslist add [-f] <initiator_name> {-a
| <interface> ...}
Add the named network interfaces (or all interfaces
if -a is specified) to the accesslist for the specified
initiator. If there is no accesslist, one
will be created.
This command prompts for confirmation if any active
sessions will be affected, unless the -f flag is
specified.
iscsi interface accesslist remove [-f] <initiator_name>
{-a | <interface> ...}
Remove the named network interfaces (or all interfaces
if -a is specified) from the accesslist for
the specified initiator. If this command leaves
the initiator's accesslist empty, the accesslist
itself is removed.
This command prompts for confirmation if any active
sessions will be affected, unless the -f flag is
specified.
Target Portal Group Management
As an iSCSI target device, a filer receives iSCSI requests
over any or all of its network interfaces. Each network
interface is assigned to an iSCSI target portal group.
The iscsi tpgroup command is used to manage the
assignment of a filer's network interfaces to target
portal groups. The administrator may create
user-defined target portal groups containing a specific
set of filer network interfaces. Any interface
which is not part of a user-defined target
portal group is assigned by ONTAP to a system
default tpgroup.
Use the iscsi ip_tpgroup command to manage the
assignment of a vFiler's IP Addresses to target
portal groups. The administrator may create userdefined
target portal groups containing a specific
set of vFiler's IP Addresses. Data ONTAP assigns
any IP Address that is not part of a user-defined
target portal group to the system default
ip_tpgroup.
The administrator should take into account the following
factors, imposed by the iSCSI protocol, when
assigning interfaces to target portal groups:
1) All TCP connections within an iSCSI session must
use interfaces within the same target portal group.
2) A given initiator may have no more than one
iSCSI session in progress to the filer through a
specific target portal group.
The iscsi portal command may be used to display the
list of portals (IP address/TCP port number), and
their portal group assignments, over which the
filer operates the iSCSI service. The contents of
the portal list depends on the enable/disable state
and the IP addresses configured on the filer's network
interfaces, plus the target portal group
assignment for each interface.
iscsi tpgroup show
Display the filer's list of target portal groups,
both user-defined and system default.
iscsi tpgroup create [-f] [-t <tpgtag>] <tpgroup_name>
[<interface> ...]
Create a user-defined target portal group. If one
or more network interfaces are provided, add those
interfaces to the group.
If a target portal group tag is specified, that
tpgtag is assigned to the created group; otherwise,
a tpgtag is automatically assigned.
Reassigning network interfaces may result in termination
of sessions already in progress on those
interfaces. The command prompts for confirmation
if any active sessions will be affected, unless the
-f flag is specified.
iscsi tpgroup add [-f] <tpgroup_name> [<interface> ...]
Add interfaces to a user-defined target portal
group.
Reassigning network interfaces may result in termination
of sessions already in progress on those
interfaces. The command prompts for confirmation
if any active sessions will be affected, unless the
-f flag is specified.
iscsi tpgroup remove [-f] <tpgroup_name> [<interface> ...]
Remove interfaces from a user-defined target portal
group. The interfaces are assigned by ONTAP back
to their system default tpgroups.
Reassigning network interfaces may result in termination
of sessions already in progress on those
interfaces. The command prompts for confirmation
if any active sessions will be affected, unless the
-f flag is specified.
iscsi tpgroup destroy [-f] <tpgroup_name>
Destroy a user-defined target portal group. Any
network interfaces which are members of the tpgroup
are assigned by ONTAP back to their system default
tpgroups.
Reassigning network interfaces may result in termination
of sessions already in progress on those
interfaces. The command prompts for confirmation
if any active sessions will be affected, unless the
-f flag is specified.
iscsi ip_tpgroup show
Display the vFiler's list of IP-based target portal
groups, both user-defined and system default.
iscsi ip_tpgroup create [-f] [-t <tpgtag>] <tpgroup_name>
[<IP Address> ...]
Create a user-defined IP-based target portal group.
If one or more IP Addresses are provided, add those
IP Addresses to the group.
If a target portal group tag is specified, that
tpgtag is assigned to the created group; otherwise,
a tpgtag is automatically assigned.
Reassigning IP Addresses may result in termination
of sessions already in progress on those IP
Addresses. The command prompts for confirmation if
any active sessions will be affected, unless the -f
flag is specified.
iscsi ip_tpgroup add [-f] <tpgroup_name> [<IP Address>
...]
Add IP Addresses to a user-defined target portal
group.
Reassigning IP Addresses may result in termination
of sessions already in progress on those IP
Addresses. The command prompts for confirmation if
any active sessions will be affected, unless the -f
flag is specified.
iscsi ip_tpgroup remove [-f] <tpgroup_name> [<IP Address>
...]
Remove IP Addresses from a user-defined target portal
group. Data ONTAP assigns the IP Addresses
back to their system default ip_tpgroups.
Reassigning IP Addresses may result in termination
of sessions already in progress on those IP
Addresses. The command prompts for confirmation if
any active sessions will be affected, unless the -f
flag is specified.
iscsi ip_tpgroup destroy [-f] <tpgroup_name>
Destroy a user-defined IP-based target portal
group. Data ONTAP assigns any IP Addresses that
are members of the ip_tpgroup back to their system
default ip_tpgroups.
Reassigning IP Addresses may result in termination
of sessions already in progress on those IP
Addresses. The command prompts for confirmation if
any active sessions will be affected, unless the -f
flag is specified.
iscsi portal show
Display the list of target portals (IP
address, TCP port number) over which the
filer is currently making available the
iSCSI service.
Asymmetric Logical Unit Access (ALUA) management
Data ONTAP supports SCSI ALUA functionality for
managing multi-pathed SCSI devices. ALUA provides
a standardized mechanism for path discovery and
prioritization. Devices are identified by target
port IDs, which are then grouped into target port
- groups
- Each group has a state which, when configured,
enables the host multipathing software to
select the appropriate path priorities when
accessing a LUN.
For iSCSI, ALUA settings are controlled at the
target portal group level using the iscsi tpgroup
alua set command. A target portal group can be configured
to be either optimized or non-optimized; a
host typically uses all the optimized paths
- before
- using any non-optimized paths it may find.
All target portal groups are optimized by default.
There is also an optional preferred setting that
may be used on a target portal group. Check your
host's multipathing software documentation to see
if it supports ALUA and the preferred setting.
ALUA is enabled on Initiator Groups using the
igroup set command. All LUNs mapped to an ALUA
enabled igroup will support ALUA functionality.
iscsi tpgroup alua show
Display the ALUA settings for all iSCSI target
portal groups.
iscsi tpgroup alua set <tpgroup_name> { optimized
non-optimized } [preferred]
Configure ALUA priorities for a target portal
group. If the preferred argument is not
given then the target portal group will not
be configured as preferred.
Security Parameters
ONTAP supports the configuration of default and
per-initiator authentication parameters; these
parameters are used during the iSCSI connection
login phase. Initiators may be allowed access only
after successfully performing the CHAP authentication
procedure; or may be allowed access without
CHAP authentication; or denied access.
iscsi security add -i <initiator> -s CHAP -p
<inpassword>
-n <inname> [ -o <outpassword> -m <outname>
]
Configure the initiator with CHAP as the
authentication method. The -p option is
used to specify the inbound CHAP password
and the -n option to specify the inbound
CHAP username. The -o option is used to
specify the outbound CHAP password and the
-m option is used to specify the outbound
CHAP name. The outbound CHAP password and
username are optional and need to be configured
if mutual authentication is desired.
If the password is not specified on the command
line then the administrator is prompted
for the password twice.
iscsi security add -i <initiator> -s { deny | none
}
Configure the initiator with the authentication
method as deny or none. If the authentication
method is deny then the specified
initiator will be denied access. If the
authentication method is chosen as none then
no authentication would be done for the
specified initiator.
iscsi security default -s CHAP -p <inpassword> -n
<inname>
[ -o <outpassword> -m <outname> ]
Configure the default authentication method
as CHAP. The default authentication parameters
apply to any initiator which is not
configured with a specific authentication
method via the add command.
The -p option is used to specify the inbound
CHAP password and the -n option to specify
the inbound CHAP username. The -o option is
used to specify the outbound CHAP password
and the -m option is used to specify the
outbound CHAP name. The outbound CHAP password
and username are optional and need to
be configured if mutual authentication is
desired. If the password is not specified
on the command line then the administator is
prompted for the password twice.
iscsi security default -s { deny | none }
Configure the default authentication method
as deny or none. The default authentication
parameters apply to any initiator which is
not configured with a specific authentication
method via the add command.
iscsi security delete -i <initiator>
Remove the initiator from the authentication
list. The default authentication would now
be applied for this initiator.
iscsi security show
Display the default authentication and all
the initiator specific authentication information.
iscsi security generate
Generate a 128 bit Random password that can
be used as a CHAP secret.
iSNS Server Registration
ONTAP supports registration with an external iSNS
server. Large-scale installations may choose to
use the iSNS mechanism for centralized management
and automatic device discovery.
The iscsi isns command is used to configure and
manage the filer's interaction with an iSNS server.
iscsi isns config <hostname> | <ip_addr>
Configure the iSNS service with the hostname
or IP address of the iSNS server. The
ip_addr is an Internet address expressed in
the Internet standard dot notation for IPv4
addresses and Standard/Compressed/Mixed
notation for IPv6 addresses. Configuration
of the iSNS service should take place before
the iSNS service is started.
The -i ip_addr option will continue to work
for backwards compatability, but has been
deprecated.
iscsi isns show
Show the iSNS service configuration. This
includes the entity_id_string (EID), the
ip_addr of the iSNS server and if the service
is enabled.
iscsi isns start
Start the iSNS service. This will start the
iSNS service and automatically register with
the iSNS server. It is best to configure
the iSNS service before starting it.
iscsi isns stop
Stop the iSNS service. This will disable
the ability to register with the iSNS server
and to be discovered by iSNS clients.
iscsi isns update
Force an update of the registration information
with the iSNS server.
Each filer in a cluster operates as an independent
iSCSI target device, with its own iSCSI nodename
and alias. During a cluster takeover, the takeover
filer assumes the iSCSI identity of the failed
filer, including its nodename and portals, and services
incoming iSCSI requests on behalf of the
failed filer.
When run from a vfiler context (e.g. via the vfiler
run command), iscsi subcommands operate on the concerned
vfiler with the following exceptions: iscsi
stats subcommand: the statistics displayed apply to
the entire physical filer and not to individual
vfilers; iscsi interface subcommand: filer interfaces
are physical filer attributes; iscsi interface
accesslist subcommand: all filer interfaces
can be added to the accesslist of the vfiler but
the initiator will only be able to access the
interfaces bound to the vfiler's IP addresses;
iscsi tpgroup subcommand: target portal group
assignments apply to the entire filer. iscsi
ip_tpgroup subcommand: IP-based target portal group
assignments are not available on default filer.
Set the iSCSI target nodename to a new value:
filer> iscsi nodename iqn.1992-08.com.vendor:sn.mytarget
Start and stop the iSCSI service:
filer> iscsi start
filer> iscsi stop
Display all initiators currently connected to the
filer:
filer> iscsi initiator show
Initiators connected:
TSIH TPGroup Initiator
26 1001 iqn.1992-08.com.vendor:host1 / 00:00:00:00:00:00
Display current iSCSI statistics:
filer> iscsi stats
iSCSI PDUs Received
SCSI-Cmd: 15236 | Nop-Out: 0 | SCSI TaskMgtCmd: 0
LoginReq: 3 | LogoutReq: 1 | Text Req: 1
DataOut: 0 | SNACK: 0 | Unknown: 0
Total: 15241
iSCSI PDUs Transmitted
SCSI-Rsp: 15173 | Nop-In: 0 | SCSI TaskMgtRsp: 0
LoginRsp: 3 | LogoutRsp: 1 | Text Rsp: 1
Data_In: 60743 | R2T: 0 | Reject: 0
Total: 75921
iSCSI CDBs
DataIn Blocks: 1942288 | DataOut Blocks: 0
Error Status: 0 | Success Status: 15221
Total CDBs: 15221
iSCSI ERRORS
Failed Logins: 1 | Failed TaskMgt: 0
Failed Logouts: 0 | Failed TextCmd: 0
Protocol: 1
Digest: 0
Unexpected session disconnects: 0
PDU discards (outside CmdSN window): 0
PDU discards (invalid header): 0
Total: 2
Disable use of a network interface for the iSCSI
service:
filer> iscsi interface disable e0
filer> iscsi interface show
Interface e0 disabled
Interface e5 enabled
Interface e11a enabled
Interface e11b enabled
Create an accesslist for initiator
iqn.1995-07.com.vendor:host1 with two interfaces:
filer> iscsi interface accesslist add iqn.1995-07.com.vendor:host1 e0 e11a
List target portal groups:
filer> iscsi tpgroup show
TPGTag Name Member Interfaces
1000 e0_default e0
1001 e5_default e5
1002 e11a_default e11a
1003 e11b_default e11b
Create a user-defined target portal group with a
specific target portal group tag:
filer> iscsi tpgroup create -t 10 dev_tpgroup e11a e11b
List network portal over which the filer is conducting
the iSCSI service:
filer> iscsi portal show
Network portals:
IP address TCP Port TPGroup Interface
192.168.10.10 3260 3000 e5
192.168.20.10 3260 4000 e11a
192.168.20.11 3260 4000 e11b
List IP_based target portal groups:
vfiler2@filer> iscsi ip_tpgroup show
TPGTag Name Member IP Addresses
32 user_defined_tp1 (none)
64 user_defined_tp2 192.168.10.10, 192.168.10.11
1007 e10a_default 10.60.155.7
1008 e10b_default 10.60.155.8
4001 10.60.155.104_default 10.60.155.104
Create a user-defined IP-based target portal group
with a specific target portal group tag:
filer> iscsi ip_tpgroup create -t 64 user_defined_tp2 192.168.10.10, 192.168.10.11
Add initiator iqn.1995-07.com.vendor:host1 to the
configuration list with CHAP as the authentication
method, pass as the CHAP password, and name as the
CHAP name:
filer> iscsi security add -i iqn.1995-07.com.vendor:host1 -s CHAP -p pass -n name
Do not allow access by initiator
eui.123456789abcdef0:
filer> iscsi security add -i eui.123456789abcdef0 -s deny
Display the configured security parameters:
filer> iscsi security show
Set the default security method as CHAP with pass
as the CHAP password and name as CHAP name:
filer> iscsi security default -s CHAP -p pass -n name
Show the configuration of the iSNS service:
filer> iscsi isns show
iSNS Entity id: entity1
iSNS Server ip-addr: 192.168.1.1
iSNS Status: Enabled
Start or stop the iSNS service:
filer> iscsi isns start
filer> iscsi isns stop
Configure the iSNS service using the hostname or IP
address of the iSNS server:
filer> iscsi isns config server.foo.com
filer> iscsi isns config 192.168.1.1
na_vfiler(1), na_igroup(1), na_fcp(1), na_lun(1),
na_san(1)
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