07-12-2019
What does "force devmap reload" as in "multipath -r" means for my system and stability of my system?
Cannot present unpresented disks back again. On a test server tried this as a solution "multipath -r" and it worked. Too worried to try it in production before I know all the information.
Any info would be appreciated!
Also some links to the documentation on this specific issue could help a lot. Couldn't find it myself.
There are more that 42 disks in production, I want to add 5 more. They've been unpresented before.
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LEARN ABOUT SUNOS
ifparse
ifparse(1M) System Administration Commands ifparse(1M)
NAME
ifparse - parse ifconfig command line
SYNOPSIS
/sbin/ifparse [-fs] addr_family commands
DESCRIPTION
Use the ifparse command to parse the ifconfig(1M) command line options and output substrings, one per line, as appropriate. If no options
are specified, ifparse returns the entire ifconfig command line as a series of substrings, one per line.
OPTIONS
The ifparse command supports the following options:
-f Lists only substrings of the ifconfig command line that are relevant to IP network multipath failover
-s Lists only substrings of the ifconfig command line that are not relevant to IP network multipath failover
OPERANDS
The ifparse command does not support the interface operand of the ifconfig command.
EXAMPLES
Example 1: Parsing Command Line Options Relevant to Failover
The following example shows the use of the ifparse command to parse the command line options relevant to IP network multipath failover:
example# ifparse -f inet 1.2.3.4 up group one addif 1.2.3.5 -failover up
set 1.2.3.4 up
Example 2: Parsing Command Line Options That Are Not Relevant to Failover
The following example shows the use of the ifparse command to parse the command line options that are not relevant to IP network multipath
failover:
example# ifparse -s inet 1.2.3.4 up group one addif 1.2.3.5 -failover up
group one
addif 1.2.3.5 -failover up
Example 3: Parsing the Command Line For All Options
The following example shows the use of the ifparse command to parse the command line for all ifconfig options:
example# ifparse inet 1.2.3.4 up group one addif 1.2.3.5 -failover up
group one
set 1.2.3.4 up
addif 1.2.3.5 -failover up
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsr |
+-----------------------------+-----------------------------+
|Stability Level |Obsolete |
+-----------------------------+-----------------------------+
SEE ALSO
ifconfig(1M), attributes(5)
DIAGNOSTICS
usage: -fs <addr_family> <commands>
This message indicates an invalid command line.
ifparse: Not enough space
This message indicates insufficient memory.
ifparse: dhcp not supported for inet6
DHCP operations are not supported for the inet6 address family.
ifparse: Operation <operation> not supported for <addr_family>
Most operations cannot be used with all address families. For example, the broadcast operation is not supported on the inet6 address fam-
ily.
ifparse: no argument for <operation>
Some operations, for example broadcast, require an argument.
NOTES
The ifparse command is classified as an obsolete interface. It will likely be removed in a future release. You should not develop applica-
tions that depend upon this interface.
SunOS 5.10 9 May 2001 ifparse(1M)