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How to recreate the missing symbolic links for a Veritas Array Support Library (ASL) not listed by 'vxddladm listversion'

Article: 100038082

Last Published: 2014-01-02

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Product(s): InfoScale & Storage Foundation

Description

This document attempts to explain the steps required to recreate the missing symbolic links for Veritas Array Support Library (ASL) related files that are not listed by the CLI command vxddladm listversion.

What is an Array Support Library?

An ASL is a small library written either by VERITAS or by an array vendor that does the work of identifying an array and telling DMP how to use the devices that are present in the array. By splitting the discovery and path fail over routines into a separate library we can add support for new arrays without changing the base VxVM package.

The ASL libraries are installed in /etc/vx/lib/discovery.d.

There is a corresponding ASL related key file installed in /etc/vx/aslkey.d .

Note: Without the applicable ASL related files, the specific disks will be claimed under the generic DMP enclosure category.

Steps

1.] cd /etc/vx/aslkey.d

2.] Confirm if the symbolic link is present for the required ASL key file.

3.] If the symbolic link is missing, recreate it as follows:

Sample syntax

# ln -s /etc/vx/aslkey.d/libvxemc.key.1 libvxemc.key

4.] cd /etc/v/lib/discovery.d

5.] If the symbolic link is missing for the ASL library, recreate it as follows:

Sample syntax

# ln -s /etc/vx/lib/discovery.d/libvxemc.so.1 libvxemc.so

6.] Following the above changes to the aslkey.d and discovery.d directories, restart the Veritas Volume Manager vxconfigd daemon for the ASL updates to be detected.

# vxconfigd -k

Example

The EMC ASL libvxemc.so is not listed with the CLI command vxddladm listversion. As a result the EMC Symmetrix luns will not be claimed by the required ASL.

# vxddladm listversion output
LIB_NAME ASL_VERSION Min. VXVM version =================================================================== libvx3par.so vm-5.0-rev-1 5.0 libvxCLARiiON.so vm-5.0-rev-3 5.0 libvxhds9980.so vm-5.0-rev-1 5.0 libvxhdsalua.so vm-5.0-rev-2 5.0 libvxhdsusp.so vm-5.0-rev-2 5.0 libvxhpalua.so vm-5.0-rev-1 5.0 libvxhpmsa.so vm-5.0-rev-2 5.0 libvxibmds4k.so vm-5.0-rev-2 5.0 libvxibmds6k.so vm-5.0-rev-2 5.0 libvxibmds8k.so vm-5.0-rev-1 5.0 libvxpp.so vm-5.0-rev-1 5.0 libvxxp1281024.so vm-5.0-rev-1 5.0 libvxxp12k.so vm-5.0-rev-2 5.0

In the above instance the symbolic link for the libvxemc.key file does not exist in the directory /etc/vx/aslkey.d.

Output prior to recreating the missing symbolic link

# ll
total 84 lrwxrwxrwx 1 root root 32 Jul 26 2011 libvx3par.key -> /etc/vx/aslkey.d/libvx3par.key.1 -r-xr-xr-x 1 root sys 96 Feb 26 2010 libvx3par.key.1 lrwxrwxrwx 1 root root 36 Jul 26 2011 libvxCLARiiON.key -> /etc/vx/aslkey.d/libvxCLARiiON.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxCLARiiON.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxcscovrts.key.1 -r-xr-xr-x 1 root sys 96 Feb 26 2010 libvxemc.key.1 -r-xr-xr-x 1 root sys 96 Feb 26 2010 libvxhds.key.1 lrwxrwxrwx 1 root root 35 Jul 26 2011 libvxhds9980.key -> /etc/vx/aslkey.d/libvxhds9980.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxhds9980.key.1 lrwxrwxrwx 1 root root 35 Jul 26 2011 libvxhdsalua.key -> /etc/vx/aslkey.d/libvxhdsalua.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxhdsalua.key.1 lrwxrwxrwx 1 root root 34 Jul 26 2011 libvxhdsusp.key -> /etc/vx/aslkey.d/libvxhdsusp.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxhdsusp.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxhitachi.key.1 lrwxrwxrwx 1 root root 34 Jul 26 2011 libvxhpalua.key -> /etc/vx/aslkey.d/libvxhpalua.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxhpalua.key.1 lrwxrwxrwx 1 root root 33 Jul 26 2011 libvxhpmsa.key -> /etc/vx/aslkey.d/libvxhpmsa.key.1 -r-xr-xr-x 1 root sys 96 Feb 26 2010 libvxhpmsa.key.1 lrwxrwxrwx 1 root root 35 Jul 26 2011 libvxibmds4k.key -> /etc/vx/aslkey.d/libvxibmds4k.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxibmds4k.key.1 lrwxrwxrwx 1 root root 35 Jul 26 2011 libvxibmds6k.key -> /etc/vx/aslkey.d/libvxibmds6k.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxibmds6k.key.1 lrwxrwxrwx 1 root root 35 Jul 26 2011 libvxibmds8k.key -> /etc/vx/aslkey.d/libvxibmds8k.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxibmds8k.key.1 lrwxrwxrwx 1 root root 30 Jul 26 2011 libvxpp.key -> /etc/vx/aslkey.d/libvxpp.key.1 -r-xr-xr-x 1 root sys 96 Feb 26 2010 libvxpp.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxpurple.key.1 -r-xr-xr-x 1 root sys 96 Feb 26 2010 libvxshark.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxveritas.key.1 lrwxrwxrwx 1 root root 37 Jul 26 2011 libvxxp1281024.key -> /etc/vx/aslkey.d/libvxxp1281024.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxxp1281024.key.1 lrwxrwxrwx 1 root root 33 Jul 26 2011 libvxxp12k.key -> /etc/vx/aslkey.d/libvxxp12k.key.1 -r-xr-xr-x 1 root sys 96 Feb 26 2010 libvxxp12k.key.1 -r-xr-xr-x 1 root sys 96 Feb 26 2010 libvxxp256.key.1

How to create the symbolic link for the libvxemc.key.1 file

# ln -s /etc/vx/aslkey.d/libvxemc.key.1 libvxemc.key

Output post recreating the missing symbolic link

# ll
total 84 lrwxrwxrwx 1 root root 32 Jul 26 2011 libvx3par.key -> /etc/vx/aslkey.d/libvx3par.key.1 -r-xr-xr-x 1 root sys 96 Feb 26 2010 libvx3par.key.1 lrwxrwxrwx 1 root root 36 Jul 26 2011 libvxCLARiiON.key -> /etc/vx/aslkey.d/libvxCLARiiON.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxCLARiiON.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxcscovrts.key.1 lrwxrwxrwx 1 root root 31 May 24 14:24 libvxemc.key -> /etc/vx/aslkey.d/libvxemc.key.1 -r-xr-xr-x 1 root sys 96 Feb 26 2010 libvxemc.key.1 -r-xr-xr-x 1 root sys 96 Feb 26 2010 libvxhds.key.1 lrwxrwxrwx 1 root root 35 Jul 26 2011 libvxhds9980.key -> /etc/vx/aslkey.d/libvxhds9980.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxhds9980.key.1 lrwxrwxrwx 1 root root 35 Jul 26 2011 libvxhdsalua.key -> /etc/vx/aslkey.d/libvxhdsalua.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxhdsalua.key.1 lrwxrwxrwx 1 root root 34 Jul 26 2011 libvxhdsusp.key -> /etc/vx/aslkey.d/libvxhdsusp.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxhdsusp.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxhitachi.key.1 lrwxrwxrwx 1 root root 34 Jul 26 2011 libvxhpalua.key -> /etc/vx/aslkey.d/libvxhpalua.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxhpalua.key.1 lrwxrwxrwx 1 root root 33 Jul 26 2011 libvxhpmsa.key -> /etc/vx/aslkey.d/libvxhpmsa.key.1 -r-xr-xr-x 1 root sys 96 Feb 26 2010 libvxhpmsa.key.1 lrwxrwxrwx 1 root root 35 Jul 26 2011 libvxibmds4k.key -> /etc/vx/aslkey.d/libvxibmds4k.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxibmds4k.key.1 lrwxrwxrwx 1 root root 35 Jul 26 2011 libvxibmds6k.key -> /etc/vx/aslkey.d/libvxibmds6k.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxibmds6k.key.1 lrwxrwxrwx 1 root root 35 Jul 26 2011 libvxibmds8k.key -> /etc/vx/aslkey.d/libvxibmds8k.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxibmds8k.key.1 lrwxrwxrwx 1 root root 30 Jul 26 2011 libvxpp.key -> /etc/vx/aslkey.d/libvxpp.key.1 -r-xr-xr-x 1 root sys 96 Feb 26 2010 libvxpp.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxpurple.key.1 -r-xr-xr-x 1 root sys 96 Feb 26 2010 libvxshark.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxveritas.key.1 lrwxrwxrwx 1 root root 37 Jul 26 2011 libvxxp1281024.key -> /etc/vx/aslkey.d/libvxxp1281024.key.1 -r-xr-xr-x 1 root sys 112 Feb 26 2010 libvxxp1281024.key.1 lrwxrwxrwx 1 root root 33 Jul 26 2011 libvxxp12k.key -> /etc/vx/aslkey.d/libvxxp12k.key.1 -r-xr-xr-x 1 root sys 96 Feb 26 2010 libvxxp12k.key.1 -r-xr-xr-x 1 root sys 96 Feb 26 2010 libvxxp256.key.1

ASL linkage

# cd /etc/vx/lib/discovery.d

Output prior to recreating the missing symbolic link

# ll
total 264 lrwxrwxrwx 1 root root 38 2011-07-26 14:35 libvx3par.so -> /etc/vx/lib/discovery.d/libvx3par.so.1 -r-xr-xr-x 1 root sys 10017 2010-02-26 05:22 libvx3par.so.1 lrwxrwxrwx 1 root root 42 2011-07-26 14:35 libvxCLARiiON.so -> /etc/vx/lib/discovery.d/libvxCLARiiON.so.1 -r-xr-xr-x 1 root sys 10951 2010-02-26 05:22 libvxCLARiiON.so.1 -r-xr-xr-x 1 root sys 7729 2010-02-26 05:22 libvxcscovrts.so.1 -r-xr-xr-x 1 root sys 9944 2010-02-26 05:22 libvxemc.so.1 lrwxrwxrwx 1 root root 41 2011-07-26 14:35 libvxhds9980.so -> /etc/vx/lib/discovery.d/libvxhds9980.so.1 -r-xr-xr-x 1 root sys 10198 2010-02-26 05:22 libvxhds9980.so.1 lrwxrwxrwx 1 root root 41 2011-07-26 14:35 libvxhdsalua.so -> /etc/vx/lib/discovery.d/libvxhdsalua.so.1 -r-xr-xr-x 1 root sys 14619 2010-02-26 05:22 libvxhdsalua.so.1 -r-xr-xr-x 1 root sys 12665 2010-02-26 05:22 libvxhds.so.1 lrwxrwxrwx 1 root root 40 2011-07-26 14:35 libvxhdsusp.so -> /etc/vx/lib/discovery.d/libvxhdsusp.so.1 -r-xr-xr-x 1 root sys 15755 2010-02-26 05:22 libvxhdsusp.so.1 -r-xr-xr-x 1 root sys 11258 2010-02-26 05:22 libvxhitachi.so.1 lrwxrwxrwx 1 root root 40 2011-07-26 14:35 libvxhpalua.so -> /etc/vx/lib/discovery.d/libvxhpalua.so.1 -r-xr-xr-x 1 root sys 10078 2010-02-26 05:22 libvxhpalua.so.1 lrwxrwxrwx 1 root root 39 2011-07-26 14:35 libvxhpmsa.so -> /etc/vx/lib/discovery.d/libvxhpmsa.so.1 -r-xr-xr-x 1 root sys 10495 2010-02-26 05:22 libvxhpmsa.so.1 lrwxrwxrwx 1 root root 41 2011-07-26 14:35 libvxibmds4k.so -> /etc/vx/lib/discovery.d/libvxibmds4k.so.1 -r-xr-xr-x 1 root sys 12080 2010-02-26 05:22 libvxibmds4k.so.1 lrwxrwxrwx 1 root root 41 2011-07-26 14:35 libvxibmds6k.so -> /etc/vx/lib/discovery.d/libvxibmds6k.so.1 -r-xr-xr-x 1 root sys 8717 2010-02-26 05:22 libvxibmds6k.so.1 lrwxrwxrwx 1 root root 41 2011-07-26 14:35 libvxibmds8k.so -> /etc/vx/lib/discovery.d/libvxibmds8k.so.1 -r-xr-xr-x 1 root sys 8870 2010-02-26 05:22 libvxibmds8k.so.1 lrwxrwxrwx 1 root root 36 2011-07-26 14:35 libvxpp.so -> /etc/vx/lib/discovery.d/libvxpp.so.1 -r-xr-xr-x 1 root sys 19075 2010-02-26 05:22 libvxpp.so.1 -r-xr-xr-x 1 root sys 8944 2010-02-26 05:22 libvxpurple.so.1 -r-xr-xr-x 1 root sys 7971 2010-02-26 05:22 libvxshark.so.1 -r-xr-xr-x 1 root sys 7750 2010-02-26 05:22 libvxveritas.so.1 lrwxrwxrwx 1 root root 43 2011-07-26 14:35 libvxxp1281024.so -> /etc/vx/lib/discovery.d/libvxxp1281024.so.1 -r-xr-xr-x 1 root sys 8712 2010-02-26 05:22 libvxxp1281024.so.1 lrwxrwxrwx 1 root root 39 2011-07-26 14:35 libvxxp12k.so -> /etc/vx/lib/discovery.d/libvxxp12k.so.1 -r-xr-xr-x 1 root sys 12673 2010-02-26 05:22 libvxxp12k.so.1 -r-xr-xr-x 1 root sys 9074 2010-02-26 05:22 libvxxp256.so.1

How to create the symbolic link for the libvxemc.so.1 file

# ln -s /etc/vx/lib/discovery.d/libvxemc.so.1 libvxemc.so

Following the above changes to the aslkey.d and discovery.d directories, restart the Veritas Volume Manager vxconfigd daemon for the ASL updates to be detected.

# vxconfigd -k

The missing ASL should now be listed by the CLI command vxddladm listversion

# vxddladm listversion
LIB_NAME ASL_VERSION Min. VXVM version =================================================================== libvx3par.so vm-5.0-rev-1 5.0 libvxCLARiiON.so vm-5.0-rev-3 5.0 libvxemc.so vm-5.0-rev-3 5.0 <<< ASL now listed following the recreation of the required symbolic links
libvxhds9980.so vm-5.0-rev-1 5.0 libvxhdsalua.so vm-5.0-rev-2 5.0 libvxhdsusp.so vm-5.0-rev-2 5.0 libvxhpalua.so vm-5.0-rev-1 5.0 libvxhpmsa.so vm-5.0-rev-2 5.0 libvxibmds4k.so vm-5.0-rev-2 5.0 libvxibmds6k.so vm-5.0-rev-2 5.0 libvxibmds8k.so vm-5.0-rev-1 5.0 libvxpp.so vm-5.0-rev-1 5.0 libvxxp1281024.so vm-5.0-rev-1 5.0 libvxxp12k.so vm-5.0-rev-2 5.0

How to recreate the missing symbolic links for a Veritas Array Support Library (ASL) not listed by 'vxddladm listversion'

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How to recreate the missing symbolic links for a Veritas Array Support Library (ASL) not listed by 'vxddladm listversion'

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