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Operating Systems Solaris Mpathadm showing no paths to 1 lun, others luns are fine Post 302870085 by badoshi on Friday 1st of November 2013 05:45:27 AM
Old 11-01-2013
I've logged a ticket with Oracle about this issue, and to their credit were very quick in coming back with a response. Apparently mpathadm has serveral associated bugs, and for accurate reporting, i'd be better off using:

Code:
# luxadm display /dev/rdsk/c6t60000970000298700009533031333037d0s2
DEVICE PROPERTIES for disk: /dev/rdsk/c6t60000970000298700009533031333037d0s2
  Vendor:               EMC
  Product ID:           SYMMETRIX
  Revision:             5874
  Serial Num:           700009307008
  Unformatted capacity: 98305.312 MBytes
  Read Cache:           Enabled
    Minimum prefetch:   0x0
    Maximum prefetch:   0xffff
  Device Type:          Disk device
  Path(s):

  /dev/rdsk/c6t60000970000298700009533031333037d0s2
  /devices/scsi_vhci/ssd@g60000970000298700009533031333037:c,raw
   Controller           /devices/pci@3,700000/SUNW,emlxs@0,1/fp@0,0
    Device Address              50000975f0002585,16
    Host controller port WWN    10000000c978d0c3
    Class                       primary
    State                       ONLINE
   Controller           /devices/pci@3,700000/SUNW,emlxs@0,1/fp@0,0
    Device Address              50000975f0002589,16
    Host controller port WWN    10000000c978d0c3
    Class                       primary
    State                       ONLINE
   Controller           /devices/pci@13,700000/SUNW,emlxs@0,1/fp@0,0
    Device Address              50000975f0002581,16
    Host controller port WWN    10000000c978d125
    Class                       primary
    State                       ONLINE
   Controller           /devices/pci@13,700000/SUNW,emlxs@0,1/fp@0,0
    Device Address              50000975f000258d,16
    Host controller port WWN    10000000c978d125
    Class                       primary
    State                       ONLINE

Which indeed showed all paths online as expected. To fix mpathadm, they've suggested I apply patch
143643-08, and a series of others. But after removing disk/configuring once more, it's reporting back ok.

Thanks for everyone's help. Smilie
 

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PATHS(3)						   BSD Library Functions Manual 						  PATHS(3)

NAME
paths -- default system paths SYNOPSIS
#include <paths.h> DESCRIPTION
The <paths.h> header defines some default paths used in NetBSD. All defined constants are prefixed with _PATH. The constants include: o The default user search path set by login(1) and associated utilities such as rshd(8). This is defined by _PATH_DEFPATH and includes directories such as /usr/bin and /usr/local/bin. o Default paths for some utilities and device nodes. Examples include such paths as /dev/null (_PATH_DEVNULL), /dev/mem (_PATH_MEM), and /etc/nologin (_PATH_NOLOGIN), among others. o Paths for some default directories such as /dev (_PATH_DEV) and /tmp (_PATH_TMP) as well as paths for some miscellaneous utilities such as csh(1), /bin/csh (_PATH_CSHELL). SEE ALSO
whereis(1), sysexits(3), types(3), hier(7) CAVEATS
The <paths.h> header is specific to NetBSD. BSD
April 8, 2011 BSD
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