if you see some “rdnexus” strings in your format output, you have RDAC (and yes, it is a disease)
\n32. c9t0d14 <STK-OPENstorageD220-0533 cyl 34965 alt 2 hd 64 sec 64>
\n\/pseudo\/rdnexus@4\/rdriver@0,e
\nRDAC is a multipathing software, (like vxdmp or powerpath). Other symptom includes finding the module
\nloaded.
\nbash-2.03# modinfo | grep rd
\n42 103231bf 8f2 235 1 rdnexus (RDAC Pseudo Controller Driver)
\n43 1032391b 19fb4 236 1 rdriver (Solaris RDAC Driver)
\nwell, you can find out how the paths are shown by issuing:
\nbash-2.03# SMdevices
\nSANtricity Storage Manager Devices, Version 08.30.02.00
\nBuilt Wed Sep 11 15:25:19 CDT 2002
\nCopyright (C) 2001 LSI Logic Corporation. All rights reserved.
\nCopyright (C) 2001 Storage Technology Corporation. All rights reserved.
\n\/dev\/rdsk\/c5t0d11s2 [Disk Subsystem ImageDisk1, Volume Volume 12, LUN 11, Volume WWN
\n<600a0b80000f9d5300000014464c4753>, Preferred Path (Controller-B): In Use ]
\n\/dev\/rdsk\/c5t0d13s2 [Disk Subsystem ImageDisk1, Volume Volume 14, LUN 13, Volume WWN
\n<600a0b80000f9d5300000015464c47a1>, Preferred Path (Controller-B): In Use ]
\n\/dev\/rdsk\/c6t0d3s2 [Disk Subsystem ImageDisk2, Volume Volume 4, LUN 3, Volume WWN
\n<600a0b80001318bd000010c540605ca1>, Preferred Path (Controller-B): In Use]
\n\/dev\/rdsk\/c6t0d1s2 [Disk Subsystem ImageDisk2, Volume Volume 2, LUN 1, Volume WWN
\n<600a0b80001318bd000010bd400ceaa7>, Preferred Path (Controller-B): In Use]
\n\/dev\/rdsk\/c3t0d0s2 [Disk Subsystem ImageDisk2, Volume Volume 1, LUN 0, Volume WWN
\n<600a0b800013186 c000010d9400cea9e>, Preferred Path (Controller-A): In Use]
\n\/dev\/rdsk\/c3t0d2s2 [Disk Subsystem ImageDisk2, Volume Volume 3, LUN 2, Volume WWN
\n<600a0b800013186 c000010e440605c8e>, Preferred Path (Controller-A): In Use]
\n\/dev\/rdsk\/c3t0d10s2 [Disk Subsystem ImageDisk2, Volume Volume 11, LUN 10, Volume WWN
\n<600a0b800013186 c000010ef464c4d3a>, Preferred Path (Controller-A): In Use ]
\n\/dev\/rdsk\/c9t0d14s2 [Disk Subsystem ImageDisk1, Volume Volume 15, LUN 14, Volume WWN
\n<600a0b80001256a 900000038464c4ca2>, Preferred Path (Controller-A): In Use ]
\n194\/433<\/p>\n","protected":false},"excerpt":{"rendered":"
if you see some “rdnexus” strings in your format output, you have RDAC (and yes, it is a disease) 32. c9t0d14 <STK-OPENstorageD220-0533 cyl 34965 alt 2 hd 64 sec 64> \/pseudo\/rdnexus@4\/rdriver@0,e RDAC is a multipathing software, (like vxdmp or powerpath). Other symptom includes finding the module loaded. bash-2.03# modinfo | grep rd 42 103231bf 8f2 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-554","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"_links":{"self":[{"href":"\/blog\/index.php\/wp-json\/wp\/v2\/posts\/554","targetHints":{"allow":["GET"]}}],"collection":[{"href":"\/blog\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"\/blog\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"\/blog\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"\/blog\/index.php\/wp-json\/wp\/v2\/comments?post=554"}],"version-history":[{"count":0,"href":"\/blog\/index.php\/wp-json\/wp\/v2\/posts\/554\/revisions"}],"wp:attachment":[{"href":"\/blog\/index.php\/wp-json\/wp\/v2\/media?parent=554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"\/blog\/index.php\/wp-json\/wp\/v2\/categories?post=554"},{"taxonomy":"post_tag","embeddable":true,"href":"\/blog\/index.php\/wp-json\/wp\/v2\/tags?post=554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}