To test your disk heartbeats, you can look at the output of “cllsif” or “lssrc -ls topsvcs”, or you can actively test them. IBM provides a command to do this. First, find the devices associated with the disk HB VG, I’ll assume hdisk4 on nodeA and hdisk5 on nodeB.
{"id":193,"date":"2009-06-23T15:52:55","date_gmt":"2009-06-23T19:52:55","guid":{"rendered":"http:\/\/patrickv.info\/wordpress\/?p=193"},"modified":"2009-06-23T15:52:55","modified_gmt":"2009-06-23T19:52:55","slug":"testing-disk-heartbeats","status":"publish","type":"post","link":"https:\/\/rootuser.ninja\/index.php\/2009\/06\/23\/testing-disk-heartbeats\/","title":{"rendered":"Testing Disk Heartbeats"},"content":{"rendered":"To test your disk heartbeats, you can look at the output of “cllsif” or “lssrc -ls topsvcs”, or you can actively test them. IBM provides a command to do this. First, find the devices associated with the disk HB VG, I’ll assume hdisk4 on nodeA and hdisk5 on nodeB.
\n
\nRun this on nodeA first:<\/p>\n
\/usr\/sbin\/rsct\/bin\/dhb_read -p hdisk4 -r<\/code><\/pre>\nThen run this on NodeB:<\/p>\n
\/usr\/sbin\/rsct\/bin\/dhb_read -p hdisk5 -t<\/code><\/pre>\nBoth sides should generate some output followed by “Link operating normally”.<\/p>","protected":false},"excerpt":{"rendered":null,"protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,1],"tags":[],"class_list":["post-193","post","type-post","status-publish","format-standard","hentry","category-hacmp-notes","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/rootuser.ninja\/index.php\/wp-json\/wp\/v2\/posts\/193","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rootuser.ninja\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rootuser.ninja\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rootuser.ninja\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/rootuser.ninja\/index.php\/wp-json\/wp\/v2\/comments?post=193"}],"version-history":[{"count":0,"href":"https:\/\/rootuser.ninja\/index.php\/wp-json\/wp\/v2\/posts\/193\/revisions"}],"wp:attachment":[{"href":"https:\/\/rootuser.ninja\/index.php\/wp-json\/wp\/v2\/media?parent=193"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rootuser.ninja\/index.php\/wp-json\/wp\/v2\/categories?post=193"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rootuser.ninja\/index.php\/wp-json\/wp\/v2\/tags?post=193"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}