{"id":7282,"date":"2016-03-11T22:52:09","date_gmt":"2016-03-11T21:52:09","guid":{"rendered":"https:\/\/www.dbi-services.com\/blog\/conversion-to-flex-asm-with-asmca-takes-5-minutes\/"},"modified":"2016-03-11T22:52:09","modified_gmt":"2016-03-11T21:52:09","slug":"conversion-to-flex-asm-with-asmca-takes-5-minutes","status":"publish","type":"post","link":"https:\/\/www.dbi-services.com\/blog\/conversion-to-flex-asm-with-asmca-takes-5-minutes\/","title":{"rendered":"Conversion to Flex ASM with asmca takes 5 minutes"},"content":{"rendered":"<h2>By Franck Pachot<\/h2>\n<p>.<br \/>\nIn 12c Oracle recommands Flex ASM. You can opt for it at Grid Infrastructure installation, but it&#8217;s very easy to convert to it later from asmca. It has to configure<br \/>\n<!--more--><\/p>\n<pre><code>\n[grid@racp1vm1 ~]$ asmcmd showclustermode\nASM cluster: Flex mode disabled\n<\/code><\/pre>\n<p>In ASMCA if you are not in Flex ASM then you have the button to convert to it from the first tab. A listener will run on each node, so you define the port and the interface:<br \/>\n<a href=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/CaptureASMCAFLEXASM0.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/CaptureASMCAFLEXASM0.png\" alt=\"CaptureASMCAFLEXASM0\" width=\"1747\" height=\"1025\" class=\"alignnone size-full wp-image-7435\" \/><\/a><\/p>\n<p>On my laptop with the lab environment from the <a href=\"https:\/\/www.dbi-services.com\/trainings\/type\/oracle-en\/\" target=\"_blank\" rel=\"noopener noreferrer\">dbi services Grid Infrastructure \/ RAC training workshop<\/a> running the converttoFlexASM.sh as root took 5 minutes.<\/p>\n<p>When it&#8217;s finished, you restart asmca and see that the convert button is not there anymore:<\/p>\n<p><a href=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/CaptureASMCAFLEXASM1.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/CaptureASMCAFLEXASM1.png\" alt=\"CaptureASMCAFLEXASM1\" width=\"962\" height=\"578\" class=\"alignnone size-full wp-image-7434\" \/><\/a><\/p>\n<p>you can see it from asmcmd as well:<\/p>\n<pre><code>\n[grid@racp1vm1 ~]$ asmcmd showclustermode\nASM cluster : Flex mode enabled\n<\/code><\/pre>\n<p>I can shutdown the ASM instance on node 2 (not from node 1 as I&#8217;ve run asmca from it):<\/p>\n<p><a href=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/Screenshot-2016-03-11-21.15.40.png\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.dbi-services.com\/blog\/wp-content\/uploads\/sites\/2\/2022\/04\/Screenshot-2016-03-11-21.15.40.png\" alt=\"Screenshot 2016-03-11 21.15.40\" width=\"978\" height=\"587\" class=\"alignnone size-full wp-image-7438\" \/><\/a><\/p>\n<p>Both nodes have the flex ASM listener:<\/p>\n<pre><code>\n[grid@racp1vm1 ~]$ crsctl status resource -t\n--------------------------------------------------------------------------------\nName           Target  State        Server                   State details\n--------------------------------------------------------------------------------\nLocal Resources\n--------------------------------------------------------------------------------\nora.ASMNET1LSNR_ASM.lsnr\n               ONLINE  ONLINE       racp1vm1                 STABLE\n               ONLINE  ONLINE       racp1vm2                 STABLE\nora.CRS_DG.dg\n               ONLINE  ONLINE       racp1vm1                 STABLE\n               OFFLINE OFFLINE      racp1vm2                 STABLE\nora.DATA.dg\n               ONLINE  ONLINE       racp1vm1                 STABLE\n               OFFLINE OFFLINE      racp1vm2                 STABLE\nora.DATA2.MYACFSVOL.advm\n               ONLINE  ONLINE       racp1vm1                 Volume device \/dev\/a\n                                                             sm\/myacfsvol-160 is\n                                                             online,STABLE\n               ONLINE  ONLINE       racp1vm2                 Volume device \/dev\/a\n                                                             sm\/myacfsvol-160 is\n                                                             online,STABLE\nora.DATA2.dg\n               ONLINE  ONLINE       racp1vm1                 STABLE\n               OFFLINE OFFLINE      racp1vm2                 STABLE\n<\/code><\/pre>\n<p>Note that the diskgroups are OFFLINE in node 2 because I stopped the ASM instance, but the ACFS filesystem is still up, thanks to flex ASM.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>By Franck Pachot . In 12c Oracle recommands Flex ASM. You can opt for it at Grid Infrastructure installation, but it&#8217;s very easy to convert to it later from asmca. It has to configure<\/p>\n","protected":false},"author":27,"featured_media":7286,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[229],"tags":[765,37,766,96],"type_dbi":[],"class_list":["post-7282","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-database-administration-monitoring","tag-12cocmu","tag-asm","tag-flex","tag-oracle"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Conversion to Flex ASM with asmca takes 5 minutes - dbi Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.dbi-services.com\/blog\/conversion-to-flex-asm-with-asmca-takes-5-minutes\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Conversion to Flex ASM with asmca takes 5 minutes\" \/>\n<meta property=\"og:description\" content=\"By Franck Pachot . In 12c Oracle recommands Flex ASM. You can opt for it at Grid Infrastructure installation, but it&#8217;s very easy to convert to it later from asmca. 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