{"id":8675,"date":"2017-12-08T08:14:35","date_gmt":"2017-12-08T07:14:35","guid":{"rendered":"http:\/\/arumel.com\/?p=8675"},"modified":"2017-12-08T08:26:38","modified_gmt":"2017-12-08T07:26:38","slug":"limpiar-cabeceras-discos-asm","status":"publish","type":"post","link":"https:\/\/arumel.com\/es\/limpiar-cabeceras-discos-asm\/","title":{"rendered":"limpiar cabeceras discos asm"},"content":{"rendered":"<h1>Como limpiar las cabeceras de unos discos ASM<\/h1>\n<p>&nbsp;<\/p>\n<blockquote>\n<h6 class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true\" title=\"error\"><em><strong>$ORACLE_HOME\/bin\/asmcmd afd_label PEPITO \/dev\/mapper\/PEPITOp1 &#8211;init <\/strong><\/em><\/h6>\n<h6 class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true\" title=\"error\"><em><strong>disk \/dev\/mapper\/PEPITOp1 is already provisioned for ASM<\/strong><\/em><\/h6>\n<\/blockquote>\n<p>&nbsp;<\/p>\n<p>Hace poco, preparando una instalaci\u00f3n en un cliente, una 12.2 Grid Infrastructure, y habiendo dejado configurados los discos con AFD para la instalaci\u00f3n posterior, tuvieron que cambiar las m\u00e1quinas de cpds y se apagaron para su traslado.<\/p>\n<p>La configuraci\u00f3n previa que hab\u00edamos hecho era:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false show-plain-default:true lang:default decode:true \" title=\"afd --init\">[root@ctbl109 mapper]# for disco in `ls *PRO*p1 `; do $ORACLE_HOME\/bin\/asmcmd afd_label $disco \/dev\/mapper\/$disco --init; done<\/pre>\n<p>&nbsp;<\/p>\n<p>Y los discos se pod\u00edan ver en:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono show-plain-default:true lang:default decode:true \" title=\"disks afd --init\">[root@ctbl109 bin]# cd \/dev\/oracleafd\/disks\/\r\n\r\n[root@ctbl109 disks]# ls\r\n\r\nPROADMIN101P1 PROCONTREDO101P1 PRODATADB101P1 PROFRA101P1 PROFRA203P1 PROVOTOCR101P1\r\n\r\nPROADMIN102P1 PROCONTREDO102P1 PRODATADB102P1 PROFRA102P1 PROFRA204P1 PROVOTOCR102P1\r\n\r\nPROADMIN103P1 PROCONTREDO103P1 PRODATADB103P1 PROFRA103P1 PROFRA205P1 PROVOTOCR201P1\r\n\r\nPROADMIN104P1 PROCONTREDO104P1 PRODATADB104P1 PROFRA104P1 PROFRA206P1 PROVOTOCR202P1\r\n\r\nPROADMIN201P1 PROCONTREDO201P1 PRODATADB201P1 PROFRA105P1 PROMGTDB101P1\r\n\r\nPROADMIN202P1 PROCONTREDO202P1 PRODATADB202P1 PROFRA106P1 PROMGTDB102P1\r\n\r\nPROADMIN203P1 PROCONTREDO203P1 PRODATADB203P1 PROFRA201P1 PROMGTDB201P1\r\n\r\nPROADMIN204P1 PROCONTREDO204P1 PRODATADB204P1 PROFRA202P1 PROMGTDB202P1\r\n\r\n<\/pre>\n<p>&nbsp;<\/p>\n<p>Al volver a encender las m\u00e1quinas, no estaban los discos:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true \" title=\"afd without disks\">[root@ctbl109 bin]# cd \/dev\/oracleafd\/disks\/\r\n\r\n[root@ctbl109 disks]# ls\r\n\r\ntotal 0\r\n\r\n<\/pre>\n<p>&nbsp;<\/p>\n<p>Y si intent\u00e1bamos volver a etiquetarlos nos dec\u00eda que ya estaban:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true\" title=\"already provisioned for ASM\">[root@ctbl109 mapper]# for disco in `ls *PRO*p1 `; do $ORACLE_HOME\/bin\/asmcmd afd_label $disco \/dev\/mapper\/$disco --init; done\r\n\r\ndisk \/dev\/mapper\/PROADMIN101p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROADMIN102p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROADMIN103p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROADMIN104p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROADMIN201p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROADMIN202p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROADMIN203p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROADMIN204p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROCONTREDO101p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROCONTREDO102p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROCONTREDO103p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROCONTREDO104p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROCONTREDO201p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROCONTREDO202p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROCONTREDO203p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROCONTREDO204p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PRODATAdb101p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PRODATAdb102p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PRODATAdb103p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PRODATAdb104p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PRODATAdb201p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PRODATAdb202p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PRODATAdb203p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PRODATAdb204p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA101p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA102p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA103p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA104p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA105p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA106p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA201p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA202p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA203p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA204p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA205p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROFRA206p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROMGTDB101p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROMGTDB102p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROMGTDB201p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROMGTDB202p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROVOTOCR101p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROVOTOCR102p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROVOTOCR201p1 is already provisioned for ASM\r\n\r\ndisk \/dev\/mapper\/PROVOTOCR202p1 is already provisioned for ASM\r\n\r\n<\/pre>\n<p>&nbsp;<\/p>\n<p>pero segu\u00edan sin aparecer en el <span style=\"color: #0000ff\"><span style=\"font-family: DejaVu Sans Mono, sans-serif\"><span style=\"font-size: xx-small\">\/dev\/oracleafd\/disks<\/span><\/span><\/span>, y si no salen ah\u00ed, no podemos instalar el asm y configurar los disksgroups.<\/p>\n<p>Probamos a desetiquetarlos y volver a etiquetarlos, y todo segu\u00eda igual:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true \" title=\"afd unlabel label\">[root@ctbl109 mapper]# for disco in `ls *PRO*p1 `; do $ORACLE_HOME\/bin\/asmcmd afd_unlabel \/dev\/mapper\/$disco; done\r\n\r\n[root@ctbl109 mapper]# for disco in `ls *PRO*p1 `; do $ORACLE_HOME\/bin\/asmcmd afd_label $disco \/dev\/mapper\/$disco --init; done\r\n\r\n[root@ctbl109 bin]# cd \/dev\/oracleafd\/disks\/\r\n\r\n[root@ctbl109 disks]# ls\r\n\r\ntotal 0<\/pre>\n<p>&nbsp;<\/p>\n<p>Probamos incluso a particionar otro vez el disco, pero como utiliz\u00e1bamos la misma configuraci\u00f3n de particiones, no llegaba a borrar la cabecera del disco y continu\u00e1bamos sin poder a\u00f1adirlos al AFD:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true \" title=\"repartitioning\">[root@ctbl109 mapper]# for disco in `ls -1 \/dev\/mapper\/PRO* | grep -E -v \"*1$\"`; do echo -e \"o\\nn\\np\\n1\\n\\n\\nw\" | fdisk $disco; done<\/pre>\n<p>&nbsp;<\/p>\n<p>Comprobamos que la cabecera segu\u00eda teniendo la misma informaci\u00f3n:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true \" title=\"headers\">[root@ctbl109 mapper]# od -c -N 64 \/dev\/mapper\/PROADMIN101p1\r\n\r\n0000000 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 p y 037 {\r\n\r\n0000020 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0\r\n\r\n0000040 O R C L D I S K P R O A D M I N\r\n\r\n0000060 1 0 1 P 1 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0\r\n\r\n0000100<\/pre>\n<p>&nbsp;<\/p>\n<p>Entonces, para probar, procedimos a borrar uno de los discos y comprobamos que la cabecera se limpiaba:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true \" title=\"cleaning header\">[root@ctbl109 mapper]# dd if=\/dev\/zero of=\/dev\/mapper\/PROADMIN101p1 bs=4k count=1024\r\n\r\n1024+0 registros le\u00eddos\r\n\r\n1024+0 registros escritos\r\n\r\n4194304 bytes (4,2 MB) copiados, 0,0139357 s, 301 MB\/s\r\n\r\n\r\n[root@ctbl109 mapper]# od -c -N 64 \/dev\/mapper\/PROADMIN101p1\r\n\r\n0000000 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0 \\0\r\n\r\n*\r\n\r\n0000100<\/pre>\n<p>&nbsp;<\/p>\n<p>As\u00ed que limpiamos todas las cabeceras:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true \" title=\"cleaning headers\">[root@ctbl109 mapper]# for disco in `ls *PRO* `; do dd if=\/dev\/zero of=\/dev\/mapper\/$disco bs=4k count=1024; done<\/pre>\n<p>&nbsp;<\/p>\n<p>Y volvimos a configurar los discos para AFD sin problemas:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true \" title=\"afd --init\">[root@ctbl109 mapper]# for disco in `ls *PRO*p1 `; do $ORACLE_HOME\/bin\/asmcmd afd_label $disco \/dev\/mapper\/$disco --init; done<\/pre>\n<p>&nbsp;<\/p>\n<p>Y ya estaban todos listos para la lanzar la instalaci\u00f3n:<\/p>\n<pre class=\"theme:familiar font:ubuntu-mono toolbar-overlay:false lang:default decode:true\" title=\"list disks afd --init\">[root@ctbl109 mapper]# ls \/dev\/oracleafd\/disks\/\r\n\r\nPROADMIN101P1 PROCONTREDO104P1 PRODATADB203P1 PROFRA204P1\r\n\r\nPROADMIN102P1 PROCONTREDO201P1 PRODATADB204P1 PROFRA205P1\r\n\r\nPROADMIN103P1 PROCONTREDO202P1 PROFRA101P1 PROFRA206P1\r\n\r\nPROADMIN104P1 PROCONTREDO203P1 PROFRA102P1 PROMGTDB101P1\r\n\r\nPROADMIN201P1 PROCONTREDO204P1 PROFRA103P1 PROMGTDB102P1\r\n\r\nPROADMIN202P1 PRODATADB101P1 PROFRA104P1 PROMGTDB201P1\r\n\r\nPROADMIN203P1 PRODATADB102P1 PROFRA105P1 PROMGTDB202P1\r\n\r\nPROADMIN204P1 PRODATADB103P1 PROFRA106P1 PROVOTOCR101P1\r\n\r\nPROCONTREDO101P1 PRODATADB104P1 PROFRA201P1 PROVOTOCR102P1\r\n\r\nPROCONTREDO102P1 PRODATADB201P1 PROFRA202P1 PROVOTOCR201P1\r\n\r\nPROCONTREDO103P1 PRODATADB202P1 PROFRA203P1 PROVOTOCR202P1<\/pre>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>A\u00f1adiendo valor con <a href=\"http:\/\/www.arumel.com\">Arumel<\/a>!!<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Como limpiar las cabeceras de unos discos ASM &nbsp; $ORACLE_HOME\/bin\/asmcmd afd_label PEPITO \/dev\/mapper\/PEPITOp1 &#8211;init disk \/dev\/mapper\/PEPITOp1 is already provisioned for ASM &nbsp; Hace poco, preparando una instalaci\u00f3n en un cliente, una 12.2 Grid Infrastructure, y habiendo dejado configurados los discos con AFD para la instalaci\u00f3n posterior, tuvieron que cambiar las m\u00e1quinas de cpds y se [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":7824,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[62],"tags":[253,139,158,31,252,255,157,251,254],"class_list":["post-8675","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-oracle","tag-init","tag-12-2","tag-afd","tag-asm","tag-clean","tag-disk","tag-grid","tag-headers","tag-is-already-provisioned-for-asm"],"yoast_head":"<!-- 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