{"id":1897,"date":"2016-12-18T00:01:37","date_gmt":"2016-12-18T06:01:37","guid":{"rendered":"https:\/\/bijoos.com\/oraclenotes\/?p=1897"},"modified":"2026-02-07T15:27:14","modified_gmt":"2026-02-07T21:27:14","slug":"12-days-of-cloud-exploring-dbaas-file-system","status":"publish","type":"post","link":"https:\/\/bijoos.com\/oraclenotes\/2016\/1897\/","title":{"rendered":"12 Days of #Cloud: Exploring #DBaaS File System"},"content":{"rendered":"<h2>12 Days of #Cloud: Day 5<\/h2>\n<p><a href=\"https:\/\/i0.wp.com\/bijoos.com\/oraclenotes\/wp-content\/uploads\/2016\/12\/image22.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\" wp-image-1821 alignleft\" src=\"https:\/\/i0.wp.com\/bijoos.com\/oraclenotes\/wp-content\/uploads\/2016\/12\/image22.png?resize=93%2C53&#038;ssl=1\" alt=\"\" width=\"93\" height=\"53\" \/><\/a>When you create a new Cloud DBaaS instance, Oracle Cloud Service provision a VM and required file systems. These are the file systems:<\/p>\n<p>&nbsp;<\/p>\n<pre class=\"font-size:10 height-set:true height:200 lang:default highlight:0 decode:true\">[oracle@CLDB4ACED ~]$ df -h\nFilesystem            Size  Used Avail Use% Mounted on\n\/dev\/xvdb3             25G   14G   11G  57% \/\ntmpfs                 7.3G     0  7.3G   0% \/dev\/shm\n\/dev\/xvdb1            477M  148M  300M  34% \/boot\n\/dev\/xvde1             59G  9.0G   47G  17% \/u01\n\/dev\/mapper\/dataVolGroup-lvol0\n                       50G   16G   32G  33% \/u02\n\/dev\/mapper\/fraVolGroup-lvol0\n                      6.8G  3.1G  3.4G  49% \/u03\n\/dev\/mapper\/redoVolGroup-lvol0\n                       25G  3.4G   20G  15% \/u04\n<\/pre>\n<ul>\n<li>\/u01 &#8211; Local file system &#8211; Oracle software binaries, DIAGNOSTIC_DEST<\/li>\n<li>\/u02 &#8211; Cloud Storage &#8211; Database Files, Change tracking file<\/li>\n<li>\/u03 &#8211; Cloud Storage &#8211; Fast Recovery Area, backup files, control file copy<\/li>\n<li>\/u04 &#8211; Cloud Storage &#8211; Redo log files, Temporary files<\/li>\n<li>On RAC systems, \/u02, \/u03, \/u04 are ACFS.<\/li>\n<\/ul>\n<p id=\"vJFJvYj\"><img data-recalc-dims=\"1\" decoding=\"async\" class=\"alignnone size-full wp-image-1899 \" src=\"https:\/\/i0.wp.com\/bijoos.com\/oraclenotes\/wp-content\/uploads\/2016\/12\/img_5856387669cb1.png?w=1200&#038;ssl=1\" alt=\"\" \/><\/p>\n<p>To increase or decrease the size of \/u02, \/u03 or \/u04 file systems, use the &#8220;Scale Up or Down Service&#8221; menu.<\/p>\n<p id=\"GJaYiPr\"><img data-recalc-dims=\"1\" decoding=\"async\" class=\"size-full wp-image-1898 aligncenter\" src=\"https:\/\/i0.wp.com\/bijoos.com\/oraclenotes\/wp-content\/uploads\/2016\/12\/img_5856378a01842.png?w=1200&#038;ssl=1\" alt=\"\" \/><\/p>\n<p>SPFile is in the standard location with the usual name:<\/p>\n<ul>\n<li>\/u01\/app\/oracle\/product\/12.2.0\/dbhome_1\/dbs\/spfileCDDB01.ora<\/li>\n<\/ul>\n<p>Two Control files:<\/p>\n<ul>\n<li>\/u02\/app\/oracle\/oradata\/CDDB01\/control01.ctl<\/li>\n<li>\/u03\/app\/oracle\/fast_recovery_area\/CDDB01\/control02.ctl<\/li>\n<\/ul>\n<p>Fast Recovery Area where backups are written:<\/p>\n<ul>\n<li>\/u03\/app\/oracle\/fast_recovery_area<\/li>\n<\/ul>\n<p>Diagnostic Destination:<\/p>\n<ul>\n<li>\/u01\/app\/oracle<\/li>\n<\/ul>\n<p>Automatic Diagnostic Repository home:<\/p>\n<ul>\n<li>\/u01\/app\/oracle\/diag\/rdbms\/cddb01\/CDDB01<\/li>\n<\/ul>\n<p>Alert log and trace files location:<\/p>\n<ul>\n<li>\/u01\/app\/oracle\/diag\/rdbms\/cddb01\/CDDB01\/trace\/<\/li>\n<\/ul>\n<p>Software and files used to build the Cloud Instance VM<\/p>\n<ul>\n<li>\/scratch\/db<\/li>\n<\/ul>\n<p>Backup configuration files:<\/p>\n<ul>\n<li>\/var\/opt\/oracle\/ocde\/assistants\/bkup\/<\/li>\n<li>\/home\/oracle\/bkup\/CDDB01<\/li>\n<\/ul>\n<p>Backup log files:<\/p>\n<ul>\n<li>\/var\/opt\/oracle\/log\/bkup\/<\/li>\n<\/ul>\n<p>On Demand backup:<\/p>\n<ul>\n<li>\/var\/opt\/oracle\/bkup_api\/bkup_api<\/li>\n<\/ul>\n<p>Weekly cronjob &#8211; Cleanup log files<\/p>\n<ul>\n<li>\/var\/opt\/oracle\/cleandb\/cleandblogs.pl<\/li>\n<\/ul>\n<p>Retention of alert log, listener log, trace files configuration (used by cleandblogs.pl). See <a href=\"https:\/\/docs.oracle.com\/en\/cloud\/paas\/database-dbaas-cloud\/csdbi\/manage-log-and-diagnostic-files.html\" target=\"_blank\">documentation <\/a>for details.<\/p>\n<ul>\n<li>\/var\/opt\/oracle\/cleandb\/cleandblogs.cfg<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>12 Days of #Cloud: Day 5 When you create a new Cloud DBaaS instance, Oracle Cloud Service provision a VM and required file systems. These are the file systems: &nbsp; [oracle@CLDB4ACED ~]$ df -h Filesystem Size Used Avail Use% Mounted on \/dev\/xvdb3 25G 14G 11G 57% \/ tmpfs 7.3G 0 7.3G 0% \/dev\/shm \/dev\/xvdb1 477M &#8230; <a title=\"12 Days of #Cloud: Exploring #DBaaS File System\" class=\"read-more\" href=\"https:\/\/bijoos.com\/oraclenotes\/2016\/1897\/\" aria-label=\"Read more about 12 Days of #Cloud: Exploring #DBaaS File System\">Read more<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[4],"tags":[55],"class_list":["post-1897","post","type-post","status-publish","format-standard","hentry","category-cloud-autonomous","tag-oracle-cloud"],"acf":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/bijoos.com\/oraclenotes\/wp-json\/wp\/v2\/posts\/1897","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bijoos.com\/oraclenotes\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bijoos.com\/oraclenotes\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bijoos.com\/oraclenotes\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/bijoos.com\/oraclenotes\/wp-json\/wp\/v2\/comments?post=1897"}],"version-history":[{"count":1,"href":"https:\/\/bijoos.com\/oraclenotes\/wp-json\/wp\/v2\/posts\/1897\/revisions"}],"predecessor-version":[{"id":2992,"href":"https:\/\/bijoos.com\/oraclenotes\/wp-json\/wp\/v2\/posts\/1897\/revisions\/2992"}],"wp:attachment":[{"href":"https:\/\/bijoos.com\/oraclenotes\/wp-json\/wp\/v2\/media?parent=1897"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bijoos.com\/oraclenotes\/wp-json\/wp\/v2\/categories?post=1897"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bijoos.com\/oraclenotes\/wp-json\/wp\/v2\/tags?post=1897"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}