{"id":5163,"date":"2015-07-10T12:51:29","date_gmt":"2015-07-10T10:51:29","guid":{"rendered":"https:\/\/www.dbi-services.com\/blog\/acfs-12-1-0-2-on-oracle-linux-7-1\/"},"modified":"2015-07-10T12:51:29","modified_gmt":"2015-07-10T10:51:29","slug":"acfs-12-1-0-2-on-oracle-linux-7-1","status":"publish","type":"post","link":"https:\/\/www.dbi-services.com\/blog\/acfs-12-1-0-2-on-oracle-linux-7-1\/","title":{"rendered":"ACFS 12.1.0.2 on Oracle Linux 7.1"},"content":{"rendered":"

Recently we wanted to create an ACFS filesystem on a brand new 12.1.0.2 GI installation on Oracle Linux 7.1. According to the documentation<\/a> this should not be an issue as “Oracle Linux 7 with the Unbreakable Enterprise kernel: 3.8.13-33.el7uek.x86_64 or later” is supported.<\/p>\n

\"Read
\nThe “or later” is the important point. In our case:<\/p>\n

\nuname -a\nLinux racp1vm1 3.8.13-55.1.6.el7uek.x86_64 #2 SMP Wed Feb 11 14:18:22 PST 2015 x86_64 x86_64 x86_64 GNU\/Linux<\/pre>\n
 <\/p>\n
Should be fine as this is later than “3.8.13-33.el7uek.x86_64”. So let’s start by creating a diskgroup:<\/p>\n
[grid@racp1vm2 software]$ sqlplus \/ as sysasm\n\nSQL*Plus: Release 12.1.0.2.0 Production on Fri Jul 10 14:37:32 2015\n\nCopyright (c) 1982, 2014, Oracle. All rights reserved.\n\nConnected to:\nOracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production\nWith the Real Application Clusters and Automatic Storage Management options\n\nSQL> set lines 200\nSQL> col path for a30\nSQL> select name,path,header_status from v$asm_disk;\nNAME PATH HEADER_STATU\n------------------------------ ------------------------------ ------------\n\n\/dev\/sde1 CANDIDATE\n \/dev\/sdd1 CANDIDATE\n \/dev\/sdc1 CANDIDATE\n DATA_0001 \/dev\/sdb1 MEMBER\n DATA_0000 \/dev\/sda1 MEMBER\nSQL> create diskgroup DG_ACFS external redundancy disk '\/dev\/sde1';\nDiskgroup created.\n\nSQL> exit\nDisconnected from Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production\nWith the Real Application Clusters and Automatic Storage Management options\n\n[grid@racp1vm2 software]$ asmcmd lsdg\n State Type Rebal Sector Block AU Total_MB Free_MB Req_mir_free_MB Usable_file_MB Offline_disks Voting_files Name\n MOUNTED EXTERN N 512 4096 1048576 15998 9179 0 9179 0 Y DATA\/\n MOUNTED EXTERN N 512 4096 1048576 4999 4949 0 4949 0 N DG_ACFS\/\n [grid@racp1vm2 software]$\nThe next step is to create a volume on top of the diskgroup:\n\n[grid@racp1vm2 software]$ asmcmd volcreate -G DG_ACFS -s 4g vol_acfs\n ORA-15032: not all alterations performed\n ORA-15221: ASM operation requires compatible.asm of 11.2.0.0.0 or higher (DBD ERROR: OCIStmtExecute)\nOk, this is easy to fix:\n\nSQL> alter diskgroup DG_ACFS set attribute 'compatible.asm'='12.1';\nDiskgroup altered.\n\n<\/pre>\n
Let’s try again:<\/p>\n
[grid@racp1vm2 software]$ asmcmd volcreate -G DG_ACFS -s 4g vol_acfs\n ORA-15032: not all alterations performed\n ORA-15477: cannot communicate with the volume driver (DBD ERROR: OCIStmtExecute)<\/pre>\n
Hm. Seems something is wrong with the kernel modules:<\/p>\n
\n [grid@racp1vm2 software]$ lsmod | grep -i acfs\n [grid@racp1vm2 software]$<\/pre>\n
We can try to load the drivers manually:<\/p>\n
su - root\n [root@racp1vm2 ~]# export ORACLE_HOME=\/u01\/app\/12.1.0\/grid\n [root@racp1vm2 ~]# cd $ORACLE_HOME\/bin\n [root@racp1vm2 bin]# .\/acfsload start\n ACFS-9459: ADVM\/ACFS is not supported on this OS version: 'unknown'\n [root@racp1vm2 bin]#<\/pre>\n
What? According to the documentation it _is_ supported. Back in 2012 I wrote a small note on that message<\/a> and how one may tweak it. But this is definitely not recommended.<\/p>\n
So what is the cause of this? You can check the available kernel modules for the GI with:<\/p>\n
[root@racp1vm2 grid]# find . -name *.ko ...\n .\/usm\/install\/Novell\/SLES11\/x86_64\/SP2\/3.0.13-0.27\/xen\/bin\/oracleadvm.ko\n .\/usm\/install\/Novell\/SLES11\/x86_64\/SP2\/3.0.13-0.27\/xen\/bin\/oracleacfs.ko\n .\/usm\/install\/Novell\/SLES11\/x86_64\/SP2\/3.0.13-0.27\/xen\/bin\/oracleafd.ko\n .\/usm\/install\/Novell\/SLES11\/x86_64\/SP2\/3.0.13-0.27\/xen\/bin\/oracleoks.ko<\/pre>\n
Nothing about OL7. Hm. Maybe we need to apply a PSU that provides the required modules. I am on the 12.1.0.2 base release:<\/p>\n
$ORACLE_HOME\/OPatch\/opatch lsinv\n [grid@racp1vm2 software]$ $ORACLE_HOME\/OPatch\/opatch lsinv\nOracle Interim Patch Installer version 12.1.0.1.8\nCopyright (c) 2015, Oracle Corporation. All rights reserved.\nOracle Home : \/u01\/app\/12.1.0\/grid\n Central Inventory : \/u01\/app\/oraInventory\n from : \/u01\/app\/12.1.0\/grid\/oraInst.loc\n OPatch version : 12.1.0.1.8\n OUI version : 12.1.0.2.0\n Log file location : \/u01\/app\/12.1.0\/grid\/cfgtoollogs\/opatch\/opatch2015-07-10_14-50-34PM_1.log\nLsinventory Output file location : \/u01\/app\/12.1.0\/grid\/cfgtoollogs\/opatch\/lsinv\/lsinventory2015-07-10_14-50-34PM.txt\n \n--------------------------------------------------------------------------------\nLocal Machine Information::\nHostname: racp1vm2\nARU platform id: 226\nARU platform description:: Linux x86-64\n\nInstalled Top-level Products (1):\n\nOracle Grid Infrastructure 12c 12.1.0.2.0\nThere are 1 products installed in this Oracle Home.\n\nThere are no Interim patches installed in this Oracle Home.\n\nPatch level status of Cluster nodes :\n\nPatching Level Nodes\n-------------- -----\n0 racp1vm2,racp1vm1\n\n--------------------------------------------------------------------------------<\/pre>\n
Let’s check what the psu provides:<\/p>\n
unzip gi_121023_p20485724_121020_Linux-x86-64.zip\n find 20485724\/ -name *.ko | grep EL7\n 20485724\/20299018\/files\/usm\/install\/Oracle\/EL7UEK\/x86_64\/3.8.13-35\/3.8.13-35-x86_64\/bin\/oracleacfs.ko\n 20485724\/20299018\/files\/usm\/install\/Oracle\/EL7UEK\/x86_64\/3.8.13-35\/3.8.13-35-x86_64\/bin\/oracleafd.ko\n 20485724\/20299018\/files\/usm\/install\/Oracle\/EL7UEK\/x86_64\/3.8.13-35\/3.8.13-35-x86_64\/bin\/oracleadvm.ko\n 20485724\/20299018\/files\/usm\/install\/Oracle\/EL7UEK\/x86_64\/3.8.13-35\/3.8.13-35-x86_64\/bin\/oracleoks.ko\n 20485724\/20299018\/files\/usm\/install\/Oracle\/EL7\/x86_64\/3.10.0-123\/3.10.0-123-x86_64\/bin\/oracleacfs.ko\n 20485724\/20299018\/files\/usm\/install\/Oracle\/EL7\/x86_64\/3.10.0-123\/3.10.0-123-x86_64\/bin\/oracleafd.ko\n 20485724\/20299018\/files\/usm\/install\/Oracle\/EL7\/x86_64\/3.10.0-123\/3.10.0-123-x86_64\/bin\/oracleadvm.ko\n 20485724\/20299018\/files\/usm\/install\/Oracle\/EL7\/x86_64\/3.10.0-123\/3.10.0-123-x86_64\/bin\/oracleoks.ko<\/pre>\n
Looks much better. Once the PSU is applied…:<\/p>\n
[grid@racp1vm1 ~]$ \/u01\/app\/12.1.0\/grid\/OPatch\/opatch lsinv | grep Patch\n Oracle Interim Patch Installer version 12.1.0.1.8\n OPatch version : 12.1.0.1.8\n Patch 20299023 : applied on Fri Jul 10 15:03:44 CEST 2015\n Unique Patch ID: 18703022\n Patch description: \"Database Patch Set Update : 12.1.0.2.3 (20299023)\"\n Sub-patch 19769480; \"Database Patch Set Update : 12.1.0.2.2 (19769480)\"\n Patch 20299022 : applied on Fri Jul 10 15:03:15 CEST 2015\n Unique Patch ID: 18582504\n Patch description: \"OCW Patch Set Update : 12.1.0.2.3 (20299022)\"\n Patch 20299018 : applied on Fri Jul 10 15:02:20 CEST 2015\n Unique Patch ID: 18582442\n Patch description: \"ACFS Patch Set Update : 12.1.0.2.3 (20299018)\"\n Patch 19872484 : applied on Fri Jul 10 15:01:44 CEST 2015\n Unique Patch ID: 18291456\n Patch description: \"WLM Patch Set Update: 12.1.0.2.2 (19872484)\"\n OPatch succeeded.\n [grid@racp1vm1 ~]$<\/pre>\n
… let’s check the kernel modules again:<\/p>\n
[root@racp1vm1 ~]# lsmod | grep -i acfs\n oracleacfs 3335385 0\n oracleoks 499875 2 oracleacfs,oracleadvm\nLooks good, now. Can we create the volume?:\n [grid@racp1vm1 ~]$ asmcmd volcreate -G DG_ACFS -s 4g vol_acfs\n [grid@racp1vm1 ~]$ asmcmd volinfo --all\n Diskgroup Name: DG_ACFS\nVolume Name: VOL_ACFS\n Volume Device: \/dev\/asm\/vol_acfs-288\n State: ENABLED\n Size (MB): 4096\n Resize Unit (MB): 64\n Redundancy: UNPROT\n Stripe Columns: 8\n Stripe Width (K): 1024<\/pre>\n
Perfect. Now the acfs filesystem can be created:<\/p>\n
su -\n [root@racp1vm1 ~]# mkfs.acfs \/dev\/asm\/vol_acfs-288\n mkfs.acfs: version = 12.1.0.2.0\n mkfs.acfs: on-disk version = 39.0\n mkfs.acfs: volume = \/dev\/asm\/vol_acfs-288\n mkfs.acfs: volume size = 4294967296 ( 4.00 GB )\n mkfs.acfs: Format complete.<\/pre>\n
Hope this helps …<\/p>\n","protected":false},"excerpt":{"rendered":"
Recently we wanted to create an ACFS filesystem on a brand new 12.1.0.2 GI installation on Oracle Linux 7.1. According to the documentation this should not be an issue as “Oracle Linux 7 with the Unbreakable Enterprise kernel: 3.8.13-33.el7uek.x86_64 or later” is supported. The “or later” is the important point. In our case: uname -a […]<\/p>\n","protected":false},"author":29,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[229],"tags":[600,38,23,84,96],"type_dbi":[],"class_list":["post-5163","post","type-post","status-publish","format-standard","hentry","category-database-administration-monitoring","tag-acfs","tag-cluster","tag-dba","tag-high-availability","tag-oracle"],"acf":[],"yoast_head":"\nACFS 12.1.0.2 on Oracle Linux 7.1 - 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\/acfs-12-1-0-2-on-oracle-linux-7-1\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"ACFS 12.1.0.2 on Oracle Linux 7.1\" \/>\n<meta property=\"og:description\" content=\"Recently we wanted to create an ACFS filesystem on a brand new 12.1.0.2 GI installation on Oracle Linux 7.1. 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He has more than 15 years of experience in management, engineering and optimization of databases and infrastructures, especially on Oracle and PostgreSQL. Since the beginning of his career, he has specialized in Oracle Technologies and is Oracle Certified Professional 12c and Oracle Certified Expert RAC\/GridInfra. Over time, Daniel has become increasingly interested in open source technologies, becoming \u201cTechnology Leader Open Infrastructure\u201d and PostgreSQL expert. \u00a0Based on community or EnterpriseDB tools, he develops and installs complex high available solutions with PostgreSQL. He is also a certified PostgreSQL Plus 9.0 Professional and a Postgres Advanced Server 9.4 Professional. He is a regular speaker at PostgreSQL conferences in Switzerland and Europe. Today Daniel is also supporting our customers on AWS services such as AWS RDS, database migrations into the cloud, EC2 and automated infrastructure management with AWS SSM (System Manager). He is a certified AWS Solutions Architect Professional. Prior to dbi services, Daniel was Management System Engineer at LC SYSTEMS-Engineering AG in Basel. Before that, he worked as Oracle Developper &\u00a0Project Manager at Delta Energy Solutions AG in Basel (today Powel AG). Daniel holds a diploma in Business Informatics (DHBW, Germany). 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He has more than 15 years of experience in management, engineering and optimization of databases and infrastructures, especially on Oracle and PostgreSQL. Since the beginning of his career, he has specialized in Oracle Technologies and is Oracle Certified Professional 12c and Oracle Certified Expert RAC\/GridInfra. Over time, Daniel has become increasingly interested in open source technologies, becoming \u201cTechnology Leader Open Infrastructure\u201d and PostgreSQL expert. \u00a0Based on community or EnterpriseDB tools, he develops and installs complex high available solutions with PostgreSQL. He is also a certified PostgreSQL Plus 9.0 Professional and a Postgres Advanced Server 9.4 Professional. He is a regular speaker at PostgreSQL conferences in Switzerland and Europe. Today Daniel is also supporting our customers on AWS services such as AWS RDS, database migrations into the cloud, EC2 and automated infrastructure management with AWS SSM (System Manager). He is a certified AWS Solutions Architect Professional. Prior to dbi services, Daniel was Management System Engineer at LC SYSTEMS-Engineering AG in Basel. Before that, he worked as Oracle Developper &\u00a0Project Manager at Delta Energy Solutions AG in Basel (today Powel AG). Daniel holds a diploma in Business Informatics (DHBW, Germany). 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