{"id":11355,"date":"2018-06-20T17:33:03","date_gmt":"2018-06-20T15:33:03","guid":{"rendered":"https:\/\/www.dbi-services.com\/blog\/migrating-from-asmlib-to-asmfd\/"},"modified":"2023-06-09T16:57:55","modified_gmt":"2023-06-09T14:57:55","slug":"migrating-from-asmlib-to-asmfd","status":"publish","type":"post","link":"https:\/\/www.dbi-services.com\/blog\/migrating-from-asmlib-to-asmfd\/","title":{"rendered":"Migrating from ASMLIB to ASMFD"},"content":{"rendered":"

By Mouhamadou Diaw<\/strong><\/p>\n

Before Oracle 12.1 the methods used to configure ASM were
\n\u2022 udev
\n\u2022 asmlib
\nOracle 12.1 comes with a new method called Oracle ASM Filter Driver (Oracle ASMFD).
\nIn Oracle documentation we can find following:
\nOracle ASM Filter Driver (Oracle ASMFD) is a kernel module that resides in the I\/O path of the Oracle ASM disks. Oracle ASM uses the filter driver to validate write I\/O requests to Oracle ASM disks.
\nThe Oracle ASMFD simplifies the configuration and management of disk devices by eliminating the need to rebind disk devices used with Oracle ASM each time the system is restarted.
\nThe Oracle ASM Filter Driver rejects any I\/O requests that are invalid. This action eliminates accidental overwrites of Oracle ASM disks that would cause corruption in the disks and files within the disk group. For example, the Oracle ASM Filter Driver filters out all non-Oracle I\/Os which could cause accidental overwrites.<\/em><\/p>\n

In the following blog I am going to migrate from asmlib to asmfd. I am using a cluster 12.1 with 2 nodes.<\/p>\n

Below we present our actual configuration.<\/p>\n

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\n
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[root@rac12a ~]<\/code># crsctl check cluster -all<\/code><\/div>\n
**************************************************************<\/code><\/div>\n
rac12a:<\/code><\/div>\n
CRS-4537: Cluster Ready Services is online<\/code><\/div>\n
CRS-4529: Cluster Synchronization Services is online<\/code><\/div>\n
CRS-4533: Event Manager is online<\/code><\/div>\n
**************************************************************<\/code><\/div>\n
rac12b:<\/code><\/div>\n
CRS-4537: Cluster Ready Services is online<\/code><\/div>\n
CRS-4529: Cluster Synchronization Services is online<\/code><\/div>\n
CRS-4533: Event Manager is online<\/code><\/div>\n
**************************************************************<\/code><\/div>\n
[root@rac12a ~]<\/code>#<\/code><\/div>\n
<\/div>\n
<\/div>\n
[root@rac12a ~]<\/code># crsctl get cluster mode status<\/code><\/div>\n
Cluster is running <\/code>in<\/code> \"flex\"<\/code> mode<\/code><\/div>\n
[root@rac12a ~]<\/code>#<\/code><\/div>\n
<\/div>\n
[root@rac12a ~]<\/code># ps -ef | grep pmon<\/code><\/div>\n
grid\u00a0\u00a0\u00a0\u00a0\u00a0 7217\u00a0\u00a0\u00a0\u00a0 1\u00a0 0 11:20 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 asm_pmon_+ASM1<\/code><\/div>\n
grid\u00a0\u00a0\u00a0\u00a0\u00a0 8070\u00a0\u00a0\u00a0\u00a0 1\u00a0 0 11:21 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 apx_pmon_+APX1<\/code><\/div>\n
oracle\u00a0\u00a0\u00a0 8721\u00a0\u00a0\u00a0\u00a0 1\u00a0 0 11:22 ?\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 00:00:00 ora_pmon_mydb_1<\/code><\/div>\n
root\u00a0\u00a0\u00a0\u00a0 14395\u00a0 2404\u00a0 0 11:32 pts<\/code>\/0<\/code>\u00a0\u00a0\u00a0 00:00:00 <\/code>grep<\/code> --color=auto pmon<\/code><\/div>\n
[root@rac12a ~]<\/code>#<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

First let\u2019s get information about our ASM disks. We will use these outputs later to migrate the disks to ASMFD disks<\/p>\n

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[root@rac12a ~]<\/code># oracleasm listdisks | xargs oracleasm querydisk -p\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/code><\/div>\n
Disk <\/code>\"ASM_DATA\"<\/code> is a valid ASM disk<\/code><\/div>\n
\/dev\/sdc1<\/code>: LABEL=<\/code>\"ASM_DATA\"<\/code> TYPE=<\/code>\"oracleasm\"<\/code><\/div>\n
Disk <\/code>\"ASM_DIVERS\"<\/code> is a valid ASM disk<\/code><\/div>\n
\/dev\/sdd1<\/code>: LABEL=<\/code>\"ASM_DIVERS\"<\/code> TYPE=<\/code>\"oracleasm\"<\/code><\/div>\n
Disk <\/code>\"ASM_OCR1\"<\/code> is a valid ASM disk<\/code><\/div>\n
\/dev\/sdg1<\/code>: LABEL=<\/code>\"ASM_OCR1\"<\/code> TYPE=<\/code>\"oracleasm\"<\/code><\/div>\n
Disk <\/code>\"ASM_OCR2\"<\/code> is a valid ASM disk<\/code><\/div>\n
\/dev\/sdi1<\/code>: LABEL=<\/code>\"ASM_OCR2\"<\/code> TYPE=<\/code>\"oracleasm\"<\/code><\/div>\n
Disk <\/code>\"ASM_VOT1\"<\/code> is a valid ASM disk<\/code><\/div>\n
\/dev\/sde1<\/code>: LABEL=<\/code>\"ASM_VOT1\"<\/code> TYPE=<\/code>\"oracleasm\"<\/code><\/div>\n
Disk <\/code>\"ASM_VOT2\"<\/code> is a valid ASM disk<\/code><\/div>\n
\/dev\/sdh1<\/code>: LABEL=<\/code>\"ASM_VOT2\"<\/code> TYPE=<\/code>\"oracleasm\"<\/code><\/div>\n
Disk <\/code>\"ASM_VOT3\"<\/code> is a valid ASM disk<\/code><\/div>\n
\/dev\/sdf1<\/code>: LABEL=<\/code>\"ASM_VOT3\"<\/code> TYPE=<\/code>\"oracleasm\"<\/code><\/div>\n
[root@rac12a ~]<\/code>#<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

To migrate to ASMFD, we first have to change the value of the parameter diskstring for the ASM instance. The actual value can be get by using<\/p>\n

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[grid@rac12a trace]$ asmcmd dsget<\/code><\/div>\n
parameter:ORCL:*<\/code><\/div>\n
profile:ORCL:*<\/code><\/div>\n
[grid@rac12a trace]$<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

Let\u2019s set the new value on both nodes<\/p>\n

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grid@rac12a trace]$ asmcmd dsset <\/code>'ORCL:*'<\/code>,<\/code>'AFD:*'<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

We can then verify<\/p>\n

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[grid@rac12a trace]$ asmcmd dsget<\/code><\/div>\n
parameter:ORCL:*, AFD:*<\/code><\/div>\n
profile:ORCL:*,AFD:*<\/code><\/div>\n
[grid@rac12a trace]$<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

Once the new value of the diskstring set, let stop the cluster on both nodes<\/p>\n

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[root@rac12a ~]<\/code># crsctl stop cluster<\/code><\/div>\n
[root@rac12b ~]<\/code># crsctl stop cluster<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

Once the cluster is stopped we have to disable and stop asmlib on both nodes<\/p>\n

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[root@rac12a ~]<\/code># systemctl disable oracleasm<\/code><\/div>\n
Removed <\/code>symlink<\/code> \/etc\/systemd\/system\/multi-user<\/code>.target.wants<\/code>\/oracleasm<\/code>.service.<\/code><\/div>\n
<\/div>\n
[root@rac12a ~]<\/code># oracleasm status<\/code><\/div>\n
Checking <\/code>if<\/code> ASM is loaded: <\/code>yes<\/code><\/div>\n
Checking <\/code>if<\/code> \/dev\/oracleasm<\/code> is mounted: <\/code>yes<\/code><\/div>\n
<\/div>\n
[root@rac12a ~]<\/code># oracleasm exit<\/code><\/div>\n
Unmounting ASMlib driver filesystem: <\/code>\/dev\/oracleasm<\/code><\/div>\n
Unloading module <\/code>\"oracleasm\"<\/code>: oracleasm<\/code><\/div>\n
[root@rac12a ~]<\/code>#<\/code><\/div>\n
<\/div>\n
[root@rac12a ~]<\/code># ls -ltr \/dev\/oracleasm\/<\/code><\/div>\n
total 0<\/code><\/div>\n
[root@rac12a ~]<\/code>#<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

Now let\u2019s remove all packages relative to ASMLIB on both nodes<\/p>\n

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[root@rac12a oracle]<\/code># rpm -e oracleasm-support-2.1.11-2.el7.x86_64 oracleasmlib-2.0.12-1.el7.x86_64<\/code><\/div>\n
warning: <\/code>\/etc\/sysconfig\/oracleasm<\/code> saved as <\/code>\/etc\/sysconfig\/oracleasm<\/code>.rpmsave<\/code><\/div>\n
[root@rac12a oracle]<\/code>#<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

The next step is to stop acfsload on both nodes<\/p>\n

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[root@rac12a ~]<\/code># lsmod | grep acfs<\/code><\/div>\n
oracleacfs\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3343483\u00a0 0<\/code><\/div>\n
oracleoks\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 500109\u00a0 2 oracleacfs,oracleadvm<\/code><\/div>\n
[root@rac12a ~]<\/code>#<\/code><\/div>\n
<\/div>\n
[root@rac12a ~]<\/code># acfsload stop<\/code><\/div>\n
[root@rac12a ~]<\/code># lsmod | grep acfs<\/code><\/div>\n
[root@rac12a ~]<\/code>#<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

As root, we can now configure Oracle ASMFD to filter at the node level. In my case steps were done on both nodes<\/p>\n

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[root@rac12a oracle]<\/code># asmcmd afd_configure<\/code><\/div>\n
Connected to an idle instance.<\/code><\/div>\n
AFD-627: AFD distribution files found.<\/code><\/div>\n
AFD-636: Installing requested AFD software.<\/code><\/div>\n
AFD-637: Loading installed AFD drivers.<\/code><\/div>\n
AFD-9321: Creating udev <\/code>for<\/code> AFD.<\/code><\/div>\n
AFD-9323: Creating module dependencies - this may take some <\/code>time<\/code>.<\/code><\/div>\n
AFD-9154: Loading <\/code>'oracleafd.ko'<\/code> driver.<\/code><\/div>\n
AFD-649: Verifying AFD devices.<\/code><\/div>\n
AFD-9156: Detecting control device <\/code>'\/dev\/oracleafd\/admin'<\/code>.<\/code><\/div>\n
AFD-638: AFD installation correctness verified.<\/code><\/div>\n
[root@rac12a oracle]<\/code>#<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

Once the configuration done, we can check AFD state on all nodes<\/p>\n

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[root@rac12a oracle]<\/code># asmcmd afd_state<\/code><\/div>\n
Connected to an idle instance.<\/code><\/div>\n
ASMCMD-9526: The AFD state is <\/code>'LOADED'<\/code> and filtering is <\/code>'DISABLED'<\/code> on host <\/code>'rac12a.localdomain'<\/code><\/div>\n
[root@rac12a oracle]<\/code>#<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

We can see that afd module is loaded but the filtering is disabled. We then have to edit the oracleafd.conf to enable the filtering<\/p>\n

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[root@rac12a etc]<\/code># cat oracleafd.conf<\/code><\/div>\n
afd_diskstring=<\/code>'\/dev\/sd*1'<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

And then we have to run on both nodes<\/p>\n

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[root@rac12a etc]<\/code># asmcmd afd_filter -e<\/code><\/div>\n
Connected to an idle instance.<\/code><\/div>\n
[root@rac12a etc]<\/code>#<\/code><\/div>\n
<\/div>\n
[root@rac12b ~]<\/code>#\u00a0 asmcmd afd_filter -e<\/code><\/div>\n
Connected to an idle instance.<\/code><\/div>\n
[root@rac12b ~]<\/code>#<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

Running again the afd_state command, we can confirm that the filtering is now enabled.<\/p>\n

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[root@rac12a etc]<\/code># asmcmd afd_state<\/code><\/div>\n
Connected to an idle instance.<\/code><\/div>\n
ASMCMD-9526: The AFD state is <\/code>'LOADED'<\/code> and filtering is <\/code>'ENABLED'<\/code> on host <\/code>'rac12a.localdomain'<\/code><\/div>\n
[root@rac12a etc]<\/code>#<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

Now we can migrate all asm disks.<\/p>\n

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[root@rac12a etc]<\/code># asmcmd afd_label ASM_DATA \/dev\/sdc1 --migrate<\/code><\/div>\n
Connected to an idle instance.<\/code><\/div>\n
[root@rac12a etc]<\/code># asmcmd afd_label ASM_DIVERS \/dev\/sdd1 --migrate<\/code><\/div>\n
Connected to an idle instance.<\/code><\/div>\n
[root@rac12a etc]<\/code># asmcmd afd_label ASM_OCR1 \/dev\/sdg1 --migrate<\/code><\/div>\n
Connected to an idle instance.<\/code><\/div>\n
[root@rac12a etc]<\/code># asmcmd afd_label ASM_OCR2 \/dev\/sdi1 --migrate<\/code><\/div>\n
Connected to an idle instance.<\/code><\/div>\n
[root@rac12a etc]<\/code># asmcmd afd_label ASM_VOT1 \/dev\/sde1 --migrate<\/code><\/div>\n
Connected to an idle instance.<\/code><\/div>\n
[root@rac12a etc]<\/code># asmcmd afd_label ASM_VOT2 \/dev\/sdh1 --migrate<\/code><\/div>\n
Connected to an idle instance.<\/code><\/div>\n
[root@rac12a etc]<\/code># asmcmd afd_label ASM_VOT3 \/dev\/sdf1 --migrate<\/code><\/div>\n
Connected to an idle instance.<\/code><\/div>\n
[root@rac12a etc]<\/code>#<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

We can verify the ASMFD disks using the command<\/p>\n

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[root@rac12b ~]<\/code># asmcmd afd_lsdsk<\/code><\/div>\n
Connected to an idle instance.<\/code><\/div>\n
--------------------------------------------------------------------------------<\/code><\/div>\n
Label\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 Filtering\u00a0\u00a0 Path<\/code><\/div>\n
================================================================================<\/code><\/div>\n
ASM_DATA\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ENABLED\u00a0\u00a0 <\/code>\/dev\/sdc1<\/code><\/div>\n
ASM_DIVERS\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ENABLED\u00a0\u00a0 <\/code>\/dev\/sdd1<\/code><\/div>\n
ASM_OCR1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ENABLED\u00a0\u00a0 <\/code>\/dev\/sdg1<\/code><\/div>\n
ASM_OCR2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ENABLED\u00a0\u00a0 <\/code>\/dev\/sdi1<\/code><\/div>\n
ASM_VOT1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ENABLED\u00a0\u00a0 <\/code>\/dev\/sde1<\/code><\/div>\n
ASM_VOT2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ENABLED\u00a0\u00a0 <\/code>\/dev\/sdh1<\/code><\/div>\n
ASM_VOT3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 ENABLED\u00a0\u00a0 <\/code>\/dev\/sdf1<\/code><\/div>\n
[root@rac12b ~]<\/code>#<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

Let’s update the afd.conf so that ASMFD can mount ASMFD disks.<\/p>\n

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[root@rac12a etc]<\/code># cat afd.conf<\/code><\/div>\n
afd_diskstring=<\/code>'\/dev\/sd*'<\/code><\/div>\n
afd_filtering=<\/code>enable<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

When the ASMFD disks are visible on both nodes, we can start acsfload on both nodes<\/p>\n

\n
\n\n\n\n
\n
1<\/div>\n
2<\/div>\n
3<\/div>\n
4<\/div>\n
5<\/div>\n
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7<\/div>\n
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10<\/div>\n
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12<\/div>\n
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\n
\n
[root@rac12a etc]<\/code># acfsload start<\/code><\/div>\n
ACFS-9391: Checking <\/code>for<\/code> existing ADVM<\/code>\/ACFS<\/code> installation.<\/code><\/div>\n
ACFS-9392: Validating ADVM<\/code>\/ACFS<\/code> installation files <\/code>for<\/code> operating system.<\/code><\/div>\n
ACFS-9393: Verifying ASM Administrator setup.<\/code><\/div>\n
ACFS-9308: Loading installed ADVM<\/code>\/ACFS<\/code> drivers.<\/code><\/div>\n
ACFS-9154: Loading <\/code>'oracleoks.ko'<\/code> driver.<\/code><\/div>\n
ACFS-9154: Loading <\/code>'oracleadvm.ko'<\/code> driver.<\/code><\/div>\n
ACFS-9154: Loading <\/code>'oracleacfs.ko'<\/code> driver.<\/code><\/div>\n
ACFS-9327: Verifying ADVM<\/code>\/ACFS<\/code> devices.<\/code><\/div>\n
ACFS-9156: Detecting control device <\/code>'\/dev\/asm\/.asm_ctl_spec'<\/code>.<\/code><\/div>\n
ACFS-9156: Detecting control device <\/code>'\/dev\/ofsctl'<\/code>.<\/code><\/div>\n
ACFS-9322: completed<\/code><\/div>\n
[root@rac12a etc]<\/code>#<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

Now the conversion is done and we can start crs on both nodes<\/p>\n

\n
\n\n\n\n
\n
1<\/div>\n
2<\/div>\n
3<\/div>\n<\/td>\n
\n
\n
[root@rac12a ~]<\/code># crsctl start crs<\/code><\/div>\n
<\/div>\n
[root@rac12b ~]<\/code># crsctl start crs<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

We can remove all asmlib references in the parameter diskstring<\/p>\n

\n
\n\n\n\n
\n
1<\/div>\n
2<\/div>\n
3<\/div>\n
4<\/div>\n
5<\/div>\n
6<\/div>\n
7<\/div>\n
8<\/div>\n
9<\/div>\n
10<\/div>\n<\/td>\n
\n
\n
[grid@rac12a trace]$ asmcmd dsget<\/code><\/div>\n
parameter:ORCL:*, AFD:*<\/code><\/div>\n
profile:ORCL:*,AFD:*<\/code><\/div>\n
<\/div>\n
[grid@rac12a trace]$ asmcmd dsset <\/code>'AFD:*'<\/code><\/div>\n
<\/div>\n
[grid@rac12a trace]$ asmcmd dsget<\/code><\/div>\n
parameter:AFD:*<\/code><\/div>\n
profile:AFD:*<\/code><\/div>\n
[grid@rac12a trace]$<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

Once the cluster started, we can verify the disk names<\/p>\n

\n
\n\n\n\n
\n
1<\/div>\n
2<\/div>\n
3<\/div>\n
4<\/div>\n
5<\/div>\n
6<\/div>\n
7<\/div>\n
8<\/div>\n
9<\/div>\n
10<\/div>\n<\/td>\n
\n
\n
[grid@rac12a trace]$ asmcmd lsdsk<\/code><\/div>\n
Path<\/code><\/div>\n
AFD:ASM_DATA<\/code><\/div>\n
AFD:ASM_DIVERS<\/code><\/div>\n
AFD:ASM_OCR1<\/code><\/div>\n
AFD:ASM_OCR2<\/code><\/div>\n
AFD:ASM_VOT1<\/code><\/div>\n
AFD:ASM_VOT2<\/code><\/div>\n
AFD:ASM_VOT3<\/code><\/div>\n
[grid@rac12a trace]$<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

We can also use following command to confirm that now ASMFD is being used<\/p>\n

\n
\n\n\n\n
\n
1<\/div>\n
2<\/div>\n
3<\/div>\n
4<\/div>\n
5<\/div>\n
6<\/div>\n
7<\/div>\n
8<\/div>\n
9<\/div>\n
10<\/div>\n
11<\/div>\n
12<\/div>\n
13<\/div>\n
14<\/div>\n
15<\/div>\n
16<\/div>\n
17<\/div>\n
18<\/div>\n
19<\/div>\n
20<\/div>\n
21<\/div>\n
22<\/div>\n
23<\/div>\n
24<\/div>\n
25<\/div>\n
26<\/div>\n
27<\/div>\n<\/td>\n
\n
\n
set<\/code> linesize 300<\/code><\/div>\n
col PATH <\/code>for<\/code> a20<\/code><\/div>\n
set<\/code> pages 20<\/code><\/div>\n
col LIBRARY <\/code>for<\/code> a45<\/code><\/div>\n
col <\/code>NAME<\/code> for<\/code> a15<\/code><\/div>\n
select<\/code> inst_id,group_number grp_num,<\/code>name<\/code>,state,header_status header,mount_status mount,path, library<\/code><\/div>\n
from<\/code> gv$asm_disk <\/code>order<\/code> by<\/code> inst_id,group_number,<\/code>name<\/code>;<\/code><\/div>\n
<\/div>\n
<\/div>\n
\u00a0\u00a0\u00a0<\/code>INST_ID\u00a0\u00a0\u00a0 GRP_NUM <\/code>NAME<\/code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 STATE\u00a0\u00a0\u00a0 HEADER\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 MOUNT\u00a0\u00a0 PATH\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 LIBRARY<\/code><\/div>\n
---------- ---------- --------------- -------- ------------ ------- -------------------- ---------------------------------------------<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1 ASM_DIVERS\u00a0\u00a0\u00a0\u00a0\u00a0 NORMAL\u00a0\u00a0 MEMBER\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CACHED\u00a0 AFD:ASM_DIVERS\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 AFD Library - Generic , version 3 (KABI_V3)<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2 ASM_OCR1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 NORMAL\u00a0\u00a0 MEMBER\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CACHED\u00a0 AFD:ASM_OCR1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 AFD Library - Generic , version 3 (KABI_V3)<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2 ASM_OCR2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 NORMAL\u00a0\u00a0 MEMBER\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CACHED\u00a0 AFD:ASM_OCR2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 AFD Library - Generic , version 3 (KABI_V3)<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3 ASM_DATA\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 NORMAL\u00a0\u00a0 MEMBER\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CACHED\u00a0 AFD:ASM_DATA\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 AFD Library - Generic , version 3 (KABI_V3)<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4 ASM_VOT1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 NORMAL\u00a0\u00a0 MEMBER\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CACHED\u00a0 AFD:ASM_VOT1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 AFD Library - Generic , version 3 (KABI_V3)<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4 ASM_VOT2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 NORMAL\u00a0\u00a0 MEMBER\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CACHED\u00a0 AFD:ASM_VOT2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 AFD Library - Generic , version 3 (KABI_V3)<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4 ASM_VOT3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 NORMAL\u00a0\u00a0 MEMBER\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CACHED\u00a0 AFD:ASM_VOT3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 AFD Library - Generic , version 3 (KABI_V3)<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 1 ASM_DIVERS\u00a0\u00a0\u00a0\u00a0\u00a0 NORMAL\u00a0\u00a0 MEMBER\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CACHED\u00a0 AFD:ASM_DIVERS\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 AFD Library - Generic , version 3 (KABI_V3)<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2 ASM_OCR1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 NORMAL\u00a0\u00a0 MEMBER\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CACHED\u00a0 AFD:ASM_OCR1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 AFD Library - Generic , version 3 (KABI_V3)<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 2 ASM_OCR2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 NORMAL\u00a0\u00a0 MEMBER\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CACHED\u00a0 AFD:ASM_OCR2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 AFD Library - Generic , version 3 (KABI_V3)<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 3 ASM_DATA\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 NORMAL\u00a0\u00a0 MEMBER\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CACHED\u00a0 AFD:ASM_DATA\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 AFD Library - Generic , version 3 (KABI_V3)<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4 ASM_VOT1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 NORMAL\u00a0\u00a0 MEMBER\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CACHED\u00a0 AFD:ASM_VOT1\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 AFD Library - Generic , version 3 (KABI_V3)<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4 ASM_VOT2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 NORMAL\u00a0\u00a0 MEMBER\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CACHED\u00a0 AFD:ASM_VOT2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 AFD Library - Generic , version 3 (KABI_V3)<\/code><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/code>2\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 4 ASM_VOT3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 NORMAL\u00a0\u00a0 MEMBER\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 CACHED\u00a0 AFD:ASM_VOT3\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 AFD Library - Generic , version 3 (KABI_V3)<\/code><\/div>\n
<\/div>\n
14 <\/code>rows<\/code> selected.<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

By Mouhamadou Diaw Before Oracle 12.1 the methods used to configure ASM were \u2022 udev \u2022 asmlib Oracle 12.1 comes with a new method called Oracle ASM Filter Driver (Oracle ASMFD). In Oracle documentation we can find following: Oracle ASM Filter Driver (Oracle ASMFD) is a kernel module that resides in the I\/O path of […]<\/p>\n","protected":false},"author":27,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[229],"tags":[37,1376,1377,1378,1379],"type_dbi":[],"class_list":["post-11355","post","type-post","status-publish","format-standard","hentry","category-database-administration-monitoring","tag-asm","tag-asmfd","tag-asmlib","tag-grid-infrastrure","tag-oracle-12-1"],"acf":[],"yoast_head":"\nMigrating from ASMLIB to ASMFD - dbi Blog<\/title>\n<meta name=\"description\" content=\"grid infrastrure, ASM, oracle 12.1 , asmlib, asmfd\" \/>\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\/migrating-from-asmlib-to-asmfd\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Migrating from ASMLIB to ASMFD\" \/>\n<meta property=\"og:description\" content=\"grid infrastrure, ASM, oracle 12.1 , asmlib, asmfd\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.dbi-services.com\/blog\/migrating-from-asmlib-to-asmfd\/\" \/>\n<meta property=\"og:site_name\" content=\"dbi Blog\" \/>\n<meta property=\"article:published_time\" content=\"2018-06-20T15:33:03+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-06-09T14:57:55+00:00\" \/>\n<meta name=\"author\" content=\"Oracle Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Oracle Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"8 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.dbi-services.com\/blog\/migrating-from-asmlib-to-asmfd\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.dbi-services.com\/blog\/migrating-from-asmlib-to-asmfd\/\"},\"author\":{\"name\":\"Oracle Team\",\"@id\":\"https:\/\/www.dbi-services.com\/blog\/#\/schema\/person\/66ab87129f2d357f09971bc7936a77ee\"},\"headline\":\"Migrating from ASMLIB to ASMFD\",\"datePublished\":\"2018-06-20T15:33:03+00:00\",\"dateModified\":\"2023-06-09T14:57:55+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.dbi-services.com\/blog\/migrating-from-asmlib-to-asmfd\/\"},\"wordCount\":475,\"commentCount\":2,\"keywords\":[\"ASM\",\"asmfd\",\"asmlib\",\"grid infrastrure\",\"oracle 12.1\"],\"articleSection\":[\"Database Administration & Monitoring\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.dbi-services.com\/blog\/migrating-from-asmlib-to-asmfd\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.dbi-services.com\/blog\/migrating-from-asmlib-to-asmfd\/\",\"url\":\"https:\/\/www.dbi-services.com\/blog\/migrating-from-asmlib-to-asmfd\/\",\"name\":\"Migrating from ASMLIB to ASMFD - 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