in CentOS oracleasm >= 1.0.4 is needed by oracleasmlib-2.0.12-1.el7.x86_64 

=======================================

download link 

https://www.oracle.com/linux/downloads/linux-asmlib-v8-downloads.html

https://public-yum.oracle.com/repo/OracleLinux/OL8/addons/x86_64/index.html

Oracle ASMLib Software Update and Support Policy (Doc ID 1089399.1)

https://public-yum.oracle.com/repo/OracleLinux/OL8/5/baseos/base/x86_64/index.html  kmod

Oracle ASMLib 3.0 oracleasmlib-3.0.0.-13.el8.x86_64.rpm Installing and Configuring Oracle ASMLib v3
Oracle ASMLib 2.0 oracleasmlib-2.0.17-1.el8.x86_64.rpm Customers should upgrade to ASMLib v3

=======================================================================================================================================

[root@oraafd ~]# cat /etc/redhat-release
CentOS Linux release 8.5.2111
[root@oraafd ~]#





[root@oraafd ~]# ls -ltr
total 188
-rw-r--r--  1 root root 27092 Jun  1  2020 oracleasmlib-2.0.17-1.el8.x86_64.rpm

-rw-r--r--  1 root root 18204 Nov 21 13:54 oracle-database-preinstall-19c-1.0-1.el7.x86_64.rpm
-rw-r--r--  1 root root 31828 Nov 21 14:01 oracle-database-preinstall-19c-1.0-2.el8.x86_64.rpm
-rw-r--r--  1 root root 99852 Nov 22 12:06 oracleasm-support-2.1.12-1.el8.x86_64.rpm



[root@oraafd ~]# yum localinstall ./oracleasm-support-2.1.12-1.el8.x86_64.rpm ./oracleasmlib-2.0.17-1.el8.x86_64.rpm
Last metadata expiration check: 20:41:08 ago on Thu 21 Nov 2024 15:27:04 GMT.
Error:
 Problem: conflicting requests
  - nothing provides oracleasm >= 1.0.4 needed by oracleasmlib-2.0.17-1.el8.x86_64
(try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)



[root@oraafd ~]# yum localinstall oracleasmlib-2.0.17-1.el8.x86_64.rpm
Last metadata expiration check: 20:41:34 ago on Thu 21 Nov 2024 15:27:04 GMT.
Error:
 Problem: conflicting requests
  - nothing provides oracleasm >= 1.0.4 needed by oracleasmlib-2.0.17-1.el8.x86_64
(try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)



use below command 
###################################################################################################################################

[root@oraafd ~]# rpm -Uvh --nodeps --force oracleasmlib-2.0.17-1.el8.x86_64.rpm
warning: oracleasmlib-2.0.17-1.el8.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID ad986da3: NOKEY
Verifying...                          ################################# [100%]
Preparing...                          ################################# [100%]
Updating / installing...
   1:oracleasmlib-2.0.17-1.el8        ################################# [100%]

########################################################################################################################################################

[root@oraafd ~]# yum localinstall oracleasm-support-2.1.12-1.el8.x86_64.rpm
Last metadata expiration check: 20:43:51 ago on Thu 21 Nov 2024 15:27:04 GMT.
Dependencies resolved.
==============================================================================================================================================================================================================
 Package                                                Architecture                                Version                                           Repository                                         Size
==============================================================================================================================================================================================================
Installing:
 oracleasm-support                                      x86_64                                      2.1.12-1.el8                                      @commandline                                       98 k

Transaction Summary
==============================================================================================================================================================================================================
Install  1 Package

Total size: 98 k
Installed size: 349 k
Is this ok [y/N]: y
Downloading Packages:
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
  Preparing        :                                                                                                                                                                                      1/1
  Installing       : oracleasm-support-2.1.12-1.el8.x86_64                                                                                                                                                1/1
  Running scriptlet: oracleasm-support-2.1.12-1.el8.x86_64                                                                                                                                                1/1
Note: Forwarding request to 'systemctl enable oracleasm.service'.
Synchronizing state of oracleasm.service with SysV service script with /usr/lib/systemd/systemd-sysv-install.
Executing: /usr/lib/systemd/systemd-sysv-install enable oracleasm
Created symlink /etc/systemd/system/multi-user.target.wants/oracleasm.service → /usr/lib/systemd/system/oracleasm.service.

  Verifying        : oracleasm-support-2.1.12-1.el8.x86_64                                                                                                                                                1/1

Installed:
  oracleasm-support-2.1.12-1.el8.x86_64

Complete!



[root@oraafd ~]# yum localinstall ./kmod-redhat-oracleasm-2.0.8-12.0.1.el8.x86_64.rpm
Last metadata expiration check: 0:12:17 ago on Fri 22 Nov 2024 12:11:05 GMT.
Dependencies resolved.
==============================================================================================================================================================================================================
 Package                                                 Architecture                             Version                                                Repository                                      Size
==============================================================================================================================================================================================================
Installing:
 kmod-redhat-oracleasm                                   x86_64                                   8:2.0.8-12.0.1.el8                                     @commandline                                    44 k

Transaction Summary
==============================================================================================================================================================================================================
Install  1 Package

Total size: 44 k
Installed size: 138 k
Is this ok [y/N]: y
Downloading Packages:
Running transaction check
Transaction check succeeded.
Running transaction test
Transaction test succeeded.
Running transaction
  Preparing        :                                                                                                                                                                                      1/1
  Installing       : kmod-redhat-oracleasm-8:2.0.8-12.0.1.el8.x86_64                                                                                                                                      1/1
  Running scriptlet: kmod-redhat-oracleasm-8:2.0.8-12.0.1.el8.x86_64                                                                                                                                      1/1



  Verifying        : kmod-redhat-oracleasm-8:2.0.8-12.0.1.el8.x86_64                                                                                                                                      1/1

Installed:
  kmod-redhat-oracleasm-8:2.0.8-12.0.1.el8.x86_64

Complete!


==========



[root@oraafd ~]# rpm -qa | grep oracleasm
kmod-redhat-oracleasm-2.0.8-12.0.1.el8.x86_64
oracleasmlib-2.0.17-1.el8.x86_64
oracleasm-support-2.1.12-1.el8.x86_64


[root@oraafd ~]#