Installing DM8 on CentOS 7.9

CentOS Linux release 7.9.2009 (Core)
dm8_20251208_x86_CentOS7_64.zip

  1. Create a YUM repository.
mkdir /etc/yum.repos.d/bak
mv /etc/yum.repos.d/*.repo /etc/yum.repos.d/bak

cat >/etc/yum.repos.d/media.repo <<EOF
[InstallMedia]
name=CentOS 7
baseurl=http://192.168.3.112/assets/tmp/mnt
gpgcheck=0
enabled=1
EOF

yum clean all && yum makecache
  1. Install packages.
yum install wget unzip
  1. Adjust the system settings
cat >>/etc/security/limits.d/99-dm8-limits.conf <<EOF
dmdba   soft   nofile    65536
dmdba   hard   nofile    65536
EOF
  1. Downlaod and unpack DM8 software.
mkdir /soft
wget https://meno.lostyu.qzz.io/tmp/dm8_20251208_x86_CentOS7_64.zip -P /soft
unzip /soft/dm8_20251208_x86_CentOS7_64.zip -d /soft
mount -t iso9660 -o loop /soft/dm8_20251208_x86_CentOS7_64.iso /mnt
  1. Create DM8 user and directory.
groupadd -g 1000 dinstall
useradd -u 1000 -g dinstall -m -d /home/dmdba -s /bin/bash dmdba
echo 'password' | passwd --stdin dmdba
mkdir /dm8
chown -R dmdba:dinstall /dm8
  1. Install DM8 software.
# Login as dmdba
~]$ /mnt/DMInstall.bin -i
...
Pre-Installation Summary
Installation Location: /dm8
Require Space: 1809M
Available Space: 39G
Version Information:
Expire Date:
Installation Type: Typical
Confirm to Install? (Y/y:Yes N/n:No):y
...

# Login as root
~]# /dm8/script/root/root_installer.sh
Move /dm8/bin/dm_svc.conf to /etc
Create the DmAPService service
Created symlink from /etc/systemd/system/multi-user.target.wants/DmAPService.service to /usr/lib/systemd/system/DmAPService.service.
Finished to create the service (DmAPService)
Start the DmAPService service
  1. Set DM8 environment variables.
~]$ cat >>/home/dmdba/.bash_profile <<"EOF"
export PATH=$PATH:$DM_HOME/bin:$DM_HOME/tool
EOF

~]$ source /home/dmdba/.bash_profile
  1. Create DM8 instance.
# Login as dmdba
~]$ dminit help
~]$ dminit path=/dm8/data db_name=DMDB instance_name=PROD port_num=5237 sysdba_pwd=P@ssword123 sysauditor_pwd=P@ssword123 log_size=256
initdb V8
db version: 0x7000d
file dm.key not found, use default license!
License will expire on 2026-11-13
Normal of FAST
Normal of DEFAULT
Normal of RECYCLE
Normal of KEEP
Normal of ROLL

 log file path: /dm8/data/DMDB/DMDB01.log


 log file path: /dm8/data/DMDB/DMDB02.log

write to dir [/dm8/data/DMDB].
create dm database success. 2026-01-13 13:07:52

# Login as root
~]# /dm8/script/root/dm_service_installer.sh -h
~]# /dm8/script/root/dm_service_installer.sh -t dmserver -p PROD -dm_ini /dm8/data/DMDB/dm.ini
Created symlink from /etc/systemd/system/multi-user.target.wants/DmServicePROD.service to /usr/lib/systemd/system/DmServicePROD.service.
Finished to create the service (DmServicePROD)
  1. Start DM8 instance.
~]$ DmServicePROD start
Starting DmServicePROD:                                    [ OK ]

~]$ disql sysdba/'"P@ssword123"':5237

Server[LOCALHOST:5237]:mode is normal, state is open
login used time : 3.106(ms)
disql V8

SQL> select name,status$ from v$instance;

LINEID     NAME STATUS$
---------- ---- -------
1          PROD OPEN

used time: 2.008(ms). Execute id is 65201.