TyeolRik

[Ceph]
name=Ceph $basearch
baseurl=https://download.ceph.com/rpm-squid/el9/$basearch
enabled=0
gpgcheck=0
priority=99
gpgkey=https://download.ceph.com/keys/release.gpg

[Ceph-noarch]
name=Ceph noarch

TyeolRik

[centos-9-baseos]
name=CentOS Stream $releasever - BaseOS
#metalink=https://mirrors.centos.org/metalink?repo=centos-baseos-$stream&arch=$basearch&protocol=https,http
baseurl=https://mirror.stream.centos.org/9-stream/BaseOS/x86_64/os
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
gpgcheck=0
repo_gpgcheck=0
metadata_expire=6h
countme=0
priority=10

TyeolRik

#!/bin/bash

FOLDER=/root/benchtest

echo "Sequencial RW 50"
echo "SSD"
fio --name=seq_bw --filename=/root/fio_ssd_30g.raw --rw=readwrite --rwmixread=50 --bs=1M --iodepth=32 --numjobs=4 --ioengine=libaio --direct=1 --time_based=1 --runtime=300 --size=30G --fallocate=none --fsync=1 --fsync_on_close=1 --group_reporting --randrepeat=0 --refill_buffers=1 --thread --stonewall >> $FOLDER/seq_rw_ssd_result.txt
echo "RAMDISK"
fio --name=seq_bw --filename=/dev/ram0 --rw=readwrite --rwmixread=50 --bs=1M --iodepth=32 --numjobs=4 --ioengine=libaio --direct=1 --time_based=1 --runtime=300 --size=30G --fsync=1 --fsync_on_close=1 --group_reporting --randrepeat=0 --refill_buffers=1 --thread --stonewall >> $FOLDER/seq_rw_ramdisk_result.txt
echo "TMPFS"

TyeolRik

#!/bin/bash

umount /home
lvremove -y /dev/mapper/rl-home # Careful mapper name
lvextend -l +100%FREE /dev/mapper/rl-root # Careful mapper name
xfs_growfs /  # If XFS. # If ext4, resize2fs /dev/mapper/rl-root

TyeolRik

#!/bin/bash

HOSTNAME=<SOME_HOSTNAME>
PORT=<SOME_PORT>

CACERT=/etc/cloudia/certs/ca/ca-certificate.crt
CERT=/etc/cloudia/certs/my.crt
KEY=/etc/cloudia/certs/my.id_ecc.pkcs8.pem

echo "===== TLSv1.2 Cipher Test ====="

TyeolRik

---
- name: Time check
  hosts: all
  gather_facts: true
  tasks:
    - name: Set current time
      ansible.builtin.set_fact:
        start_time: "{{ now().timestamp() | float }}"
    - name: Sleep 3 second
      ansible.builtin.wait_for:

TyeolRik

# rik.baek Development Environment
## Commands
# podman volume create devVolume # 만약, volume 있으면 무시
# podman build -t rik.baek.dev.java17:17-jdk-slim -f Dockerfile.rik.baek.java17 .
# podman create -v devVolume:/root/devel/ --pids-limit=-1 --name devJava17 --network host rik.baek.dev.java17:17-jdk-slim
# podman start devJava17 && podman exec -it devJava17 /bin/bash
FROM docker.io/library/openjdk:17-jdk-slim

# Setup git and credential
RUN apt update && apt install -y git

TyeolRik

podman run -it --name dev --network host -v devVolume:/root/ rockylinux/rockylinux:9.5 /bin/bash

TyeolRik

현재: ProLinux 8.6

/dev/sdc 가 공유볼륨이라는 사실은
1. DB1 에서 dd if=/dev/urandom of=/dev/sdc bs=4K count=1 날림.
2. DB1, DB2 에서 hexdump /dev/sdc -C 로 같은 값이 나오는지 확인.
3. 공유볼륨 확인 완료.

모든 노드에 대해
1. dnf install lvm2-lockd gfs2-utils dlm-lib -y
2. /etc/hosts 에 10.0.2.22 GFS-DB1 / 10.0.2.21 GFS-DB2 추가

TyeolRik

#!/bin/bash

# 관련한 모든 rpm 들 설치 (with dependencies)
dnf download --resolve --alldeps <package_name_1> ...