## boot order setup
\n# echo “HOSTNAME” > \/etc\/hostname
\n# grub2-mkconfig -o \/boot\/grub2\/grub.cfg; yum install yum-utils -y; package-cleanup –oldkernels –count=2; reboot;
\n#
\n## pre-config for ntp`
\nyum install ntp ntpdate -y;
\nsystemctl start ntpd
\nsystemctl enable ntpd
\nntpdate -u -s 0.centos.pool.ntp.org 1.centos.pool.ntp.org 2.centos.pool.ntp.org
\nsystemctl restart ntpd
\n#systemctl status ntpd
\ntimedatectl
\nhwclock -w<\/p>\n
#######################################################################################
\n## software install
\nyum update
\nyum install podman -y;
\npodman info
\nyum install -y python3
\ncurl –silent –remote-name –location https:\/\/github.com\/ceph\/ceph\/raw\/octopus\/src\/cephadm\/cephadm
\nchmod +x cephadm
\nmkdir -p \/etc\/ceph
\n.\/cephadm add-repo –release octopus;
\n.\/cephadm install cephadm ceph-common;
\nblu@test1:~$ vi centos7_podman_ceph_cluster_init_setup.sh
\nblu@test1:~$ cat centos7_podman_ceph_cluster_init_setup.sh
\n## boot order setup
\n# echo “HOSTNAME” > \/etc\/hostname
\n# grub2-mkconfig -o \/boot\/grub2\/grub.cfg; yum install yum-utils -y; package-cleanup –oldkernels –count=2; reboot;
\n#
\n## pre-config for ntp`
\nyum install ntp ntpdate -y;
\nsystemctl start ntpd
\nsystemctl enable ntpd
\nntpdate -u -s 0.centos.pool.ntp.org 1.centos.pool.ntp.org 2.centos.pool.ntp.org
\nsystemctl restart ntpd
\n#systemctl status ntpd
\ntimedatectl
\nhwclock -w<\/p>\n
#######################################################################################
\n## software install
\nyum update
\nyum install podman -y;
\npodman info
\nyum install -y python3
\ncurl –silent –remote-name –location https:\/\/github.com\/ceph\/ceph\/raw\/octopus\/src\/cephadm\/cephadm
\nchmod +x cephadm
\nmkdir -p \/etc\/ceph
\n.\/cephadm add-repo –release octopus;
\n.\/cephadm install cephadm ceph-common;
\n########################################################################################
\n## cluster setup
\n.\/cephadm bootstrap –mon-ip <1st_mon_node_ip>
\nssh-copy-id -f -i \/etc\/ceph\/ceph.pub root@<2nd_hostname>
\nssh-copy-id -f -i \/etc\/ceph\/ceph.pub root@<3rd_hostname>
\nssh-copy-id -f -i \/etc\/ceph\/ceph.pub root@<..n_hostname><\/p>\n
ceph orch host ls
\nceph orch host add <2nd_hostname>
\nceph orch host add <3rd_hostname>
\nceph orch host add <..n_hostname><\/p>\n
ceph orch host ls<\/p>\n
ceph orch ls<\/p>\n
ceph orch host add <2nd_hostname> <ip of 2nd_node> mon
\nceph orch host add <3rd_hostname> <ip of 3rd_node> mon
\nceph orch host add <1st_hostname> <ip of 1st_node> mon<\/p>\n
ceph orch host ls<\/p>\n
ceph orch ls<\/p>\n
ceph orch device ls<\/p>\n
ceph orch apply osd –all-available-devices<\/p>\n
ceph orch device ls<\/p>\n
ceph -s<\/p>\n
scp \/etc\/ceph\/ceph* root@<2nd_hostname>:\/etc\/ceph\/
\nscp \/etc\/ceph\/ceph* root@<3rd_hostname>:\/etc\/ceph\/
\nscp \/etc\/ceph\/ceph* root@<..n_hostname>:\/etc\/ceph\/<\/p>\n","protected":false},"excerpt":{"rendered":"
## boot order setup # echo “HOSTNAME” > \/etc\/hostname # grub2-mkconfig -o \/boot\/grub2\/grub.cfg; yum install yum-utils -y; package-cleanup –oldkernels –count=2; reboot; # ## pre-config for ntp` yum install ntp ntpdate -y; systemctl start ntpd systemctl enable ntpd ntpdate -u -s 0.centos.pool.ntp.org 1.centos.pool.ntp.org 2.centos.pool.ntp.org systemctl restart ntpd #systemctl status ntpd timedatectl hwclock -w ####################################################################################### ## software […]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/cephswift.com\/index.php\/wp-json\/wp\/v2\/pages\/285"}],"collection":[{"href":"https:\/\/cephswift.com\/index.php\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cephswift.com\/index.php\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cephswift.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/cephswift.com\/index.php\/wp-json\/wp\/v2\/comments?post=285"}],"version-history":[{"count":1,"href":"https:\/\/cephswift.com\/index.php\/wp-json\/wp\/v2\/pages\/285\/revisions"}],"predecessor-version":[{"id":287,"href":"https:\/\/cephswift.com\/index.php\/wp-json\/wp\/v2\/pages\/285\/revisions\/287"}],"wp:attachment":[{"href":"https:\/\/cephswift.com\/index.php\/wp-json\/wp\/v2\/media?parent=285"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}