CEPH: Unterschied zwischen den Versionen

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+*[[CEPH Einführung]]
 *[[CEPH Grundlagen]]
 *[[CEPH Manuell]]
+*[[CEPH Promox Schaubild]]
-=Aufbau=
+*[[CEPH Promox]]
-==Storage-Node und Monitor Nodes==
-*omar
-*nelson
-*bay
-==Admin-Node==
-*kekistan
-=Vorbreitung=
-==Installation von ssh und ntp==
-Auf allen Nodes
-*sudo apt -y install ntp ssh
-*wget -q -O- 'https://download.ceph.com/keys/release.asc' | apt-key add -
-*echo deb http://download.ceph.com/debian-luminous/ $(lsb_release -sc) main | tee /etc/apt/sources.list.d/ceph.list
-*apt-get update
-==ssh-key auf allen nodes==
-===ssh-keygen===
-*root@kekistand:~# ssh-keygen
-===ssh-copy-id===
-*root@kekistand:~# ssh-copy-id nelson
-*root@kekistand:~# ssh-copy-id bay
-*root@kekistand:~# ssh-copy-id omar
-===Hilfskript===
-*cat  /usr/local/sbin/root-all-nodes
-<pre>
-#!/bin/bash
-echo localhost
-$*
-LIST="bay omar nelson"
-for k in $LIST
-do
-echo $k
-ssh $k $*
-done
-</pre>
-===Anlegen des Users cephadmin und keyhandling===
-*root-all-nodes useradd -s /bin/bash -m cephadmin
-*sudo -u cephadmin ssh-keygen -q
-*root-all-nodes mkdir /home/cephadmin/.ssh
-*root-all-nodes chown cephadmin.cephadmin  /home/cephadmin/.ssh
-*root-all-nodes chmod 700  /home/cephadmin/.ssh
-*root-all-nodes 'echo "cephadmin ALL=(ALL) NOPASSWD: ALL" >  /etc/sudoers.d/ceph'
-*scp /home/cephadmin/.ssh/id_rsa.pub /tmp
-*scp /home/cephadmin/.ssh/id_rsa.pub bay:/tmp
-*scp /home/cephadmin/.ssh/id_rsa.pub nelson:/tmp
-*scp /home/cephadmin/.ssh/id_rsa.pub omar:/tmp
-*root-all-nodes cat /tmp/id_rsa.pub > /home/cephadmin/.ssh/authorized_keys
-==Purge==
-==Install==
-*apt install ceph-deploy
-*su - cephadmin
-*mkdir my-first-ceph-cluster
-*cd my-first-ceph-cluster
-==Purge==
-*ceph-deploy purge  kekistan bay nelson omar
-*ceph-deploy purgedata  kekistan bay nelson omar
-*ceph-deploy forgetkeys
-==Monitor Nodes==
-*ceph-deploy new bay nelson omar
-*echo "public network = 10.0.0.0/8" >>  ceph.conf
-*echo "osd pool default size = 2" >>  ceph.conf
-==Install Ceph==
-*ceph-deploy install kekistan bay nelson omar
-==Initialisierung der Monitore und sammeln der der Keys==
-*ceph-deploy mon create-initial
-==Vorbereiten der Storages==
-*ceph-deploy osd prepare bay:/dev/sdb nelson:/dev/sdb omar:/dev/sdb
-==Aktivieren der Storages==
-*ceph-deploy osd activate bay:/dev/sdb1 nelson:/dev/sdb1 omar:/dev/sdb1
-==Löschen eines Storages==
-Auf dem OSD
-*NR=1
-*ceph osd out $NR
-*sudo systemctl stop ceph-osd@$NR.service
-*ceph osd crush remove osd.$NR
-*ceph auth del osd.$NR
-*ceph osd rm $NR
-*umount /dev/sda1
-*parted -s /dev/sda rm 2
-*parted -s /dev/sda rm 1
-*partprobe
-==Kopieren der Admin-keyrings==
-*ceph-deploy admin kekistan bay nelson omar
-*sudo chmod 644 /etc/ceph/ceph.client.admin.keyring
-==Status check==
-*ceph osd tree
- ID WEIGHT  TYPE NAME       UP/DOWN REWEIGHT PRIMARY-AFFINITY
- -1 1.44955 root default
- -2 0.48318     host bay
-0.48318         osd.0        up  1.00000          1.00000
- -3 0.48318     host nelson
-0.48318         osd.1        up  1.00000          1.00000
- -4 0.48318     host omar
-0.48318         osd.2        up  1.00000          1.00000
-*ceph  health
- HEALTH_OK
-=Block Device Client=
-auf dem Client cephadmin einrichten und keys von admin node kopieren ...
-*ceph-deploy install bajor
-*ceph-deploy admin bajor
-*rbd create bar --size 4096  --image-feature layering
-*sudo rbd map bar --name client.admin
-*sudo mkfs.ext4 /dev/rbd0
-*sudo mkdir /mnt/ceph-block-device
-*sudo mount /dev/rbd0  /mnt/ceph-block-device
-=Anlegen eines Metadata Server(Voraussetzung für das CephFS)=
-*ceph-deploy mds create bay nelson omar
-*ceph osd pool create cephfs_data 1
-*ceph osd pool create cephfs_metadata 1
-*ceph fs new cephfs cephfs_metadata cephfs_data
-*ceph mds stat
-=Client File System=
-*installieren von seph-fs-common
- apt install ceph-fs-common
-*auf dem Client das secret speichern
- mkdir  /etc/ceph/
- vi /etc/ceph/admin.secret
-*TIPP: secret auf dem client soll in der form sein
-*grep key  ceph.client.admin.keyring | cut -f 2 -d =
- ÖLUJmb5rfHOH8GigijgGTfu==
-*eintrag in der fstab anlegen
- vi /etc/fstab
-.1.1.1,10.1.1.2,10.1.1.3:/ /mnt/cephfs ceph name=admin,secretfile=/etc/ceph/admin.secret 0 0
-*mountpunkt erstellen & Files System mounten
- mkdir /mnt/cephfs
- mount /mnt/cephfs
-=Links=
-*http://docs.ceph.com/docs/master/start/
-*https://linoxide.com/ubuntu-how-to/create-ceph-cluster-ubuntu-16-04/
-*https://www.howtoforge.com/tutorial/how-to-install-a-ceph-cluster-on-ubuntu-16-04/
-*https://www.howtoforge.com/tutorial/how-to-mount-cephfs-on-centos-7/
-*http://www.admin-magazin.de/Das-Heft/2014/04/Die-verteilten-Speichersysteme-GlusterFS-und-Ceph-im-Vergleich/(offset)/12
-*https://www.sebastien-han.fr/blog/2012/07/06/nfs-over-rbd/

CEPH: Unterschied zwischen den Versionen

Aktuelle Version vom 30. Mai 2024, 15:03 Uhr

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