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Cephãéžãã ã®ã§ãç§ã¯çæã§æ©ãéã«ä¹ãåºããŸãããããã«ã¯ååãªãã®ããããŸããããæ¥œèгçã«æž¡ãããŸããã
æåã«è¡ãããã®ã¯ãããŒãžã§ã³ã®éžæã§ã ã ç§ã¯æåŸã®Luminousãã€ã³ã¹ããŒã«ããŸããã§ããããªãªãŒã¹ããã£ãã ãã§ãç§ãã¡ã¯çé¢ç®ãªäŒç€Ÿã§ãã :) Hammerã«ã€ããŠå€ãã®èŠæ ããããŸããã ç§ã¯å®å®çã®Jewelã奜ãã§ããã ãªããžããªãäœæããceph.comã«ãªã³ã¯ããã¿ã¹ã¯ãã¯ã©ãŠã³ã«å ¥ããŠãnginxãéããŠãªãªãŒã¹ããŸããã EPELãå¿ èŠã§ãã
# Ceph-Jewel
/usr/bin/rsync -avz --delete --exclude='repo*' rsync://download.ceph.com/ceph/rpm-jewel/el7/SRPMS/ /var/www/html/repos/ceph/ceph-jewel/el7/SRPMS/
/usr/bin/rsync -avz --delete --exclude='repo*' rsync://download.ceph.com/ceph/rpm-jewel/el7/noarch/ /var/www/html/repos/ceph/ceph-jewel/el7/noarch/
/usr/bin/rsync -avz --delete --exclude='repo*' rsync://download.ceph.com/ceph/rpm-jewel/el7/x86_64/ /var/www/html/repos/ceph/ceph-jewel/el7/x86_64/
# EPEL7
/usr/bin/rsync -avz --delete --exclude='repo*' rsync://mirror.yandex.ru/fedora-epel/7/x86_64/ /var/www/html/repos/epel/7/x86_64/
/usr/bin/rsync -avz --delete --exclude='repo*' rsync://mirror.yandex.ru/fedora-epel/7/SRPMS/ /var/www/html/repos/epel/7/SRPMS/
# Ceph-Jewel
/usr/bin/createrepo --update /var/www/html/repos/ceph/ceph-jewel/el7/x86_64/
/usr/bin/createrepo --update /var/www/html/repos/ceph/ceph-jewel/el7/SRPMS/
/usr/bin/createrepo --update /var/www/html/repos/ceph/ceph-jewel/el7/noarch/
# EPEL7
/usr/bin/createrepo --update /var/www/html/repos/epel/7/x86_64/
/usr/bin/createrepo --update /var/www/html/repos/epel/7/SRPMS/
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-/ etc / hostsã®ãã¹ãŠã®ããŒãã§ãã¯ã©ã¹ã¿ãŒã®ãã¹ãŠã®ããŒãã«é¢ããæ å ±ãå ¥åããŸãã ã€ã³ãã©ã¹ãã©ã¯ãã£ãDHCPã䜿çšããŠããå Žåãã¢ãã¬ã¹ããã€ã³ããããšã«ãã/ etc / hostsã远å ããæ¹ãé©åã§ãã
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sudo useradd -d /home/cephadmin -m cephadmin
sudo passwd cephadmin
echo "cephadmin ALL = (root) NOPASSWD:ALL" | sudo tee /etc/sudoers.d/cephadmin
chmod 0440 /etc/sudoers.d/cephadmin
-å±éããŒãã«sshãµãŒããŒãã€ã³ã¹ããŒã«ããäœæãããŠãŒã¶ãŒã®ããŒãçæããã¯ã©ã¹ã¿ãŒã®ãã¹ãŠã®ããŒãã«ããŒãã³ããŒããNOPASSWDãªãã·ã§ã³ã§sudoã«ç»é²ããŸãã ããŒãã®å±éããã¯ã©ã¹ã¿ãŒã®ãã¹ãŠã®ããŒããžã®ãŠãŒã¶ãŒã®ãã¹ã¯ãŒããªãã®ãã°ã€ã³ãååŸããå¿ èŠããããŸãã
-äœæããããŠãŒã¶ãŒã®æ§æãã¡ã€ã«ã.sshãã£ã¬ã¯ããªã«äœæãããã¹ãŠã®ããŒããèšè¿°ããŠããã®ãã¡ã€ã«ã«600ã®æš©éãèšå®ããŸãã
[cephadmin@ceph-deploy .ssh]$ cat config
Host ceph-cod1-osd-n1
Hostname ceph-cod1-osd-n1
User cephadmin
...................
Host ceph-cod2-osd-n3
Hostname ceph-cod2-osd-n3
User cephadmin
-firewalldã§ããŒã6789 / tcpããã³6800-7100 / tcpãéããŸãïŒãã®ãŸãŸã«ããå ŽåïŒã
-SELinuxãç¡å¹ã«ããŸãã ïŒcefãã-ã€ã³ã¹ããŒã«æžã¿ã®JewelããŒãžã§ã³ã§ãããéåžžã®SEããªã·ãŒã¯ããŒã«ããã¯ãããŸãïŒ
-ã¯ã©ã¹ã¿ãŒç®¡çããŒãã§ã yum install ceph-deployãå®è¡ããŸãã
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ãŠãŒã¶ãŒã®ããŒã ãã£ã¬ã¯ããªã§ãã¯ã©ã¹ã¿ãŒæ§æã眮ããããã£ã¬ã¯ããªãäœæããŸãã ãã®ãã©ã«ãã¯å€±ãããšã®ãªãã»ãããã 埩å ã«ã¯éåžžã«åé¡ããããŸãã ã¯ã©ã¹ã¿ãŒãæ§æããããŸããŸãªåœ¹å²ãšãµãŒãã¹ãå°ç¡ãã«ããããã»ã¹ã§ã¯ããã®ãã£ã¬ã¯ããªã«ãã¡ã€ã«ãšããŒãè£å ãããŸãã
å°æ¥ã®ã¯ã©ã¹ã¿ãŒã§æåã®MONããŒããäœæããŸãïŒ ceph-deploy newïŒour_ MON_ node_name ã ceph.confãã¡ã€ã«ã¯ä»¥åã«äœæããããã£ã¬ã¯ããªã«è¡šç€ºãããããã«ã¯ã©ã¹ã¿ãŒã®èª¬æãå ¥åããããã®å 容ãå¿ èŠãªããŒãã«é©çšãããŸãã
ãã¹ãŠã®ããŒãã«Ceph-Jewelèªäœãã€ã³ã¹ããŒã«ããŸãïŒ ceph-deploy install --release = jewel --no-adjust-reposïŒnode1ïŒnode2 ... #nodeN --no-adjust-reposããŒã¯ãã€ã³ã¹ããŒã«çšã®ãªããžããªãããŒã«ã«ã§ãããã€ã³ã¹ããŒã«ã¹ã¯ãªãããç¬èªã®ãªããžããªãç»é²ããã®ã§ã¯ãªããæ¢åã®/etc/yum.repos.d/*.repoã§ãã¹ãæ¢ãå Žåã«äœ¿çšããå¿ èŠããããŸãã Jewelã§ã¯ãç¹ã«æèšãããŠããªãéããå®å®ããŒãžã§ã³ãããã©ã«ãã§ã€ã³ã¹ããŒã«ãããŸãã
ã€ã³ã¹ããŒã«ãæåããã ã ceph-deploy mon create-initialã¯ã©ã¹ã¿ãŒãåæåããŸã
ã¯ã©ã¹ã¿ãŒã®åæååŸãåæèšå®ã¯fsidãå«ãceph.confãã¡ã€ã«ã«æžã蟌ãŸããŸãã ãã®åŸããã®fsidãã¯ã©ã¹ã¿ãŒã«ãã£ãŠå€æŽãŸãã¯å€±ããããšããã®ã厩å£ãã«ã€ãªããããã®çµæãæ å ±ã倱ãããŸãã ãã®ãããceph.confã§åææ§æãååŸããåŸãïŒããã¯ã¢ãããäœæããŠïŒå€§èã«éããå¿ èŠãªå€ã®ç·šéãšå ¥åãéå§ããŸãã å¿ èŠãªããŒãã«ã¹ãã«ããå Žåã -overwrite-confãªãã·ã§ã³ãæå®ããå¿ èŠããããŸãã ãŸããããããã®æ§æã®å 容ïŒ
[root@ceph-deploy ceph-cluster]# cat /home/cephadmin/ceph-cluster/ceph.conf
[global]
fsid = #-_
mon_initial_members = ceph-cod1-mon-n1, ceph-cod1-mon-n2, ceph-cod2-mon-n1
mon_host = ip-adress1,ip-adress2,ip-adress3
auth_cluster_required = cephx
auth_service_required = cephx
auth_client_required = cephx
#Choose reasonable numbers for number of replicas and placement groups.
osd pool default size = 2 # Write an object 2 times
osd pool default min size = 1 # Allow writing 1 copy in a degraded state
osd pool default pg num = 256
osd pool default pgp num = 256
#Choose a reasonable crush leaf type
#0 for a 1-node cluster.
#1 for a multi node cluster in a single rack
#2 for a multi node, multi chassis cluster with multiple hosts in a chassis
#3 for a multi node cluster with hosts across racks, etc.
osd crush chooseleaf type = 1
[client.rgw.ceph-cod1-rgw-n1]
host = ceph-cod1-rgw-n1
keyring = /var/lib/ceph/radosgw/ceph-rgw.ceph-cod1-rgw-n1/keyring
rgw socket path = /var/run/ceph/ceph.radosgw.ceph-cod1-rgw-n1.fastcgi.sock
log file = /var/log/ceph/client.radosgw.ceph-cod1-rgw-n1.log
rgw dns name = ceph-cod1-rgw-n1.**.*****.ru
rgw print continue = false
rgw frontends = «civetweb port=8888»
[client.rgw.ceph-cod2-rgw-n1]
host = ceph-cod2-rgw-n1
keyring = /var/lib/ceph/radosgw/ceph-rgw.ceph-cod2-rgw-n1/keyring
rgw socket path = /var/run/ceph/ceph.radosgw.ceph-cod2-rgw-n1.fastcgi.sock
log file = /var/log/ceph/client.radosgw.ceph-cod2-rgw-n1.log
rgw dns name = ceph-cod2-rgw-n1.**.*****.ru
rgw print continue = false
rgw frontends = «civetweb port=8888»
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-civetwebãfastcgiãããã³apacheã®éã§ã¯ã©ã¹ã¿ãŒã®APIã®ãããã€ããŒãéžæã§ããŸããããã¯å ¬åŒã®ããã¯ã®èª¬æã§ãã
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èŠããã« ãç§ãã¡ã®ãã¡ã€ã«ã«ã¯ãã°ããŒãã«å€æ°ãã¬ããªã±ãŒã·ã§ã³ã«ãŒã«ãã¯ã©ã¹ã¿ãŒã®ããµãã€ãã«ãã«ãŒã«ãããã³ã¯ã©ã¹ã¿ãŒã«èš±å¯ãããŠããRGWããŒããèšè¿°ããŠããŸãã osdããŒã«ã®ããã©ã«ãã®pg numããã³osdããŒã«ã®ããã©ã«ãã®pgp numãã©ã¡ãŒã¿ãŒã«ã€ããŠã¯ãè峿·±ãã¡ã¢ãèŠã€ãããŸããã
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ãããã£ãŠãç§ã®å Žåã¯9ã€ã®OSDããããããæå°å€ã¯9 * 20 = 180ãæå€§å€ã¯9 * 32 = 288ã«ãªããŸãã 256ãéžæããåçã«æ§æããŸããã
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PGïŒé 眮ã°ã«ãŒãïŒ-OSDã«è€è£œãããCephã®ãªããžã§ã¯ãã®é 眮ã°ã«ãŒããŸãã¯è«çã³ã¬ã¯ã·ã§ã³ã ã·ã¹ãã ã®è€éãã®ã¬ãã«ã«å¿ããŠã1ã€ã®ã°ã«ãŒããè€æ°ã®OSDã«ããŒã¿ãä¿åã§ããŸãã Cephã®é 眮ã°ã«ãŒãã®èšç®åŒã¯æ¬¡ã®ãšããã§ãã
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ãã®å Žåãçµæã¯æãè¿ã2ã®çޝä¹ã«äžžããããŸãïŒããšãã°ãäžžã= 512ã®åŸãåŒ= 700ã«ãã£ãŠïŒã
PGPïŒé 眮ç®çã®é 眮ã°ã«ãŒãïŒ-é 眮ç®çã®é 眮ã°ã«ãŒãã ãã®æ°ã¯ããã¬ãŒã¹ã¡ã³ãã°ã«ãŒãã®ç·æ°ãšçããããå¿ èŠããããŸãã
ããŒããããã¹ãŠã®ããŒãã§ãæš©éã倿ŽããŸãïŒsudo chmod + r /etc/ceph/ceph.client.admin.keyring
OSDããã€ã¹ãã¯ã©ã¹ã¿ãŒã«å°å ¥ããåã«ãOSDããŒãã§æºåäœæ¥ãå®è¡ããå¿ èŠããããŸãã
ãã°ã®äžã§äœ¿çšããããã«ãã£ã¹ã¯ãåå²ããŸãã SSDã§ããå¿ èŠããããŸããïŒå¿ èŠã§ã¯ãªããå°çšãã©ã€ãã®ã¿ïŒã4ã€ä»¥äžã®çããããŒãã£ã·ã§ã³ã«åå²ããå¿ èŠããããŸãã ããŒãã£ã·ã§ã³ã¯ãã©ã€ããªã§ãªããã°ãªããŸããïŒ
parted /dev/SSD
mkpart journal-1 1 15G
mkpart journal-2 15 30G
mkpart journal-3 31G 45G
mkpart journal-4 45G 60G
ãããŠxfsã§ãã©ãŒãããããŸãã ãã¬ãžã³çšã§ãããCephã«ãã£ãŠå¶åŸ¡ãããOSDããŒãäžã®ãã£ã¹ã¯ã®æš©å©ã倿ŽããŸãã
chown ceph:ceph /dev/sdb1
chown ceph:ceph /dev/sdb2
chown ceph:ceph /dev/sdb3
ãã㊠ããããã®ããŒãã£ã·ã§ã³ã®GUIDã倿ŽããŠã udevãæ£åžžã«åäœããåèµ·ååŸã«æ£ããããã€ã¹æš©éãä»äžãããããã«ããŠãã ããã OSDãåèµ·åããåŸãããŒããèµ·åãããããµãŒãã¹ã倱æããç¶æ ã®ãšãã«ããã®ã¬ãŒããèžãã ã ãªããªã é©åã«å®è¡ãããudevã¯ãããã©ã«ãã®ã«ãŒãïŒã«ãŒãææè ãšã°ã«ãŒãïŒãå²ãåœãŠãŸããã 圌ããèšãããã«ãçµæã¯æåŸ ãè¶ ããŠããŸãã...ãããèµ·ãããªãããã«ããããè¡ããŸãïŒ
sgdisk -t 1:45B0969E-9B03-4F30-B4C6-B4B80CEFF106 /dev/sdb
GUID
ãããã€ããŒãã䜿çšããåŸã ceph-deploy disk zapããã³ceph-deploy osd createãå®è¡ããŸã ã ããã«ãããã¯ã©ã¹ã¿ãŒã®åºæ¬ã€ã³ã¹ããŒã«ãå®äºããã³ãã³ãceph -wããã³ceph osd treeã䜿çšããŠããã®ã¹ããŒã¿ã¹ã確èªã§ããŸãã
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倿ããããã«ãCephã«ã¯éåžžã«åŒ·åãªããŒã«ããããŸã-crushmapã§ã®äœæ¥
ãã®ãããã«ã¯ããã€ãã®æœè±¡åã¬ãã«ãå ¥åã§ããŸãããŸããåçŽåããŠããªããã£ãã«ããŸãããã©ãã¯ã®æŠå¿µãå°å ¥ããããŒã¿ã»ã³ã¿ãŒã«åŸã£ãŠåã©ãã¯ã«ããŒããé 眮ããŸããã ãã®ç¬éãããããã©ãã¯ã«èšé²ãããããŒã¿ãå¥ã®ã©ãã¯ã«å¿ é ã®ã¬ããªã«ãæã€ããã«ããŒã¿ãåé åžãããŸããã ãªããªã Cephã¢ã«ãŽãªãºã ã¯ãåãã©ãã¯ã«2ã€ã®ã¬ããªã«ãä¿åããããšã¯ä¿¡é Œã§ããªããšèããŠããŸãã :)ããã§ãã¹ãŠã§ãã1ã€ã®ããŒã¿ã»ã³ã¿ãŒã®ãã¹ãŠã®ããŒãããªãã«ãããšãããŒã¿ã¯å®éã«äœ¿çšå¯èœã«ãªããŸããã
[cephadmin@ceph-deploy ceph-cluster]$ ceph osd tree
ID WEIGHT TYPE NAME UP/DOWN REWEIGHT PRIMARY-AFFINITY
-1 1.17200 root default
-8 0.58600 rack ceph-cod1
-2 0.19499 host ceph-cod1-osd-n1
0 0.04900 osd.0 up 1.00000 1.00000
1 0.04900 osd.1 up 1.00000 1.00000
2 0.04900 osd.2 up 1.00000 1.00000
3 0.04900 osd.3 up 1.00000 1.00000
-3 0.19499 host ceph-cod1-osd-n2
4 0.04900 osd.4 up 1.00000 1.00000
5 0.04900 osd.5 up 1.00000 1.00000
6 0.04900 osd.6 up 1.00000 1.00000
7 0.04900 osd.7 up 1.00000 1.00000
-4 0.19499 host ceph-cod1-osd-n3
8 0.04900 osd.8 up 1.00000 1.00000
9 0.04900 osd.9 up 1.00000 1.00000
10 0.04900 osd.10 up 1.00000 1.00000
11 0.04900 osd.11 up 1.00000 1.00000
-9 0.58600 rack ceph-cod2
-5 0.19499 host ceph-cod2-osd-n1
12 0.04900 osd.12 up 1.00000 1.00000
13 0.04900 osd.13 up 1.00000 1.00000
14 0.04900 osd.14 up 1.00000 1.00000
15 0.04900 osd.15 up 1.00000 1.00000
-6 0.19499 host ceph-cod2-osd-n2
16 0.04900 osd.16 up 1.00000 1.00000
17 0.04900 osd.17 up 1.00000 1.00000
18 0.04900 osd.18 up 1.00000 1.00000
19 0.04900 osd.19 up 1.00000 1.00000
-7 0.19499 host ceph-cod2-osd-n3
20 0.04900 osd.20 up 1.00000 1.00000
21 0.04900 osd.21 up 1.00000 1.00000
22 0.04900 osd.22 up 1.00000 1.00000
23 0.04900 osd.23 up 1.00000 1.00000
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