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решение_ceph [2026/10/19 19:04] val [OSD] |
решение_ceph [2026/10/19 19:27] (current) val [MON] |
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| Line 97: | Line 97: | ||
| MON_DOWN 1/3 mons down, quorum node4,node5 | MON_DOWN 1/3 mons down, quorum node4,node5 | ||
| mon.node3 (rank 0) addr 192.168.X.3:6789/0 is down (out of quorum) | mon.node3 (rank 0) addr 192.168.X.3:6789/0 is down (out of quorum) | ||
| + | </code> | ||
| + | === Замена MON === | ||
| + | <code> | ||
| + | node3# ceph mon remove node4 | ||
| + | |||
| + | node3# ceph mon getmap -o /tmp/monmap | ||
| + | node3# monmaptool --print /tmp/monmap | ||
| + | node3# monmaptool --add node7 192.168.13.7 --fsid a7f64266-0894-4f1e-a635-d0aeaca0e993 /tmp/monmap | ||
| + | node3# scp /tmp/monmap node7:/tmp/monmap | ||
| + | |||
| + | node3# cat /etc/ceph/ceph.conf | ||
| + | ... | ||
| + | mon initial members = node3,node7,node5 | ||
| + | mon host = 192.168.13.3,192.168.13.7,192.168.13.5 | ||
| + | ... | ||
| + | |||
| + | node3# | ||
| + | scp /etc/ceph/ceph.conf node5:/etc/ceph/ | ||
| + | scp /etc/ceph/ceph.conf node6:/etc/ceph/ | ||
| + | scp /etc/ceph/ceph.conf node7:/etc/ceph/ | ||
| + | |||
| + | node7# | ||
| + | sudo -u ceph mkdir /var/lib/ceph/mon/ceph-node7 | ||
| + | sudo -u ceph ceph-mon --mkfs -i node7 --monmap /tmp/monmap | ||
| + | systemctl enable ceph-mon@node7 --now | ||
| + | |||
| + | sudo -u ceph mkdir /var/lib/ceph/mgr/ceph-node7 | ||
| + | systemctl enable ceph-mgr@node7 --now | ||
| </code> | </code> | ||
| + | * [[Технология KVM#Использование Ceph RBD в качестве диска]] | ||
| + | * [[Сервис iSCSI]] | ||
| ==== MGR ==== | ==== MGR ==== | ||
| Line 124: | Line 154: | ||
| </code> | </code> | ||
| - | === Замена MON === | ||
| - | <code> | ||
| - | node3# ceph mon remove node4 | ||
| - | node3# cat /etc/ceph/ceph.conf | ||
| - | ... | ||
| - | mon initial members = node3,node7,node5 | ||
| - | mon host = 192.168.13.3,192.168.13.7,192.168.13.5 | ||
| - | ... | ||
| - | |||
| - | node3# | ||
| - | scp /etc/ceph/ceph.conf node5:/etc/ceph/ | ||
| - | scp /etc/ceph/ceph.conf node6:/etc/ceph/ | ||
| - | scp /etc/ceph/ceph.conf node7:/etc/ceph/ | ||
| - | |||
| - | ceph mon getmap -o /tmp/monmap | ||
| - | monmaptool --print /tmp/monmap | ||
| - | monmaptool --add node7 192.168.13.7 --fsid a7f64266-0894-4f1e-a635-d0aeaca0e993 /tmp/monmap | ||
| - | scp /tmp/monmap node7:/tmp/monmap | ||
| - | |||
| - | node7# | ||
| - | sudo -u ceph mkdir /var/lib/ceph/mon/ceph-node7 | ||
| - | sudo -u ceph ceph-mon --mkfs -i node7 --monmap /tmp/monmap | ||
| - | systemctl enable ceph-mon@node7 --now | ||
| - | |||
| - | sudo -u ceph mkdir /var/lib/ceph/mgr/ceph-node7 | ||
| - | systemctl enable ceph-mgr@node7 --now | ||
| - | </code> | ||
| ==== OSD ==== | ==== OSD ==== | ||
| Line 192: | Line 195: | ||
| <code> | <code> | ||
| + | ceph osd tree | grep down | ||
| + | |||
| ceph osd safe-to-destroy osd.0 | ceph osd safe-to-destroy osd.0 | ||
| OSD(s) 0 are safe to destroy without reducing data durability. | OSD(s) 0 are safe to destroy without reducing data durability. | ||
решение_ceph.1792425895.txt.gz · Last modified: 2026/10/19 19:04 by val
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