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vm:proxmox:ceph:move_disks [2021/01/11 20:40] niziak created |
vm:proxmox:ceph:move_disks [2022/07/25 09:41] (current) niziak |
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- | ====== move OSDs disks between hosts ====== | + | ====== Move OSDs disks between hosts ====== |
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+ | ===== reinstall PVE ===== | ||
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+ | After reinstallation of PVE, CEPH automatically detects OSD but keeps it as ''down''. To run OSD it is need to: | ||
+ | ''ceph-volume lvm activate --all'' | ||
+ | |||
+ | ===== 1st info ===== | ||
<code> | <code> | ||
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needs to start up. | needs to start up. | ||
</code> | </code> | ||
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+ | ===== 2nd info ===== | ||
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+ | [[https://forum.proxmox.com/threads/move-osd-to-another-node.33965/|move osd to another node]] | ||
+ | <code> | ||
+ | if you don't have a separate (shared) journal device, you can just down and out the OSD and physically move it from one host to another. (hot-)plugging it in should automatically start the OSD service on the new host, and you can mark the osd as "in" on the GUI. | ||
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+ | if you have a separate journal device only used for the particular osd, you can move it together with the OSD and it should work as well. | ||
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+ | if you have a shared journal device, you might be able to move all the OSDs using it and the journal, all at the same time - I have never tried this though. | ||
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+ | if you only want to move one of several OSDs sharing a journal, this is AFAIK not possible, and you need to actually remove it and create a new OSD from scratch on the new host, using the moved disk. | ||
+ | </code> | ||
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