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Hi,</div>
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<div style="margin-top: 0px; margin-bottom: 0px;"><font size="3"><span style="font-size: 12pt;">I've wanted to use ceph storage as a backend for nova, glance and cinder. I've succeded to use ceph for cinder and glance but I couldn't at nova.</span></font><br>
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<div>I have seen this bug for "Stein" version ---> <a href="https://bugs.launchpad.net/nova/stein/+bug/1860990" class="OWAAutoLink" id="LPlnk695124" previewremoved="true">
https://bugs.launchpad.net/nova/stein/+bug/1860990</a></div>
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<a id="LPUrlAnchor_15922881412780.6134672012865139" href="https://bugs.launchpad.net/nova/stein/+bug/1860990" target="_blank" style="text-decoration: none;">Bug #1860990 “RBD image backend tries to flatten images even if ...” : Series stein : Bugs : OpenStack
Compute (nova)</a></div>
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bugs.launchpad.net</div>
<div id="LPDescription_15922881412780.4454765100300928" style="display: block; color: rgb(102, 102, 102); font-weight: 400; font-family: wf_segoe-ui_normal, "Segoe UI", "Segoe WP", Tahoma, Arial, sans-serif; font-size: 14px; line-height: 20px; max-height: 100px; overflow: hidden;">
When [DEFAULT]show_multiple_locations option is not set in glance, and both glance and nova use ceph as their backend, with properly configured accesses, nova will fail with the following exception: 2020-01-23 14:36:43.617 8647 ERROR nova.compute.manager [req-8021fd76-d5ab-4a9b-bd17-f5eb4d4faf62
0e96a04f360644818632b7e46fe8d3e7 ac01daacc7424a40b8b464a163902dcb - default default] [instance: fa9e4118-1bb1-4d52-a2e1-9f61b0e20dc6] Instance failed to spawn: rbd.InvalidArgument: [errno 22] error f...</div>
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<div>After that, I've entered the nova-compute pod and I've run below commands;</div>
<div>apt install python-rbd</div>
<div>apt install python3-rbd</div>
<div>But it didn't work. I've gotten same error.</div>
<div>A solution must be on the K8s side. </div>
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<div> </div>
error;</div>
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<div><font face="Calibri,Helvetica,sans-serif,EmojiFont,Apple Color Emoji,Segoe UI Emoji,NotoColorEmoji,Segoe UI Symbol,Android Emoji,EmojiSymbols" size="2"><span style="font-size: 16px;">2020-06-15 12:34:23.617 21543 ERROR nova.compute.manager File "/var/lib/openstack/lib/python3.6/site-packages/nova/virt/libvirt/driver.py",
line 1216, in _get_rbd_driver</span></font></div>
<div><font face="Calibri,Helvetica,sans-serif,EmojiFont,Apple Color Emoji,Segoe UI Emoji,NotoColorEmoji,Segoe UI Symbol,Android Emoji,EmojiSymbols" size="2"><span style="font-size: 16px;">2020-06-15 12:34:23.617 21543 ERROR nova.compute.manager rbd_user=CONF.libvirt.rbd_user)</span></font></div>
<div><font face="Calibri,Helvetica,sans-serif,EmojiFont,Apple Color Emoji,Segoe UI Emoji,NotoColorEmoji,Segoe UI Symbol,Android Emoji,EmojiSymbols" size="2"><span style="font-size: 16px;">2020-06-15 12:34:23.617 21543 ERROR nova.compute.manager File "/var/lib/openstack/lib/python3.6/site-packages/nova/virt/libvirt/storage/rbd_utils.py",
line 128, in __init__</span></font></div>
<div><font face="Calibri,Helvetica,sans-serif,EmojiFont,Apple Color Emoji,Segoe UI Emoji,NotoColorEmoji,Segoe UI Symbol,Android Emoji,EmojiSymbols" size="2"><span style="font-size: 16px;">2020-06-15 12:34:23.617 21543 ERROR nova.compute.manager raise RuntimeError(_('rbd
python libraries not found'))</span></font></div>
<div><font face="Calibri,Helvetica,sans-serif,EmojiFont,Apple Color Emoji,Segoe UI Emoji,NotoColorEmoji,Segoe UI Symbol,Android Emoji,EmojiSymbols" size="2"><span style="font-size: 16px;">2020-06-15 12:34:23.617 21543 ERROR nova.compute.manager RuntimeError:
rbd python libraries not found</span></font></div>
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<div style="margin-top: 0px; margin-bottom: 0px;"> </div>
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<div style="margin-top: 0px; margin-bottom: 0px;">Nova compute image;</div>
<div style="margin-top: 0px; margin-bottom: 0px;"><img data-custom="AAMkADY1OTg0YmI1LTQ1MGYtNGQxZC04OWYzLWVhOWZhODM4ODNlYgBGAAAAAACyOjZETOT%2BSLBOdR8HNL4%2FBwAW9YEQ1XBlSa4MulcnIoanAAAAAAEMAABXseUD7%2FBSQ4v5zJGK3j01AACSj8NyAAABEgAQAJcFzR2LkstBsdmT8JuVsTU%3D" naturalheight="179" naturalwidth="1528" id="img677456" style="max-width: 1528px; max-height: 179px; width: 1083.24px; user-select: none;" src="cid:e78156d8-4edf-4abd-8585-7e346fb1f879"><br>
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<div style="margin-top: 0px; margin-bottom: 0px;"> </div>
</span></font></div>
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you have any of ideas about that?</span><br>
</span></font></div>
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<div style="margin-top: 0px; margin-bottom: 0px;">Best Regards,</div>
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