Hi,
We are running a Nautilus cluster and have some old and new erasure
code profiles. For example:
# ceph osd erasure-code-profile get m_erasure
crush-device-class=hdd
crush-failure-domain=host
crush-root=default
jerasure-per-chunk-alignment=false
k=6
m=2
plugin=jerasure
technique=reed_sol_van
w=8
# ceph osd erasure-code-profile get c_erasure
crush-device-class=
crush-failure-domain=host
crush-root=default
jerasure-per-chunk-alignment=false
k=4
m=2
plugin=jerasure
technique=reed_sol_van
w=8
Here we want to add crush-device-class information to the second profile.
Is the following correct? Safe? What will actually happen if we run this
command?
# ceph osd erasure-code-profile set c_erasure crush-device-class=hdd k=4
m=2 --force
Thanks for any input!
Regards,
Thomas Svedberg
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