I've worked with systems much smaller than that where I would have LOVED
to get everything up in only an hour. Kids these days.
1. Have you tried using a spec file? Might help, might not.
2. You could always do the old "&" Unix shell operator for asynchronous
commands. I think you could get Ansible to do that also, although by
default Ansible runs sequentially for a given host and parallel for
multiple hosts.
Note that spawning multiple tasks that fight for the same resource may
offer little to no speed improvement.
Regards,
Tim
On 11/8/24 10:05, YuFan Chen wrote:
Hi,
I’m setting up a 6-node Ceph cluster using Ceph Squid.
Each node is configured with 32 OSDs (32 HDDs and 8 NVMe SSDs for db_devices).
I’ve created an OSD service specification and am using cephadm to
apply the configuration.
The deployment of all 192 OSDs takes about an hour to complete.
However, I’ve noticed that cephadm creates the OSDs sequentially.
Then, on each node, it starts a single OSD and waits for it to become
ready before moving on to the next.
Is there a way to speed up the OSD deployment process?
Thanks in advance for your help!
Best regards,
Yufan Chen
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