[ceph-users] Jewel to Luminous RGW upgrade issues

Arvydas Opulskis zebediejus at gmail.com
Thu Oct 11 01:49:27 PDT 2018


Hi, all.


I want to ask did you had similar experience with upgrading Jewel RGW to
Luminous. After upgrading monitors and OSD's, I started two new Luminous
RGWs and put them to LB together with Jewel ones. And than interesting
things started to happen. Some our jobs start to fail with "

fatal error: An error occurred (500) when calling the HeadObject
operation (reached max retries: 4): Internal Server Error" error.

After some testing, I noticed, it happens only if object is uploaded
via Luminous RGW, and downloading via Jewel RGW. Quick googling and
upgrade notes read doesn't explained is it normal behavior or
something is wrong with my RGW configuration. It's quite old cluster
(started as Firefly, I believe) and upgraded several times. My guess
is, Luminous is saving RGW data differently and that's why older RGW's
fail.

I would like to ask, did you had same experience and is it safe to
turn all operations on Luminous RGW only?

Thank you,

Arvydas
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