[ceph-users] Jewel to Luminous RGW upgrade issues

Konstantin Shalygin k0ste at k0ste.ru
Thu Oct 18 21:23:58 PDT 2018

> 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?

Of course you should upgrade all your Ceph RGW's to Luminous too.


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