Hi Jorge
Indeed my advice is to configure your high memory mds as a standby mds. Once
you restart the service in the low memory mds, the standby one should take over
without downtime and the first one becomes the standby one.
Cheers
Goncalo
________________________________________
From: ceph-users [[email protected]] on behalf of Alex Evonosky
[[email protected]]
Sent: 25 January 2017 07:00
To: Jorge Garcia
Cc: Users, Ceph
Subject: Re: [ceph-users] Replacing an mds server
just my own experience on this---
I have two MDS servers running (since I run cephFS). I have the config
dictating both MDS servers in the ceph.conf file.
When I issue a "ceph -s" I see the following:
1/1/1 up {0=alpha=up:active}, 1 up:standby
I have shut one MDS server down (current active) and the alternate server
becomes active.
This is just an FYI, but others may have a better answer...
On Tue, Jan 24, 2017 at 2:56 PM, Jorge Garcia
<[email protected]<mailto:[email protected]>> wrote:
I have been using a ceph-mds server that has low memory. I want to replace it
with a new system that has a lot more memory. How does one go about replacing
the ceph-mds server? I looked at the documentation, figuring I could remove the
current metadata server and add the new one, but the remove metadata server
section just says "Coming soon...". The same page also has a warning about
running multiple metadata servers. So am I stuck?
Thanks!
Jorge
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