On 06/24/2013 07:50 PM, Gregory Farnum wrote:
> On Mon, Jun 24, 2013 at 10:36 AM, Jeppesen, Nelson
> <Nelson.Jeppesen@xxxxxxxxxx> wrote:
>> What do you mean ‘bring up the second monitor with enough information’?
>>
>>
>>
>> Here are the basic steps I took. It fails on step 4. If I skip step 4, I get
>> a number out of range error.
>>
>>
>>
>> 1. ceph auth get mon. -o /tmp/auth
>>
>> 2. ceph mon getmap -o /tmp/map
>>
>> 3. sudo ceph-mon -i 1 --mkfs --monmap /tmp/map --keyring /tmp/auth
>>
>> 4. ceph mon add 1 <ip>[:<port>]
>
> What's the failure here? Does it not return, or does it stop working
> after that? I'd expect that following it with
it does not return. I just ran into the same issue:
# ceph-mon -i b --mkfs --monmap /tmp/monmap --keyring /tmp/keyring
--public-addr x.y.z.b:6789
ceph-mon: created monfs at /var/lib/ceph/mon/ceph-b for mon.b
# ceph mon add b 46.20.16.22:6789
2013-06-25 10:00:25.659006 7f28ec5fa700 0 monclient: hunting for new mon
just sits there forever.
On mon a I see:
# ceph --admin-daemon /run/ceph/ceph-mon.a.asok mon_status
{ "name": "a",
"rank": 0,
"state": "probing",
"election_epoch": 1,
"quorum": [],
"outside_quorum": [
"a"],
"extra_probe_peers": [],
"monmap": { "epoch": 14,
"fsid": "61ebf2c4-5290-4fbb-8a84-bc8797351bf8",
"modified": "2013-06-25 10:00:14.004097",
"created": "2013-06-24 15:06:08.472355",
"mons": [
{ "rank": 0,
"name": "a",
"addr": "46.20.16.21:6789\/0"},
{ "rank": 1,
"name": "b",
"addr": "46.20.16.22:6789\/0"}]}}
it seems the docs here:
http://ceph.com/docs/master/rados/operations/add-or-rm-mons/
are misleading. I also just can't extend my mon's (cuttlefish 0.61.4)
currently, which is bad. ceph-deploy complains about missing a fsid...
>> 5. ceph-mon -i 1 --public-addr {ip:port}
>
> should work...
>
> Oh, I think I see — mon 1 is starting up and not seeing itself in the
> monmap so it then shuts down. You'll need to convince it to turn on
> and contact mon.0; I don't remember exactly how to do that (Joao?) but
> I think you should be able to find what you need at
> http://ceph.com/docs/master/dev/mon-bootstrap
> -Greg
> Software Engineer #42 @ http://inktank.com | http://ceph.com
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--
DI (FH) Wolfgang Hennerbichler
Software Development
Unit Advanced Computing Technologies
RISC Software GmbH
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