Re: clearing unfound objects

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On Tue, 12 Sep 2017, Two Spirit wrote:
> >On Tue, 12 Sep 2017, Two Spirit wrote:
> >> I don't have any OSDs that are down, so the 1 unfound object I think
> >> needs to be manually cleared. I ran across a webpage a while ago that
> >> talked about how to clear it, but if you have a reference, would save
> >> me a little time.
> >
> >http://docs.ceph.com/docs/master/rados/troubleshooting/troubleshooting-pg/#failures-osd-unfound
> 
> Thanks. That was the page I had read earlier.
> 
> I've attached the full outputs to this mail and show just clips below.
> 
> # ceph health detail
> OBJECT_UNFOUND 1/731529 unfound (0.000%)
>     pg 6.2 has 1 unfound objects
> 
> There looks like one number that shouldn't be there...
> # ceph pg 6.2 list_missing
> {
>     "offset": {
> ...
>         "pool": -9223372036854775808,
>         "namespace": ""
>     },
> ...

I think you've snipped out the bit that has the name of the unfound 
object?

sage

> 
> # ceph -s
>     osd: 6 osds: 6 up, 6 in; 10 remapped pgs
> 
> This shows under the pg query that something believes that osd "2" is
> down, but all OSDs are up, as seen in the previous ceph -s command.
> # ceph pg 6.2 query
>     "recovery_state": [
>         {
>             "name": "Started/Primary/Active",
>             "enter_time": "2017-09-12 10:33:11.193486",
>             "might_have_unfound": [
>                 {
>                     "osd": "0",
>                     "status": "already probed"
>                 },
>                 {
>                     "osd": "1",
>                     "status": "already probed"
>                 },
>                 {
>                     "osd": "2",
>                     "status": "osd is down"
>                 },
>                 {
>                     "osd": "4",
>                     "status": "already probed"
>                 },
>                 {
>                     "osd": "5",
>                     "status": "already probed"
>                 }
> 
> 
> If i go to a couple other OSDs, and run the same command,
> the osd "2" is listed as "already probed". They are not in sync. I
> double checked that all the OSDs were up on all 3 times I ran the
> command.
> 
> Now. my question to debug this to figure out if I want to
> "revert|delete", is what in the heck are these file(s)/object(s)
> associated with the pg? I assume this might be in the MDS, but I'd
> like to see a file name associated with this to make a further
> determination of what I should do.  I don't have enough information at
> this point to figure out how I should recover.
> 
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