Re: Blocked ops after change from filestore on HDD to bluestore on SDD

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Hi,

Am 28.03.19 um 20:03 schrieb ceph@xxxxxxxxxx:
> Hi Uwe,
> 
> Am 28. Februar 2019 11:02:09 MEZ schrieb Uwe Sauter <uwe.sauter.de@xxxxxxxxx>:
>> Am 28.02.19 um 10:42 schrieb Matthew H:
>>> Have you made any changes to your ceph.conf? If so, would you mind
>> copying them into this thread?
>>
>> No, I just deleted an OSD, replaced HDD with SDD and created a new OSD
>> (with bluestore). Once the cluster was healty again, I
>> repeated with the next OSD.
>>
>>
>> [global]
>>  auth client required = cephx
>>  auth cluster required = cephx
>>  auth service required = cephx
>>  cluster network = 169.254.42.0/24
>>  fsid = 753c9bbd-74bd-4fea-8c1e-88da775c5ad4
>>  keyring = /etc/pve/priv/$cluster.$name.keyring
>>  public network = 169.254.42.0/24
>>
>> [mon]
>>  mon allow pool delete = true
>>  mon data avail crit = 5
>>  mon data avail warn = 15
>>
>> [osd]
>>  keyring = /var/lib/ceph/osd/ceph-$id/keyring
>>  osd journal size = 5120
>>  osd pool default min size = 2
>>  osd pool default size = 3
>>  osd max backfills = 6
>>  osd recovery max active = 12
> 
> I guess should decrease  this last two  parameters to 1. This should help to avoid to much pressure on your drives...
> 

Unlikely to help as no recovery / backfilling is running when the situation appears.

> Hth
> - Mehmet 
> 
>>
>> [mon.px-golf-cluster]
>>  host = px-golf-cluster
>>  mon addr = 169.254.42.54:6789
>>
>> [mon.px-hotel-cluster]
>>  host = px-hotel-cluster
>>  mon addr = 169.254.42.55:6789
>>
>> [mon.px-india-cluster]
>>  host = px-india-cluster
>>  mon addr = 169.254.42.56:6789
>>
>>
>>
>>
>>>
>>>
>> ----------------------------------------------------------------------------------------------------------------------------------
>>> *From:* ceph-users <ceph-users-bounces@xxxxxxxxxxxxxx> on behalf of
>> Vitaliy Filippov <vitalif@xxxxxxxxxx>
>>> *Sent:* Wednesday, February 27, 2019 4:21 PM
>>> *To:* Ceph Users
>>> *Subject:* Re:  Blocked ops after change from filestore
>> on HDD to bluestore on SDD
>>>  
>>> I think this should not lead to blocked ops in any case, even if the 
>>> performance is low...
>>>
>>> -- 
>>> With best regards,
>>>    Vitaliy Filippov
>>> _______________________________________________
>>> ceph-users mailing list
>>> ceph-users@xxxxxxxxxxxxxx
>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>>
>>> _______________________________________________
>>> ceph-users mailing list
>>> ceph-users@xxxxxxxxxxxxxx
>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>>
>>
>> _______________________________________________
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