Hi all,
On 12/02/2015 12:10 PM, Jan Schermer wrote:
1) if you have the original drive that works and just want to replace it then you can
just "dd" it over to the new drive and then extend the partition if the new one
is larger, this avoids double backfilling in this case
2) if the old drive i
On 2 December 2015 at 11:10, Jan Schermer wrote:
> 1) if you have the original drive that works and just want to replace it then
> you can just "dd" it over to the new drive and then extend the partition if
> the new one is larger, this avoids double backfilling in this case
> 2) if the old driv
Here's something that I didn't see mentioned in this thread yet: the
set of PGs mapped to an OSD is a function of the ID of that OSD. So,
if you replace a drive but don't reuse the same OSD ID for the
replacement, you'll have more PG movement than if you kept the ID.
-- dan
On Wed, Dec 2, 2015 at
1) if you have the original drive that works and just want to replace it then
you can just "dd" it over to the new drive and then extend the partition if the
new one is larger, this avoids double backfilling in this case
2) if the old drive is dead you should "out" it and at the same time add a n
On 30 November 2015 at 09:34, Burkhard Linke
wrote:
> On 11/30/2015 10:08 AM, Carsten Schmitt wrote:
>> But after entering the last command, the cluster starts rebalancing again.
>>
>> And that I don't understand: Shouldn't be one rebalancing process enough
>> or am I missing something?
>
> Remov
It's probably worth noting that if you're planning on removing multiple
OSDs in this manner, you should make sure they are not in the same
failure domain, per your CRUSH rules. For example, if you keep one
replica per node and three copies (as in the default) and remove OSDs
from multiple nodes wit
Hi Carsten,
On 11/30/2015 10:08 AM, Carsten Schmitt wrote:
Hi all,
I'm running ceph version 0.94.5 and I need to downsize my servers
because of insufficient RAM.
So I want to remove OSDs from the cluster and according to the manual
it's a pretty straightforward process:
I'm beginning with "
On 30-11-15 10:08, Carsten Schmitt wrote:
> Hi all,
>
> I'm running ceph version 0.94.5 and I need to downsize my servers
> because of insufficient RAM.
>
> So I want to remove OSDs from the cluster and according to the manual
> it's a pretty straightforward process:
> I'm beginning with "ceph
Hi all,
I'm running ceph version 0.94.5 and I need to downsize my servers
because of insufficient RAM.
So I want to remove OSDs from the cluster and according to the manual
it's a pretty straightforward process:
I'm beginning with "ceph osd out {osd-num}" and the cluster starts
rebalancing i
