I wonder if this is not a bug or so. Adding the class hdd, to an all hdd
cluster should not have such result that 60% of objects are moved
around.
pool fs_data.ec21 id 53
3866523/6247464 objects misplaced (61.889%)
recovery io 93089 kB/s, 22 objects/s
-----Original Message-----
From: Marc Roos
Sent: woensdag 13 juni 2018 7:14
To: ceph-users; k0ste
Subject: Re: Add ssd's to hdd cluster, crush map class hdd
update necessary?
I just added here 'class hdd'
rule fs_data.ec21 {
id 4
type erasure
min_size 3
max_size 3
step set_chooseleaf_tries 5
step set_choose_tries 100
step take default class hdd
step choose indep 0 type osd
step emit
}
-----Original Message-----
From: Konstantin Shalygin [mailto:k0ste@xxxxxxxx]
Sent: woensdag 13 juni 2018 12:30
To: Marc Roos; ceph-users
Subject: Re: Add ssd's to
hdd cluster, crush map class hdd update necessary?
On 06/13/2018 12:06 PM, Marc Roos wrote:
> Shit, I added this class and now everything start backfilling (10%)
> How is this possible, I only have hdd's?
This is normal when you change your crush and placement rules.
Post your output, I will take a look
ceph osd crush tree
ceph osd crush dump
ceph osd pool ls detail
k
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