Hi,
On 08/05/2015 05:54 PM, Pieter Koorts
wrote:
Hi
I suspect something more sinister may be going on. I have set
the values (though smaller) on my cluster but the same issue
happens. I also find when the VM is trying to start there might
be an IRQ flood as processes like ksoftirqd seem to use more CPU
than they should.
####################
pool 1 'ssd' replicated size 3 min_size 2 crush_ruleset 1
object_hash rjenkins pg_num 128 pgp_num 128 last_change 60 flags
hashpspool,incomplete_clones tier_of 0 cache_mode writeback
target_bytes 120000000000 target_objects 1000000 hit_set
bloom{false_positive_probability: 0.05, target_size: 0, seed: 0}
1800s x1 stripe_width 0
####################
You can check whether the cache pool operates correctly by using the
ceph admin user and the rbd command line tool or qemu-img to create
some objects in the pools, e.g.
qemu-img -p <hdd pool> create test 1G
rbd -p <hdd pool> import <some file>
(not sure about the correct syntax...)
If this is working correctly the pool setup is fine.
Regards,
Burkhard
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