Hi all,
due an very silly approach, I removed the cache tier of an filled EC pool.
After recreate the pool and connect with the EC pool I don't see any content.
How can I see the rbd_data and other files through the new ssd cache tier?
I think, that I must recreate the rbd_directory (and fill with setomapval), but I don't see anything yet!
$ rados ls -p ecarchiv | more
rbd_data.2e47de674b0dc51.0000000000390074
rbd_data.2e47de674b0dc51.000000000020b64f
rbd_data.2fbb1952ae8944a.000000000016184c
rbd_data.2cfc7ce74b0dc51.0000000000363527
rbd_data.2cfc7ce74b0dc51.000000000004c35f
rbd_data.2fbb1952ae8944a.000000000008db43
rbd_data.2cfc7ce74b0dc51.000000000015895a
rbd_data.31229f0238e1f29.00000000000135eb
...
$ rados ls -p ssd-archiv
#### nothing ####
generation of the cache tier:
$ rados mkpool ssd-archiv
$ ceph osd pool set ssd-archiv crush_ruleset 5
$ ceph osd tier add ecarchiv ssd-archiv
$ ceph osd tier cache-mode ssd-archiv writeback
$ ceph osd pool set ssd-archiv hit_set_type bloom
$ ceph osd pool set ssd-archiv hit_set_count 1
$ ceph osd pool set ssd-archiv hit_set_period 3600
$ ceph osd pool set ssd-archiv target_max_bytes 50000000000
rule ssd {
ruleset 5
type replicated
min_size 1
max_size 10
step take ssd
step choose firstn 0 type osd
step emit
}
Are there any "magic" (or which command I missed?) to see the excisting data throug the cache tier?
regards - and hoping for answers
Udo
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