Of course, the simplest way is using the command ceph osd tree.
Note that, if an osd is down, you can see "last address" in ceph health detail :
$ ceph health detail
...
osd.37 is down since epoch 16952, last address 172.16.4.68:6804/628
Also, you can use …
FYI, the first RBD support has been added to LXC commands.
# Install LXC 2.0.0 (ubuntu) :
$ add-apt-repository ppa:ubuntu-lxc/lxc-stable
$ apt-get update
$ apt-get install lxc
# Add a ceph pool for lxc bloc devices :
$ ceph osd pool create lxc 64 64
# To create the container, you only need to …After numerous problems encountered with the P20 firmware on this card model, here are the steps I followed to flash in P19 Version.
Since, no more problems :)
The model of the card is a LSI 9207-8i (SAS2308 controler) with IT FW:
lspci | grep LSI
01:00.0 Serial Attached SCSI …List the total size of all keys for each object on a pool.
object size_keys(kB) size_values(kB) total(kB) nr_keys nr_values
meta.log.44 0 1 1 0 10
data_log.78 0 56419 56419 0 406841
meta.log.36 0 1 1 0 10
data_log.71 0 56758 56758 …This kernel version support all features for Hammer, in particular straw v2.
https://www.kernel.org/
The main changes in this version:
rbd: rbd_wq comment is obsolete
libceph: announce support for straw2 buckets
crush: straw2 bucket type with an efficient 64-bit crush_ln()
crush: ensuring at most num-rep osds …