No more Journals ?

[Markus Goldberg <goldberg@xxxxxxxxxxxxxxxxx>]

Hi,
i'm a little bit surprised. I read through the new manuals of 0.77 (http://eu.ceph.com/docs/v0.77/start/quick-ceph-deploy/)
In the section of creating the osd the manual says:

Then, from your admin node, use ceph-deploy to prepare the OSDs.

ceph-deploy osd prepare {ceph-node}:/path/to/directory

For example:

ceph-deploy osd prepare node2:/var/local/osd0 node3:/var/local/osd1

Finally, activate the OSDs.

ceph-deploy osd activate {ceph-node}:/path/to/directory

For example:

ceph-deploy osd activate node2:/var/local/osd0 node3:/var/local/osd1

In former versions the osd was created like:

ceph-deploy -v --overwrite-conf osd --fs-type btrfs prepare bd-0:/dev/sdb:/dev/sda5
                                                                          ^^^^^^^^^^ Journal
As i remember defining and creating a journal for each osd was a must.

So the question is: Are Journals obsolet now ?

-- 
MfG,
  Markus Goldberg

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Markus Goldberg       Universität Hildesheim
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