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https://github.com/ceph/ceph
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54 lines
1.3 KiB
ReStructuredText
54 lines
1.3 KiB
ReStructuredText
==============================
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FreeBSD Implementation details
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==============================
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Disk layout
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-----------
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Current implementation works on ZFS pools
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* created in /var/lib/ceph
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* One ZFS pool per OSD, like::
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gpart create -s GPT ada1
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gpart add -t freebsd-zfs -l osd1 ada1
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zpool create -o mountpoint=/var/lib/ceph/osd/osd.1 osd
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* Maybe add some cache and log (ZIL)? Assuming that ada2 is an SSD::
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gpart create -s GPT ada2
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gpart add -t freebsd-zfs -l osd1-log -s 1G ada2
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zpool add osd1 log gpt/osd1-log
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gpart add -t freebsd-zfs -l osd1-cache -s 10G ada2
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zpool add osd1 log gpt/osd1-cache
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* Note: *UFS2 does not allow large xattribs*
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Configuration
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-------------
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As per FreeBSD default parts of extra software go into ``/usr/local/``. Which
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means that for ``/etc/ceph.conf`` the default location is
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``/usr/local/etc/ceph/ceph.conf``. Smartest thing to do is to create a softlink
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from ``/etc/ceph`` to ``/usr/local/etc/ceph``::
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ln -s /usr/local/etc/ceph /etc/ceph
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A sample file is provided in ``/usr/local/share/doc/ceph/sample.ceph.conf``
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MON creation
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------------
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Monitors are created by following the manual creation steps on::
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http://docs.ceph.com/docs/master/install/manual-deployment/
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OSD creation
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------------
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OSDs can be manually created only, see :ref:`freebsd_adding_osds`
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