Re: Unable to build Ceph from source code

[Dan Mick <dan.mick@inktank.com>]

On 10/17/2012 09:58 PM, hemant surale wrote:
> Hi Community,
>   I have tried to build ceph from source code i.e. v0.48 tarball .
> After proceeding to all steps given at official site . when I execute
> "service ceph start " it gives following error
>
> -----------------//Error ------------------------------------
> root@atish-virtual-machine:~# service ceph start
> /etc/init.d/ceph: 37: .: Can't open /usr/lib/ceph/ceph_common.sh
> -----------------------------------------------------------------

So, clearly something went wrong with the installation step, and this 
file was not created.  How did you install after building?

> As well as I have created ceph.conf .. and when I execute "mkcephfs -a
> -c /usr/local/bin/ceph.conf -k ceph.keyring" it gives following error
>
> -----------------//Error ------------------------------------
> temp dir is /tmp/mkcephfs.fwMGAd6Qko
> preparing monmap in /tmp/mkcephfs.fwMGAd6Qko/monmap
> /usr/local/bin/monmaptool --create --clobber --add alpha
> 10.72.148.248:6789 --print /tmp/mkcephfs.fwMGAd6Qko/monmap
> /usr/local/bin/monmaptool: monmap file /tmp/mkcephfs.fwMGAd6Qko/monmap
> /usr/local/bin/monmaptool: generated fsid 390b4802-a482-4d28-98ea-e5437881b22b
> epoch 0
> fsid 390b4802-a482-4d28-98ea-e5437881b22b
> last_changed 2012-10-17 16:57:30.446192
> created 2012-10-17 16:57:30.446192
> 0: 10.72.148.248:6789/0 mon.alpha
> /usr/local/bin/monmaptool: writing epoch 0 to
> /tmp/mkcephfs.fwMGAd6Qko/monmap (1 monitors)
> === osd.0 ===
> 2012-10-17 16:57:30.550339 b6fb3740 -1
> filestore(/var/lib/ceph/osd/ceph-0) limited size xattrs -- enable
> filestore_xattr_use_omap

^^ this is a pretty good clue.  It says the filesystem you've chosen for 
your OSD  has limited size for storing xattrs.  You should enable the 
filestore_xattr_use_omap option.  See
http://ceph.com/docs/master/config-cluster/file-system-recommendations/


> 2012-10-17 16:57:30.550399 b6fb3740 -1 OSD::mkfs: couldn't mount
> FileStore: error -95
> 2012-10-17 16:57:30.550440 b6fb3740 -1  ** ERROR: error creating empty
> object store in /var/lib/ceph/osd/ceph-0: (95) Operation not supported
> failed: '/usr/local/sbin/mkcephfs -d /tmp/mkcephfs.fwMGAd6Qko
> --init-daemon osd.0'
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Please help me out. Thanks in advance
>
> -
> Hemant Surale.
> --
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