Re: ceph 0.72 with zfs

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Hi Dinu,

You currently need to compile yourself, and pass --with-zfs to 
./configure.

Once it is built in, ceph-osd will detect whether the underlying fs is zfs 
on its own.

sage



On Wed, 6 Nov 2013, Dinu Vlad wrote:

> Hello,
> 
> I'm testing the 0.72 release and thought to give a spin to the zfs support. 
> 
> While I managed to setup a cluster on top of a number of zfs datasets, the ceph-osd logs show it's using the "genericfilestorebackend": 
> 
> 2013-11-06 09:27:59.386392 7fdfee0ab7c0  0 genericfilestorebackend(/var/lib/ceph/osd/ceph-0) detect_features: FIEMAP ioctl is NOT supported
> 2013-11-06 09:27:59.386409 7fdfee0ab7c0  0 genericfilestorebackend(/var/lib/ceph/osd/ceph-0) detect_features: FIEMAP ioctl is disabled via 'filestore fiemap' config option
> 2013-11-06 09:27:59.391026 7fdfee0ab7c0  0 genericfilestorebackend(/var/lib/ceph/osd/ceph-0) detect_features: syncfs(2) syscall fully supported (by glibc and kernel)
> 
> I noticed however that the ceph sources include some files related to zfs: 
> 
> # find . | grep -i zfs
> ./src/os/ZFS.cc
> ./src/os/ZFS.h
> ./src/os/ZFSFileStoreBackend.cc
> ./src/os/ZFSFileStoreBackend.h 
> 
> A coupel of questions: 
> 
> - is 0.72-rc1 package currently in the raring repository compiled with zfs support ? 
> - if yes - how can I "inform" ceph-osd to use the ZFSFileStoreBackend ? 
> 
> Thanks,
> Dinu
> _______________________________________________
> ceph-users mailing list
> ceph-users@xxxxxxxxxxxxxx
> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
> 
> 
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