AFAIK, it's not possible. A journal should be on the same server as the OSD it serves. CMIIW. Thank you. On Mon, Jul 21, 2014 at 10:34 PM, ???? <onlydebian at gmail.com> wrote: > thanks for ur reply. > > in ur case, u deploy 3 osds in one server. my case is that 3 osds in 3 > server. > how to do ? > > > 2014-07-21 17:59 GMT+07:00 Iban Cabrillo <cabrillo at ifca.unican.es>: > > Dear, >> I am not an expert, but Yes This is possible. >> I have RAID1 SAS disk journal for 3 journal SATA osds (maybe this is >> not the smartest solution) >> >> When you preparere the OSDs for example: >> >> ceph-deploy --verbose osd prepare cephosd01:/dev/"sdd_device":"path_to >> journal_ssddisk_X" >> >> path_to journal_ssddisk_X must exists (mkdir -p /var/ceph/osd1; touch >> /var/ceph/osd1/journal) >> for example: >> >> ceph-deploy --verbose osd prepare >> cephosd01:/dev/sdg:/var/ceph/osd1/journal >> ceph-deploy --verbose osd prepare >> cephosd01:/dev/sdf:/var/ceph/osd2/journal >> ceph-deploy --verbose osd prepare >> cephosd01:/dev/sdh:/var/ceph/osd3/journal >> >> Then activate the OSDs... >> >> ceph-deploy --verbose osd activate >> cephosd01:/dev/sdg1:/var/ceph/osd1/journal >> ceph-deploy --verbose osd activate >> cephosd01:/dev/sdf1:/var/ceph/osd2/journal >> ceph-deploy --verbose osd activate >> cephosd01:/dev/sdh1:/var/ceph/osd3/journal >> >> regards, I >> >> >> 2014-07-21 12:30 GMT+02:00 ???? <onlydebian at gmail.com>: >> >>> i have only one SSD want to improve Ceph perfermnace. >>> Is possible to use one SSD journal hard disk for 3 OSD ? >>> >>> if it is possible ,how to config it ? >>> many thanks >>> >>> _______________________________________________ >>> ceph-users mailing list >>> ceph-users at lists.ceph.com >>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >>> >>> >> >> >> -- >> >> ############################################################################ >> Iban Cabrillo Bartolome >> Instituto de Fisica de Cantabria (IFCA) >> Santander, Spain >> Tel: +34942200969 >> PGP PUBLIC KEY: >> http://pgp.mit.edu/pks/lookup?op=get&search=0xD9DF0B3D6C8C08AC >> >> ############################################################################ >> Bertrand Russell: >> *"El problema con el mundo es que los est?pidos est?n seguros de todo y >> los inteligentes est?n llenos de dudas*" >> > > > _______________________________________________ > ceph-users mailing list > ceph-users at lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.ceph.com/pipermail/ceph-users-ceph.com/attachments/20140721/6ba6f300/attachment.htm>
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