Yes, Ceph will be writing twice , one for journal and one for actual data. Considering you configured journal in the same device , this is what you end up seeing if you are monitoring the device BW.
Thanks & Regards Somnath From: ceph-users [mailto:ceph-users-boun...@lists.ceph.com] On Behalf Of gjprabu Sent: Friday, June 05, 2015 3:07 AM To: ceph-users@lists.ceph.com Cc: Kamala Subramani; Siva Sokkumuthu Subject: [ceph-users] Ceph OSD with OCFS2 Dear Team, We are newly using ceph with two OSD and two clients. Both clients are mounted with OCFS2 file system. Here suppose i transfer 500MB of data in the client its showing double of the size 1GB after finish data transfer. Is the behavior is correct or is there any solution for this. Regards Prabu ________________________________ PLEASE NOTE: The information contained in this electronic mail message is intended only for the use of the designated recipient(s) named above. If the reader of this message is not the intended recipient, you are hereby notified that you have received this message in error and that any review, dissemination, distribution, or copying of this message is strictly prohibited. If you have received this communication in error, please notify the sender by telephone or e-mail (as shown above) immediately and destroy any and all copies of this message in your possession (whether hard copies or electronically stored copies).
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