On Monday, July 21, 2014, Jaemyoun Lee <jmlee at cpslab.hanyang.ac.kr> wrote: > Hi all, > > I wonder that OSDs use system calls of Virtual File System (i.e. open, > read, write, etc) when they access disks. > > I mean ... Could I monitor I/O command requested by OSD to disks if I > monitor VFS? > Yes. The default configuration stores data in a local filesystem and accesses it like any other sophisticated filesystem consumer. -Greg > > - Jae > > -- > ??? Jaemyoun Lee > > CPS Lab. ( Cyber-Physical Systems Laboratory in Hanyang University) > E-mail : jmlee at cpslab.hanyang.ac.kr > <javascript:_e(%7B%7D,'cvml','jmlee at cpslab.hanyang.ac.kr');> > Homepage : http://cpslab.hanyang.ac.kr > -- Software Engineer #42 @ http://inktank.com | http://ceph.com -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.ceph.com/pipermail/ceph-users-ceph.com/attachments/20140721/d37bb7cd/attachment.htm>