Quoting renjianxinlover (renjianxinlo...@163.com): > HI, Nathan, thanks for your quick reply! > comand 'ceph status' outputs warning including about ten clients failing to > respond to cache pressure; > in addition, in mds node, 'iostat -x 1' shows drive io usage of mds within > five seconds as follow,
You should run this iostat -x 1 on the OSD nodes ... MDS is not doing any IO in and of itself as far as Ceph is concerned. Gr. Stefan -- | BIT BV https://www.bit.nl/ Kamer van Koophandel 09090351 | GPG: 0xD14839C6 +31 318 648 688 / i...@bit.nl _______________________________________________ ceph-users mailing list ceph-users@lists.ceph.com http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com