Dear All, I have this scenario: 2 Server with GlusterFS 1.3.12 1 client with that mount Gluster in AFR mode. Hardware configuration: Server and client (total of 3): Dell Poweredge 2950, 2 Gb of memory, dual core Intel Xeon, 2 Hard Disk (sata) in Raid 1 by dedicated SAS controller, Mellanox IB card (MHEA28) Infiniband are in SDR configuration, switch are a Voltaire ISR 9024-DM Finished installation and some config settings, I have retry this: time dd if=/dev/zero of=/mnt/glusterfs/dssdfsdfsf.img bs=1M count=200 ...... 53.8 MB/s How I can modify my settings to have best performace? There are my config files: ##### CLIENT ##### volume remote1 type protocol/client option ib-verbs-work-request-send-size 512kB # 2MB option ib-verbs-work-request-send-count 16 option ib-verbs-work-request-recv-size 256kB option ib-verbs-work-request-recv-count 16 option transport-type ib-verbs/client # for ib-verbs transport option remote-host 10.0.0.10 option remote-subvolume brick end-volume volume remote2 type protocol/client option ib-verbs-work-request-send-size 512kB # 2MB option ib-verbs-work-request-send-count 16 option ib-verbs-work-request-recv-size 256kB option ib-verbs-work-request-recv-count 16 option transport-type ib-verbs/client # for ib-verbs transport option remote-host 10.0.0.11 option remote-subvolume brick end-volume volume mirror0 type cluster/afr subvolumes remote1 remote2 end-volume volume iot type performance/io-threads option thread-count 8 # deault is 1 option cache-size 64MB subvolumes mirror0 end-volume volume wb type performance/write-behind option aggregate-size 512kB # 2MB # default is 0bytes option flush-behind on # default is 'off' subvolumes iot end-volume volume ra type performance/read-ahead option page-size 256kB # is the default option option page-count 32 # 2 is default option option force-atime-update off # default is off subvolumes wb end-volume volume ioc type performance/io-cache option cache-size 64MB # default is 32MB option page-size 1MB #128KB is default option #option priority *.h:3,*.html:2,*:1 # default is '*:0' option force-revalidate-timeout 2 # default is 1 subvolumes ra end-volume #### SERVER #### volume brick type storage/posix # POSIX FS translator option directory /home/export # Export this directory end-volume volume posix-locks type features/posix-locks option mandatory on subvolumes brick end-volume volume iot type performance/io-threads option thread-count 8 # deault is 1 option cache-size 64MB subvolumes posix-locks end-volume volume wb type performance/write-behind option aggregate-size 512kB option flush-behind on subvolumes iot end-volume volume ra type performance/read-ahead option page-size 256kB option page-count 16 option force-atime-update off # default is off subvolumes wb end-volume volume ioc type performance/io-cache option cache-size 64MB # default is 32MB option page-size 1MB #128KB is default option #option priority *.h:3,*.html:2,*:1 # default is '*:0' option force-revalidate-timeout 2 # default is 1 subvolumes ra end-volume volume server type protocol/server option ib-verbs-work-request-send-size 512kB # 2MB option ib-verbs-work-request-send-count 16 option ib-verbs-work-request-recv-size 256kB option ib-verbs-work-request-recv-count 16 option transport-type ib-verbs/server # For ib-verbs transport option bind-address 10.0.0.10 # Default is to listen on all interfaces option listen-port 6996 # Default is 6996 subvolumes brick option auth.ip.brick.allow * # Allow access to "brick" volume end-volume #### END OF CONFIG FILES #### Many Thanks, Enrico
