i'am having IBM server with Redhat 5 ElsmP connected to the IBM Storage over iSCSI (in sdb ) can someone explain this output from iostat command
avg-cpu: %user %nice %system %iowait %steal %idle
12.79 0.01 4.53 72.22 0.00 10.45
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 95.63 48.88 240.95 485589164 2393706728
sdb 29.20 350.49 402.08 3481983365 3994494696
move large file to sdb very slowly,it seem normaly?