@Ullrich Mdnz, thanks: I have 5 filesystem and the max mount point for this 
node is 12. The throughput reported isn't ok cause referred to the sum of all 
sessions backup via fiber channel (lanfree) and isn't acceptable for a FC disk 
storage (not SATA).

@David McClelland, thanks: how can I obtain this output?

@chart2: 1) I have 5 filesystem (/oracle/<SID>/data1-2-3-4-5)
              2) Can you explain me this point?
              3) yes, consider that with the same tape drives I backup SAP by 
TDP with an average of 300MB/s
              4) yes, I see fc (2 ports) throughput by nmon, I see the 5 tape 
drives allocated to the storage agent node, I see node wirte directly in the 
tapes

thanks all friends

+----------------------------------------------------------------------
|This was sent by barberi.giuseppe AT gmail DOT com via Backup Central.
|Forward SPAM to abuse AT backupcentral DOT com.
+----------------------------------------------------------------------