Update 'Setup iniziale'

Setup-iniziale.md

@@ -192,7 +192,7 @@ for i in {1..20}; do sudo gluster peer probe steffe${i}; done;
 ```
 e creare il volume condiviso:
 ```bash
-sudo gluster volume create data replica 2 transport tcp steffe0:/data0 steffe1:/data1 steffe2:/data2 steffe3:/data3 steffe4:/data4 steffe5:/data5 steffe6:/data6 steffe7:/data7 steffe8:/data8 steffe9:/data9 steffe10:/data10 steffe11:/data11 steffe12:/data12 steffe13:/data13 steffe14:/data14 steffe15:/data15 steffe16:/data16 steffe17:/data17 steffe18:/data18 steffe19:/data19 steffe20:/data20 force
+sudo gluster volume create data replica 3 transport tcp steffe0:/data0 steffe1:/data1 steffe2:/data2 steffe3:/data3 steffe4:/data4 steffe5:/data5 steffe6:/data6 steffe7:/data7 steffe8:/data8 steffe9:/data9 steffe10:/data10 steffe11:/data11 steffe12:/data12 steffe13:/data13 steffe14:/data14 steffe15:/data15 steffe16:/data16 steffe17:/data17 steffe18:/data18 steffe19:/data19 steffe20:/data20 force
 sudo gluster volume start data
 sudo gluster volume info
 ```