Get HBA WWN on CentOS Linux

New server with FC-HBAs, witch have to be connect to a SAN-Fabric ?

Get WWPN (Word Wide Port Name)
2 HBA, with 2 ports represent by a host number.

# lspci | grep HBA
05:00.0 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA (rev 02)
05:00.1 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA (rev 02)
08:00.0 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA (rev 02)
08:00.1 Fibre Channel: QLogic Corp. ISP2532-based 8Gb Fibre Channel to PCI Express HBA (rev 02)

#cat /sys/class/fc_host/host*/port_name

0x500143802421ff25
0x500143802421ff27
0x500143802422010d
0x500143802422010f

$grep '0x' /sys/class/fc_host/host*/port_name 

/sys/class/fc_host/host3/port_name:0x500143802421ff25

/sys/class/fc_host/host4/port_name:0x500143802421ff27

/sys/class/fc_host/host5/port_name:0x500143802422010d

/sys/class/fc_host/host6/port_name:0x500143802422010f

Get  Fabric WWNN (Node Name)

# grep '0x' /sys/class/fc_host/host*/fabric_name 
/sys/class/fc_host/host3/fabric_name:0x100000051ec624f6
/sys/class/fc_host/host4/fabric_name:0x100000051ecc4c2a
/sys/class/fc_host/host5/fabric_name:0x100000051ecc4c2a
/sys/class/fc_host/host6/fabric_name:0x100000051ec624f6

After the zoning, we can get the remote node/port name of equipment with who we can communicate:

#cat /sys/class/fc_remote_ports/rport-*/node_name

Parallelize Rsync


1- Sync the directory tree
rsync -a -f"+ */" -f"- *" source/ destination/
2- Parallise rsync (Multiple thread)
cd $SOURCEDIR; find . -type f | xargs -n1 -P$THREADS -I% rsync -az % /$DESTDIR/%