Oracle FS Path Manager (FSPM) manages the Linux multipath framework and communicates with Oracle FS System systems on a control path, which is separate from the data path. The Linux multipath framework manages the LUN data access paths.
Figure 1 FSPM interaction with an Oracle FS System - Legend
1 User |
10 Linux multipath framework |
2 User application |
11 iSCSI software initiator (iSCSI) |
3 SAN host |
12 TCP/IP driver (iSCSI) |
4 A Linux Multipath daemon with FSPM plug-ins and 4B FSPM daemon |
13 HBA driver (FC, FCoE, or CNA) or NIC driver (iSCSI) |
5 Control path (all dashed lines) |
14 HBA (FC) or NIC (iSCSI) |
6 Oracle FS System administrator |
15 SCSI over FC (FC) or iSCSI over IP (iSCSI) |
7 Oracle FS System CLI or GUI |
16 Data path (all solid lines) |
8 Encrypted messages over TCP/IP |
17 Oracle FS System |
9 Network card |
18 Drive Enclosure storage pool |