โ
PCIe Flash Modules (PFM)
A PCIe Flash Module (PFM) is a module that is installed to operate the Extreme Cache function.
1.6TB and 3.2TB PFM capacity options are available for Extreme Cache.
Up to eight PFMs can be installed in each controller. Slot 16 to Slot 23 are shared by the drives and the PFMs.
The maximum PFM capacity of each controller enclosure is 25.6TB.
A PFM has LEDs.
โ ETERNUS DX500 S5/DX600 S5/DX900 S5
Figure 64
PFM
The LEDs turn on or blink to indicate the statuses that are listed below.
Table 31 Status and Meaning of Each LED (PFM)
LED name LED status Meaning
READY
(green)
The PFM is in normal status.
(blinks green)
The PFM is busy or temporarily unavailable.
FAULT
(amber)
The PFM is in error status.
A. Component Names
Controller Enclosure
241 Configuration Guide (Basic)