Category
Category
Category
Category
Rule Index
Rule Index
Rule Index
Rule Index
Rule Description
Rule Description
Rule Description
Rule Description
Single System
Single System
Single System
Single System
High
High
High
High
Availability
Availability
Availability
Availability
36
Superdome PA-8600/PA-8700
Superdome PA-8600/PA-8700
Superdome PA-8600/PA-8700
Superdome PA-8600/PA-8700: Each cell should have at least two active processors.
Superdome PA-8800
Superdome PA-8800
Superdome PA-8800
Superdome PA-8800: Each cell should have at least four active processors.
37
NOTE:
NOTE:
NOTE:
NOTE: Only Superdome PA 8800 supports 1-GB DIMMs.
Each cell should have at least 4 GB (8
DIMMs) of memory using 512-MB DIMMs and at least 8 GB of memory using 1-GB DIMMs or at
least 16 GB of memory using 2-GB DIMMs..
38
I/O chassis ownership must be localized as much as possible. One way is to assign I/O chassis
to partitions in sequential order starting from INSIDE the single cabinet, then out to the I/O
expansion cabinet 'owned' by the single cabinet.
39
I/O expansion cabinets can be used only when the main system cabinet holds maximum number
of I/O card cages. Thus, the cabinet must first be filled with I/O card cages before using an I/O
expansion cabinet.
40
Single cabinets connected to form a dual cabinet (using flex cables) should use a single I/O
expansion cabinet if possible.
41
Spread enough connections across as many I/O chassis as it takes to become 'redundant' in I/O
chassis'. In other words, if an I/O chassis fails, the remaining chassis have enough connections to
keep the system up and running, or in the worst case, have the ability to reboot with the
connections to peripherals and networking intact.
42
All SCSI cards are configured in the factory as unterminated. Any auto termination is defeated. If
auto termination is not defeatable by hardware, the card is not used at first release. Terminated
cable would be used for connection to the first external device. In the factory and for shipment, no
cables are connected to the SCSI cards. In place of the terminated cable, a terminator is placed
on the cable port to provide termination until the cable is attached. This is needed to allow HP UX
to boot. The customer does not need to order the terminators for these factory integrated SCSI
cards, since the customer will probably discard them. The terminators are provided in the factory
by use of constraint net logic.
43
Partitions whose I/O chassis are contained within a single cabinet have higher availability than
those partitions that have their I/O chassis spread across cabinets.
44
A partition's core I/O chassis should go in a system cabinet, not an I/O expansion cabinet.
45
A partition should be connected to at least two I/O chassis containing Core I/O cards. This
implies that all partitions should be at least 2 cells in size. The lowest number cell or I/O chassis
is the 'root' cell; the second lowest number cell or I/O chassis combo in the partition is the
'backup root' cell.
46
A partition should consist of at least two cells.
47
Not more than one partition should span a cabinet or a crossbar link. When crossbar links are
shared, the partition is more at risk relative to a crossbar failure that may bring down all the cells
connected to it.
QuickSpecs
HP 9000 Superdome Servers (PA-8600, PA-8700, PA-
HP 9000 Superdome Servers (PA-8600, PA-8700, PA-
HP 9000 Superdome Servers (PA-8600, PA-8700, PA-
HP 9000 Superdome Servers (PA-8600, PA-8700, PA-
8800 and PA-8900)
8800 and PA-8900)
8800 and PA-8900)
8800 and PA-8900)
System Management Features
DA - 11721 Worldwide — Version 28 — October 23, 2009
Page 40
