Prtdiag -V displays 1GB Segment size & 128 MB Bank size with interleave factor of 8 for newly added 32 GB (Doc ID 1372786.1)

Last updated on NOVEMBER 02, 2011

Applies to:

Solaris SPARC Operating System - Version: 10 5/08 U5 and later   [Release: 10.0 and later ]
Information in this document applies to any platform.

Goal



# prtdiag -v

======================= Physical Memory Configuration ========================
Segment Table:
--------------------------------------------------------------
Base Segment Interleave Bank Contains
Address Size Factor Size Modules
--------------------------------------------------------------
0x0 64 GB 16 4 GB MB/CMP0/BR0/CH0/D0
MB/CMP0/BR0/CH1/D0
4 GB MB/CMP0/BR1/CH0/D0
MB/CMP0/BR1/CH1/D0
8 GB MB/CMP1/BR0/CH0/D0
MB/CMP1/BR0/CH1/D0
8 GB MB/CMP1/BR1/CH0/D0
MB/CMP1/BR1/CH1/D0
4 GB MB/CMP0/BR0/CH0/D1
MB/CMP0/BR0/CH1/D1
4 GB MB/CMP0/BR1/CH0/D1
MB/CMP0/BR1/CH1/D1
8 GB MB/CMP1/BR0/CH0/D1
MB/CMP1/BR0/CH1/D1
8 GB MB/CMP1/BR1/CH0/D1
MB/CMP1/BR1/CH1/D1
4 GB MB/CMP0/MR0/BR0/CH0/D2
MB/CMP0/MR0/BR0/CH1/D2
4 GB MB/CMP0/MR0/BR1/CH0/D2
MB/CMP0/MR0/BR1/CH1/D2
4 GB MB/CMP0/MR0/BR0/CH0/D3
MB/CMP0/MR0/BR0/CH1/D3
4 GB MB/CMP0/MR0/BR1/CH0/D3
MB/CMP0/MR0/BR1/CH1/D3


--

There is a difference in the way prtdiag Segment Size is broken down for the original 64GB of memory and newly added 32GB of memory.
See snippet below of prtdiag-v output: (why does it show up as 32 instances of 1GB Segment Size --- with interleave factor of 8 and bank size of 128 MB?)

0x1000000000 1 GB 8 128 MB MB/CMP0/BR0/CH0/D0
MB/CMP0/BR0/CH1/D0
128 MB MB/CMP0/BR1/CH0/D0
MB/CMP0/BR1/CH1/D0
128 MB MB/CMP0/BR0/CH0/D1
MB/CMP0/BR0/CH1/D1
128 MB MB/CMP0/BR1/CH0/D1
MB/CMP0/BR1/CH1/D1
128 MB MB/CMP0/MR0/BR0/CH0/D2
MB/CMP0/MR0/BR0/CH1/D2
128 MB MB/CMP0/MR0/BR1/CH0/D2
MB/CMP0/MR0/BR1/CH1/D2
128 MB MB/CMP0/MR0/BR0/CH0/D3
MB/CMP0/MR0/BR0/CH1/D3
128 MB MB/CMP0/MR0/BR1/CH0/D3
MB/CMP0/MR0/BR1/CH1/D3

Solution

Sign In with your My Oracle Support account

Don't have a My Oracle Support account? Click to get started

My Oracle Support provides customers with access to over a
Million Knowledge Articles and hundreds of Community platforms