Why the value of LowTotal is different in /proc/meminfo on two identical servers ?
Issue
- Why the value of LowTotal is different in /proc/meminfo on two identical servers with same hardware, BIOS and kernel version ?
Details from server: 1
# uname -r
2.6.18-348.12.1.el5PAE
# dmidecode | grep -A 3 "BIOS Information"
BIOS Information
Vendor: HP
Version: P64
Release Date: 05/05/2011
$ egrep -i "low|high" /proc/meminfo
HighTotal: 24238204 kB
HighFree: 15364932 kB
LowTotal: 579608 kB <<<<
LowFree: 215632 kB
Details from server: 2
# uname -r
2.6.18-348.12.1.el5PAE
# dmidecode | grep -A 3 "BIOS Information"
BIOS Information
Vendor: HP
Version: P64
Release Date: 05/05/2011
# egrep -i "low|high" /proc/meminfo
HighTotal: 24238204 kB
HighFree: 9440544 kB
LowTotal: 710680 kB <<<<
LowFree: 558924 kB
Environment
- Red Hat Enterprise Linux 5 (x86)
- kdump ( crashkernel )
- LowTotal
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