AIX - How to get Memory infomation

AIX - How to get Memory infomation

 
Question : How to check memory size allocated to an AIX box if it is a lpar?
Answer : lparstat command with option "i" can be used.
Example :
root@server # lparstat -i |grep -i memory
Online Memory : 320 MB
Maximum Memory : 1536 MB
Minimum Memory : 288 MB
Desired Memory : 320 MB


Question : How to check memory size configured on an AIX machine?
Answer : Command prtconf can be used to display it's system configuration information. Option "m" to display memory information.
Example :
root@server # prtconf -m
Memory Size: 320 MB


Question : How to check current usage of memory in AIX?
Answer : svmon command can be used to display current usage of memory.
Example :
root@server # svmon -G
size inuse free pin virtual
memory 81920 78726 3194 53486 138389
pg space 262144 59616

work pers clnt other
pin 45132 0 0 8354
in use 75732 5 2989

PageSize PoolSize inuse pgsp pin virtual
s 4 KB - 53078 48784 43086 96613
m 64 KB - 1603 677 650 2611
Note : You need to calculate the memory size by multiplying memory size output with 4kb.

Question : How to check memory stick [DIMM] configured on an AIX machine?
Answer : lscfg command with option "vp" can be used to display configuration on an AIX machine.
Example :
root@server # lscfg -vp |grep -p "DIMM"
Memory DIMM:
Record Name.................VINI
Flag Field..................XXMS
Hardware Location Code......U788C.001.AAA6522-P1-C5
Customer Card ID Number.....312B
Serial Number...............YH10BK66W0ZK
Part Number.................12R8255
FRU Number.................. 12R8255
Size........................1024
Version.....................RS6K
Physical Location: U788C.001.AAA6522-P1-C5


Question : How to get the number of memory stick [DIMM] installed on an AIX machine?
Answer : Use lscfg command with option "vp" and grep keyword "DIMM" followed by command "wc -l".
Example :
root@server # lscfg -vp |grep "DIMM" | wc -l


Question : How to get the size of memory stick [DIMM] installed on an AIX machine?
Answer : Use lscfg command with option "vp" and couple with grep command.
Example : Values are in MB.
root@server # lscfg -vp |grep -p "DIMM" | grep -i size
Size........................1024
Size........................1024
Note : Values are in MB.
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