SUMMARY - Offline memory dimms on V480R ?

Not possible to offline dimms - however is possible to lilmit available memory
at boot time with the /etc/system setting physmem. This is a value in memory
pages,

eg

my 4GB system has

adb -kw /dev/ksyms /dev/mem
physmem 7c239

Which when hex is converted to dec = to 508473 pages

I wanted 2GB so 508473/2 = 254236

add to /set/system

physmem=254236

reboot

You can check via the above adb or check messages for


Aug  8 11:14:21 obedb1 unix: [ID 654388 kern.warning] WARNING: limiting
physmem to 254236 pages
Aug  8 11:14:21 obedb1 unix: [ID 389951 kern.info] mem = 4194304K
(0x100000000)
Aug  8 11:14:21 obedb1 unix: [ID 930857 kern.info] avail mem = 2048122880


Thanks

Laurence

............................................



Hello,

Wonder if it is possible to offline memory on a 480R ? - in the same fasion i
can offline a cpu with psradm ?

My box has 4gb made up of


          Logical  Logical  Logical
     MC   Bank     Bank     Bank         DIMM    Interleave  Interleaved
Brd  ID   num      size     Status       Size    Factor      with
---  ---  ----     ------   -----------  ------  ----------  -----------
 A    0     0       512MB   no_status     256MB     8-way        0
 A    0     1       512MB   no_status     256MB     8-way        0
 A    0     2       512MB   no_status     256MB     8-way        0
 A    0     3       512MB   no_status     256MB     8-way        0
 A    2     0       512MB   no_status     256MB     8-way        0
 A    2     1       512MB   no_status     256MB     8-way        0
 A    2     2       512MB   no_status     256MB     8-way        0
 A    2     3       512MB   no_status     256MB     8-way        0

would like to drop bix to 2gb for some urgent testing due toi an upgrade
rollback.

Or do i have to remove dimms physically ?


Thanks

Laurence



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