Hi,
Thanks responnya.
Ternyata memory saya ndak hilang. Ini salah satu feature xen, yang akan
ngelock memory di untuk penggunaan xen (memory balooning/pool driver?).
[EMAIL PROTECTED] ~]# free -m
total used free shared buffers cached
Mem: 1406 852 553 0 556 88
-/+ buffers/cache: 207 1198
Swap: 2047 0 2047
[EMAIL PROTECTED] ~]# xm list
Name ID Mem(MiB) VCPUs State Time(s)
Domain-0 0 1406 4 r----- 76212.9
vm1 2 2055 1 -b---- 384904.7
vm2 3 519 1 -b---- 68441.0
vm3 6 519 1 -b---- 3886.2
[EMAIL PROTECTED] ~]#
Sebelumnya memory 3GB, sekarang tinggal 1,4GB karena saya coba increase
vm3 menjadi 2 GB (dari 512MB). Sudah saya kembalikan jadi 512, tapi
memory tidak di release dari xen, mungkin harus restart xend.
Jadi kesimpulannya memory ndak ada yg hilang.
Thanks,
EF
Fahmi Syafrizal wrote:
you must append the kernel command line with mem=6G.
this example shows how to enable the proper parameters in the grub.conf
file:
----
title Red Hat Enterprise Linux Server (2.6.18-4.elxen)
root (hd0, 0)
kernel /xen.gz-2.6.18-4-el5 mem=6G
module /vmlinuz -2.6.18-4.el5xen ro root=LABEL=/
module /initrd-2.6.18-4.el5xen.img
----
or you can upgrade kernel with support bigmem (big memory)
hint : kernel
kernel-bigmem, kernel-enterprise, Centos Plus
----- Original Message ----- From: "dv0r4k" <[EMAIL PROTECTED]>
To: <tanya-jawab@linux.or.id>
Sent: Monday, April 07, 2008 3:43 AM
Subject: [tanya-jawab] Memory linux hilang
Halo semua,
Saya pake CentOS 5 terinstall dengan 6GB memory, terbaca dengan baik
dari
dmesg. Tapi kenapa ya 'free' cuma nampilin 3GB?
[EMAIL PROTECTED] ~]# dmesg | head
Linux version 2.6.18-53.1.4.el5xen ([EMAIL PROTECTED]) (gcc
version 4.1.2 20070626 (Red Hat 4.1.2-14)) #1 SMP Fri Nov 30 01:53:35
EST
2007
BIOS-provided physical RAM map:
Xen: 0000000000000000 - 00000001749d6000 (usable)
5233MB HIGHMEM available.
727MB LOWMEM available.
Using x86 segment limits to approximate NX protection
On node 0 totalpages: 1526230
DMA zone: 186366 pages, LIFO batch:31
HighMem zone: 1339864 pages, LIFO batch:31
found SMP MP-table at 000f4f80
[EMAIL PROTECTED] ~]# free -m
total used free shared buffers cached
Mem: 2951 852 2098 0
555 83
-/+ buffers/cache: 214 2736
Swap: 2047 0 2047
[EMAIL PROTECTED] ~]#
Linux yang ini dedicated xen dengan 4 guest OS, semua linux. Selain
memory, semua running ok koq.
Please help.
EF
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