We have 2 virtuals servers (SAPVM01 and SAPVM06) in one physical server.
The first virtual system (SAPVM01) has a total size of 420 Gb and a free space of 170 GB. A SAP system is running.
The second virtual system (SAPVM06) has a total size of 200GB and it is a new system. it is empty.
The goal is to reduce SAPVM01 of 150 Gb and to add this space to SAPVM06.
Is it possible to do this??
Hereafter, some commands that they can help you:
we have VMWARE
the version of LINUX is [FONT=Arial]SUSE Linux ES 10.
Code:
SERVEUR20:~ # uname -a
Linux SERVEUR20 2.6.16.60-0.21-smp #1 SMP Tue May 6 12:41:02 UTC 2008 x86_64 x86_64 x86_64 GNU/Linux SERVEUR20:~ #
SERVEUR20:~ # vgdisplay
--- Volume group ---
VG Name system
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 3
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 2
Open LV 2
Max PV 0
Cur PV 1
Act PV 1
VG Size 429.92 GB
PE Size 4.00 MB
Total PE 110060
Alloc PE / Size 110058 / 429.91 GB
Free PE / Size 2 / 8.00 MB
VG UUID C2YYyy-iLrN-BrRv-MbmK-lHxP-fhbV-otbZCZ
SERVEUR20:~ #
SERVEUR20:~ # lvdisplay
--- Logical volume ---
LV Name /dev/system/root_lv
VG Name system
LV UUID iLVWmc-cqTP-x1ZV-WjY9-BYX7-dE1G-OQvl1b
LV Write Access read/write
LV Status available
# open 1
LV Size 407.91 GB
Current LE 104426
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:0
--- Logical volume ---
LV Name /dev/system/swap_lv
VG Name system
LV UUID e8hpKQ-44R2-B8V9-jp7K-qtKx-LX7K-tAeZuv
LV Write Access read/write
LV Status available
# open 2
LV Size 22.00 GB
Current LE 5632
Segments 1
Allocation inherit
Read ahead sectors 0
Block device 253:1
SERVEUR20:~ #
SERVEUR20:~ # fdisk -l
Disk /dev/sda: 461.7 GB, 461708984320 bytes
255 heads, 63 sectors/track, 56132 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 9 72261 83 Linux
/dev/sda2 10 56132 450807997+ 8e Linux LVM
Disk /dev/dm-0: 437.9 GB, 437994389504 bytes
255 heads, 63 sectors/track, 53249 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/dm-0 doesn't contain a valid partition table
Disk /dev/dm-1: 23.6 GB, 23622320128 bytes
255 heads, 63 sectors/track, 2871 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes
Disk /dev/dm-1 doesn't contain a valid partition table SERVEUR20:~ #
SERVEUR20:~ # mount
/dev/mapper/system-root_lv on / type ext3 (rw) proc on /proc type proc (rw) sysfs on /sys type sysfs (rw) debugfs on /sys/kernel/debug type debugfs (rw) udev on /dev type tmpfs (rw,size=22g) devpts on /dev/pts type devpts (rw,mode=0620,gid=5)
/dev/sda1 on /boot type ext3 (rw,acl,user_xattr) SERVEUR20:~ #
SERVEUR20:/etc # cat SuSE-release
SUSE Linux Enterprise Server 10 (x86_64) VERSION = 10 PATCHLEVEL = 2 SERVEUR20:/etc #
SERVEUR20:/ # cat /etc/fstab
/dev/system/root_lv / ext3 defaults 1 1
/dev/sda1 /boot ext3 acl,user_xattr 1 2
/dev/system/swap_lv swap swap defaults 0 0
proc /proc proc defaults 0 0
sysfs /sys sysfs noauto 0 0
debugfs /sys/kernel/debug debugfs noauto 0 0
devpts /dev/pts devpts mode=0620,gid=5 0 0
/dev/fd0 /media/floppy auto noauto,user,sync 0 0
SERVEUR20:/ #
SERVEUR20:/ # apropos reiser
debugfs.reiserfs (8) - The debugging tool for the ReiserFS filesystem.
reiserfsck (8) - The checking tool for the ReiserFS filesystem.
mkreiserfs (8) - The create tool for the Linux ReiserFS filesystem.
tunefs.reiserfs (8) - The tunning tool for the ReiserFS filesystem.
reiserfstune (8) - The tunning tool for the ReiserFS filesystem.
fsck.reiserfs (8) - The checking tool for the ReiserFS filesystem.
mkfs.reiserfs (8) - The create tool for the Linux ReiserFS filesystem.
resize_reiserfs (8) - resizer tool for the ReiserFS filesystem
debugreiserfs (8) - The debugging tool for the ReiserFS filesystem.
SERVEUR20:/ #
Is there someone to help me ??
thanks in advance for your help
Daniel
Last edited by pludi; 05-20-2010 at 07:41 AM..
Reason: code tags, please...
It appears as though the disk was already allocated to the VM. Also, in this way, I personally believe it was done in an inefficient way.
What is the output of
Code:
df -h
Also, could you add disk to the physical server and then allocate that to the second virtual server?
How much memory exists on the physical machine as well as each virtual machine?
Code:
vmstat -s -S M | egrep 'mem|swap'
You may also want to run top on the physical machine, not to mention, if these are running SAP, depending on the disk subsystem, you may run into contention for I/O and slow both of them down.
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