Please do run vmstat, start 1st vm, then 2nd and send vmstat output. Peter 2009/1/1, Andreas Höschler <[email protected]>: > Hi all, > >>>> Ray sessions dies and a bit later the complete machine (no ssh >>>> possible anymore). I checked the machine with >>>> >>>> prstat >>>> swap -s >>>> >>>> shortly before its death but found nothing unusal. Any idea what >>>> might cause this problem? The Ultra 20 with 4 GB should be able to >>>> host these two virtual machines that are doing close to nothing. >>>> Anyway both test machines froze after a while. Can anybody confirm >>>> this? Ideas to overcome this are very welcome! >>>> >>> How much memory have you assigned to the VM's? How much remains for >>> the host? It was explained here yesterday that each page a guest >>> touches is made non-swappable in the host. After a while, there may >>> be too little memory left for the host to operate, and since part >>> of each VM runs in host process space, they may freeze along with >>> other processes in the host. >> >> I have assigned 800 MB to each guest. With 4 GB RAM this leaves 2.4 GB >> to the OS. Should be sufficient!? > > Here is the result of my latest tests. I have a Ultra 20 (1 x 250 GB > SATA, 4 GB RAM) with a ZFS / Solaris 10 u6 installation and am running > VirtualBox 2.1.0. One Solaris 10 image/guest is running fine. When I > start the second Solaris 10 image / guest, the machine gets > unresponsive (unusable slow). > > prstat > ============================== > PID USERNAME SIZE RSS STATE PRI NICE TIME CPU PROCESS/NLWP > 2499 root 963M 886M sleep 60 0 3:35:52 0.6% VirtualBox/15 > 1288 root 91M 1084K sleep 59 -10 0:01:24 0.2% java/22 > 1089 noaccess 163M 680K sleep 59 0 0:01:28 0.2% java/19 > 4705 root 490M 419M sleep 59 0 0:03:51 0.2% VirtualBox/15 > 1834 utwww 274M 820K sleep 59 0 0:01:04 0.2% java/63 > 2082 root 50M 768K sleep 60 0 0:05:33 0.1% Xnewt/1 > 4702 root 3768K 196K cpu0 59 0 0:00:00 0.1% prstat/1 > 1862 root 24M 4012K sleep 59 0 0:00:34 0.1% Xorg/1 > > > df -h > ============================== > Filesystem size used avail capacity Mounted on > rpool/ROOT/s10x_u6wos_07b > 228G 52G 170G 24% / > /devices 0K 0K 0K 0% /devices > ctfs 0K 0K 0K 0% /system/contract > proc 0K 0K 0K 0% /proc > mnttab 0K 0K 0K 0% /etc/mnttab > swap 3.1G 416K 3.1G 1% /etc/svc/volatile > objfs 0K 0K 0K 0% /system/object > sharefs 0K 0K 0K 0% /etc/dfs/sharetab > /usr/lib/libc/libc_hwcap2.so.1 > 222G 52G 170G 24% /lib/libc.so.1 > fd 0K 0K 0K 0% /dev/fd > swap 3.1G 260K 3.1G 1% /tmp > swap 3.1G 32K 3.1G 1% /var/run > rpool/export 228G 19K 170G 1% /export > rpool/export/home 228G 18K 170G 1% /export/home > rpool 228G 35K 170G 1% /rpool > 192.168.1.1:/home 34G 16G 18G 48% /home > > iostat -D > ============================== > sd0 sd1 nfs1 nfs2 > rps wps util rps wps util rps wps util rps wps util > 7 7 4.7 0 0 0.0 0 0 0.0 0 0 0.0 > > iostat -x 4 > ============================== > device r/s w/s kr/s kw/s wait actv svc_t %w %b > sd0 114.7 36.0 3634.8 2318.9 11.9 0.9 84.8 99 90 > sd1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 > nfs1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 > nfs2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0 0 > > Both machines are configured to use 500 - 600 MB of RAM. What can I do? > > Thanks, > > Andreas > > > _______________________________________________ > vbox-users mailing list > [email protected] > http://vbox.innotek.de/mailman/listinfo/vbox-users >
_______________________________________________ vbox-users mailing list [email protected] http://vbox.innotek.de/mailman/listinfo/vbox-users
