[Xen-users] memory problem

[Ralf Dreibrodt <rd@xxxxxxxx>]

Hello,

I have a problem with the memory of one xen server (debian sarge).

After booting I can see something like this (with xm list):
Domain-0       0      195    0  r----     21.4        
server1       70       79    0  -b---     62.8      9670
server2       11       79    0  -b---     83.5      9611
server3       13       79    0  -b---     33.7      9613
server4       14       79    0  -b---     83.1      9614
server5       57       79    0  -b---      5.5      9657
....

I have configured 200 MB for the xen server itself (Domain-0) and 80 MB
for every server.

There are 20 servers with 80 MB + 1x200 MB, about 1800 MB, the server
has 2000 MB.

After some days/weeks and some xm shutdown/destroy/creates later "xm
list" shows:
Name              Id  Mem(MB)  CPU  State  Time(s)  Console
Domain-0       0      195    0  r----   9822.9        
Domain-4       4       80    0  --p--      0.0        
server1       70       79    0  -b---     62.9    9670
server2       11       79    0  -b---   3684.5    9611
server3       13       79    0  -b---   7434.6    9613

There are suddenly names like "Domain-4", "Domain-5" and so on.

At first I had no problem with them, all servers have been running.
But as soon as there are 4 "unknown" Domain-x-servers, the memory of the
server is full and I cannot restart any server anymore.

I cannot remove the unknown "Domain-x"-servers with xm shutdown/destroy.
I have to reboot the whole server.

Is this an error in Xen?
Did I made any error?

Regards,
Ralf Dreibrodt

-- 
Mesos            Telefon 49 221 4855798-1
Eupener Str. 150 Fax     49 221 4855798-9
50933 Koeln      Mail    rd@xxxxxxxx

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