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Increase Loopback devices
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| The number of DomainsU that can be started at the same time in CentOS 5 is 5 Domains. It is a cause that the number of loop back devices on Domain0 is insufficient. If you want to start more than 6 DomainUs, increase loop back devices on Domain0. |
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[root@ns ~]# vi /etc/modprobe.conf # add at the bottom options loop max_loop=32 [root@ns ~]# for i in `seq 8 31`; do mknod -m660 /dev/loop$i b 7 $i; done [root@ns ~]# chown root:disk /dev/loop*
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| It's OK, many DomainUs can run like below. |
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[root@ns ~]# xm list Name ID Mem(MiB) VCPUs State Time(s) Host 0
512
2
r-----
25.7 3
511
2
-b----
4.9 lan 4
511
2
-b----
10.0 www 2
511
2
-b----
14.8 dlp1 1
511
2
-b----
12.7 dlp2 5
511
2
-b----
12.0 dlp3 6
511
2
-b----
9.3 dlp4 7
511
2
-b----
5.9 dlp5 8
511
2
-b----
4.9 dlp6 9
511
2
-b----
3.6
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