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Re: [Xen-users] Limit on Number of VMs?
| To: | Chen Peng <chenpenghit@xxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-users] Limit on Number of VMs? |
| From: | Peter Braun <xenware@xxxxxxxxx> |
| Date: | Thu, 26 Nov 2009 11:53:42 +0100 |
| Cc: | Xen-users <Xen-users@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Thu, 26 Nov 2009 02:54:24 -0800 |
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Hi, ty dedicate dom0 memory: kernel /xen.gz-2.6.18-164.6.1.el5 dom0_mem=1GB or higher Peter 2009/11/26 Chen Peng <chenpenghit@xxxxxxxxx>: > Hi All, > > I am wondering if there is any limit on the number of VMs supported by Xen. > I was trying to create as more VMs as possible on my server. > When I had started about 150 VMs, the newly created VMs just crashed. > The error messages suggested that the hypervisor could not allocate memory > pages for the newly created VMs. > But the output messages of xentop command showed that there was enough memory > space left. > My grub.conf is: > title CentOS (2.6.18-164.6.1.el5xen) > root (hd0,0) > kernel /xen.gz-2.6.18-164.6.1.el5 > module /vmlinuz-2.6.18-164.6.1.el5xen ro root=/dev/VolGroup00/LogVol00 > module /initrd-2.6.18-164.6.1.el5xen.img > My Xen version number is 3.1.2(x86_64). > My server configuration is: > Intel 16 core SMP CPU > 72G Memory > 1TB HDD > > Could anyone give me some hints? > Many thanks! > > -- > Chen Peng > > > _______________________________________________ > Xen-users mailing list > Xen-users@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-users > _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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