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2009 Apr 27
4
Pygrub + ZFS: problem of booting
Hello!
My Dom0 config: Xubuntu 8.10 + "Xen-3.3.1 and kernel-2.6.18-xen.hg"
I have Nexenta CP2 RC1 (Opensolaris b104) on ZFS file system.
I installed this OS in HVM.
For PV i used pygrub.
My config file: ''ncp2.pygrub''
bootloader = "/usr/bin/pygrub"
boot = "c"
memory = 512
name = "NexentaPV"
uuid = "06ed00fe-1162-4fc4-b5d8-11993ee4a8b9"
vif = [ ''bridge=xenbr0'' ]
disk = [ ''file:/mnt/xen-vm-disk/ncp_disk.img,0,w'' ]
on_p...
2006 Jul 01
1
noncentral F-distributed random numbers (PR#9055)
...2))
else rchisq(n, df1, ncp = ncp)/rchisq(n, df2)
}
<environment: namespace:stats>
where I believe both the numerator and the denominator should be divided by
their corresponding degrees of freedom.
My suggested (slighly augmented) version is:
> rf=
function (n, df1, df2, ncp1 = 0, ncp2=0)
{
if (ncp1 == 0 && ncp2==0)
.Internal(rf(n, df1, df2))
else if (ncp2==0)
(rchisq(n, df1, ncp = ncp1)/df1)/(rchisq(n, df2)/df2)
else (rchisq(n, df1, ncp = ncp1)/df1)/(rchisq(n, df2, ncp=ncp2)/df2)
}
which incorporated both singly and doubly noncentral F...