2011/6/8 <[email protected]>:
> 1. Daca Dom0 este debian squeeze/grub2 pot instala DomU debian
> squeeze? fara pygrub, modul old fashion (pachetul by default de xen
> pentru debian 6 este xen4.0 nu xen4.0.1 banuiesc ca trebuie sa
> instalez 4.0.1 ca nu sa nu am probleme cu grub2-ul)
Despre ce pachet xen4.x vorbesti?
uname -a
Linux xen1 2.6.32-5-xen-amd64 #1 SMP Tue Mar 8 00:01:30 UTC 2011
x86_64 GNU/Linux
dpkg -l *xen*
ii libxenstore3.0 4.0.1-2
Xenstore communications library for Xen
un linux-image-2.6-xen-amd64 <none>
(no description available)
ii linux-image-2.6.32-5-xen-amd64 2.6.32-34squeeze1
Linux 2.6.32 for 64-bit PCs, Xen dom0 support
un linux-modules-2.6.32-5-xen-amd64 <none>
(no description available)
un xen-docs-4.0 <none>
(no description available)
un xen-hypervisor <none>
(no description available)
un xen-hypervisor-4.0 <none>
(no description available)
ii xen-hypervisor-4.0-amd64 4.0.1-2
The Xen Hypervisor on AMD64
un xen-hypervisor-amd64 <none>
(no description available)
un xen-hypervisor-i386 <none>
(no description available)
un xen-hypervisor-i386-pae <none>
(no description available)
un xen-linux-system <none>
(no description available)
un xen-linux-system-2.6 <none>
(no description available)
ii xen-linux-system-2.6-xen-amd64 2.6.32+29
Xen system with Linux 2.6 for 64-bit PCs
(meta-package)
ii xen-linux-system-2.6.32-5-xen-amd64 2.6.32-34squeeze1
Xen system with Linux 2.6.32 on 64-bit PCs
(meta-package)
un xen-shell <none>
(no description available)
ii xen-tools 4.2-1
Tools to manage Xen virtual servers
un xen-utils <none>
(no description available)
ii xen-utils-4.0 4.0.1-2
XEN administrative tools
ii xen-utils-common 4.0.0-1
XEN administrative tools - common files
ii xenstore-utils 4.0.1-2
Xenstore utilities for Xen
ii xenwatch 0.5.4-2
Virtualization utilities, mostly for Xen
Daca folosesti xen-create-image o sa incarci domU tot cu
kernel+ramdisk, in cazul in care nu fortezi --pygrub. Ai ambele
variante.
> 2. Pierd din performante cu pygrub? care sunt
> avantajele/dezavantajele majore daca folosesc pygrub in loc de
> paravirtualizare normala.
Cum au zis si ceilalti, in afara de o mica penalizare la viteza de
incarcare a domU nu e nici o problema. Oricum squeeze se incarca
foarte repede, mult mai repede decat RHEL/CentOS 5, deci se
compenseaza.
--
Adi Pircalabu
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