Solaris

I have a problems with install Linux on Solaris with BrandZ.
I'm read this docs - BrandZ Installation at OpenSolaris.org
Also i have x86 PC with OpenSolaris Express Community Edition Build 78.

1) I don't have service svc:/system/filesystem/volfs:default and svcs -a | grep volfs don't find nothing. but in docs example this service is present How i can install this service ?
2) In docs :
RHEL 3.x very old , i can something install RHEL 4.x ?

You don't need to. It has been replaced by HAL.
Yes, with the experimental 2.6 kernel support:
BrandZ: Linux 2.6 Support at OpenSolaris.org

BrandZ work only with
2.4 - RHEL 3.x / Centos 3.x
- tarball
- media cdrom
- iso
2.6 - Centos 4.x/ Centos 5.0 / Ubuntu 7.x
- only from tar.bz.

Code:

cd /
tar -jcf centos5.tar.bz --exclude centos5.tar.bz --exclude dev --exclude proc --exclude sys --exclude boot *

=\

I have only RHEL 4.x and RHEL 5.x and Ubuntu 7.10. But if for first ISO BrandZ don't work, for Ubuntu install process is very hard IMHO.

Anybody tell me your imho about BrandZ today and maybe feature ?

Centos 5 is a RHEL 5 clone.
I don't understand your last question.

Ok, i'm try