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Re: mv hard drives with lvm/selinux ?



On Apr 12, 2005 1:20 AM, Russell Coker <russell coker com au> wrote:
> On Sunday 13 March 2005 02:07, Justin Conover <justin conover gmail com>
> wrote:
> > This kind of brings up another question, if I create a raid 5 with 3
> > or 4 disk and have my system only one 1 disk, and that one disk blows
> > up.  Will it be easy to replace that disk and see the
> > raid5/lvm/selinux files?  Or should I take the caution and put my
> > system in a raid 1 too.
> 
> With some effort you can have grub boot from a RAID-1 (I won't try to explain
> how as I'm not an expert on booting, but it's something I've done before).
> 
> You may decide to use non-RAID for /boot.  After the kernel and the initrd
> have been loaded the initrd can setup RAID so you can have LVM on software
> RAID for the root file system (it's even supported in Anaconda).
> 
> For a serious machine there are two ways of doing it.  One is to have RAID for
> all file systems including the root file system.  The other option is to have
> a kickstart configuration that completely describes the configuration of the
> system so that the machine can easily be reinstalled at a moment's notice.
> 
> For an ideal server room you would have RAID on the system partitions and swap
> (so that a disk dying won't cause you to do any work at 3AM), RAID for data
> partitions (of course!), as well as having a dedicated server for kickstart
> that does DHCP and has NFS read-only shares containing every version of
> RHEL/Fedora that you run on your network.  To do this right the kickstart
> server would be configured to assign a particular IP address and config file
> to each machine based on it's MAC address so reinstalling any server could be
> done by merely booting from a kickstart device (either CD or USB dongle).
> 
> One thing I'm working on at the moment is a document on kickstart
> configuration for SE Linux.
> 
> --
> http://www.coker.com.au/selinux/   My NSA Security Enhanced Linux packages
> http://www.coker.com.au/bonnie++/  Bonnie++ hard drive benchmark
> http://www.coker.com.au/postal/    Postal SMTP/POP benchmark
> http://www.coker.com.au/~russell/  My home page
> 

Kickstart for SELInux would  be great :D

I did get the box up with 2x40GB drives fro /boot everything else
under /lvm with seperate slices in raid 1 and 4x160GB drives in a raid
5 for /home


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