mv hard drives with lvm/selinux ?
Justin Conover
justin.conover at gmail.com
Tue Apr 12 14:11:11 UTC 2005
On Apr 12, 2005 1:20 AM, Russell Coker <russell at coker.com.au> wrote:
> On Sunday 13 March 2005 02:07, Justin Conover <justin.conover at 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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