Hi,
On Sun, 22 Apr 2007, William L. Maltby wrote:
On Sun, 2007-04-22 at 21:40 +0300, Pekka Savola wrote:
Hi,
I did a command-line upgrade of a RHL73 server to Centos 5. It was a
bit rocky road, but in the end it was successful.
There's one thing that bugged me. I'm using software RAID1 consisting
of /dev/hd{a,c}. No LVM or anything fancy, a number of /dev/mdX
partitions, including the root (+/boot).
I'd have preferred to continue using lilo as it works more easily with
RAID1 root/boot setups. The deployment guide for Centos5 claims to
support RAID1 boot partitions (RHEL4 didn't, and provided a pointer a
site in UK which no longer works for more info), it's not clear how
exactly a redundant boot block configuraton is achieved with that --
so that if you remove the primary drive, it'll still boot.
Anyone have pointers for this?
[I've gone through a number of sites with various hacks how to install
grub on both disks, but I'm not quite sure which ones are valid, and
whether those are needed anymore]
This has been touched on several times in the CentOS mailings. Did you
also search CentOS? If not, ISTR that there are answers there. For grub,
of course.
<snip>
Yes, though apparently the 'Search' button on the frong page doesn't
search mailing lists, it probably should.
Yes, I've done extensive searching. The problem is that there are
something like 3-4 ways to achieve the desired end results and those
ways apply to various versions of grub.
It's not obvious to me which approach is "The Way" for Centos/RHEL5
(preferably tested and working; if it doesn't work, a bug should be
filed). Some mailings seem to hint that it should 'just work' with
Centos5 due to changes in Grub, all those postings happened before
Centos5/RHEL5 was even released.
For the record, here are IMHO the best links were:
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=160563
http://lists.centos.org/pipermail/centos/2005-May/046668.html
http://forums.fedoraforum.org/showthread.php?t=49266 (more detail)
--
Pekka Savola "You each name yourselves king, yet the
Netcore Oy kingdom bleeds."
Systems. Networks. Security. -- George R.R. Martin: A Clash of Kings
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