-----Original Message----- From: centos-bounces@centos.org [mailto:centos-bounces@centos.org] On Behalf Of Ruslan Sivak Sent: Friday, May 11, 2007 3:34 PM To: CentOS mailing list Subject: Re: [CentOS] Re: Anaconda doesn't support raid10
Ross S. W. Walker wrote:
I think if you setup the 4 disk raid1 at boot grub gets installed on each as part of the install process.
You'd only need to do it yourself if you put a new disk to replace a failed one, then just run grub-install on it.
-Ross
Why is this exactly? Does it have something to do with the boot sector or something? Doesn't the raid1 take care of mirroring everything on that partition (with the exception of the boot sector of the drive?)
Exactly, grub is installed on sector 0, the boot sector, and that sector isn't touched when a new drive is partitioned and thus not part of the mirrored data.
You may also have to mark the /boot partitions on each drive as bootable too, but grub may just ignore that flag... I can't remember.
-Ross
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