> -----Original Message----- > From: centos-bounces at centos.org > [mailto:centos-bounces at 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 ______________________________________________________________________ This e-mail, and any attachments thereto, is intended only for use by the addressee(s) named herein and may contain legally privileged and/or confidential information. If you are not the intended recipient of this e-mail, you are hereby notified that any dissemination, distribution or copying of this e-mail, and any attachments thereto, is strictly prohibited. If you have received this e-mail in error, please immediately notify the sender and permanently delete the original and any copy or printout thereof.