Re: [gentoo-amd64] Re: reinstall grub after an emerge?

[Mark Knecht]

On Wed, May 20, 2009 at 8:11 PM, Barry Schwartz
<chemoelectric@×××××××××××××.org> wrote:
> Mark Knecht <markknecht@×××××.com> skribis:
>> And tonight's install seems to make this more important that I can remember:
>>
>> * *** IMPORTANT NOTE: you must run grub and install
>>  * the new version's stage1 to your MBR.  Until you do,
>>  * stage1 and stage2 will still be the old version, but
>>  * later stages will be the new version, which could
>>  * cause problems such as an unbootable system.
>>  * This means you must use either grub-install or perform
>>  * root/setup manually! For more help, see the handbook:
>>  * http://www.gentoo.org/doc/en/handbook/handbook-amd64.xml?part=1&chap=10#grub-install-auto
>>
>> The link implies I just run
>>
>> grub-install --no-floppy /dev/sda
>
> I think that's right, assuming /dev/sda is the boot drive (not
> necessarily the same as the one on which your /boot directory
> exists!).
>
> If you haven't made sure that the stages matched the rest of grub in
> the past, I'd suggest being very careful in setting it up, but do it,
> and then perhaps not upgrading grub again unless there is a very good
> reason. The stable grub series is about the last thing for which
> upgrading makes a difference, I would think.
>
> I did that for a few years, but now instead I keep DONT_MOUNT_BOOT=1
> in my make.conf so that grub doesn't actually affect my boot process
> unless and until I want it to.

I ran the command and got no complaints. I rebooted both Linux and
windows successfully so I guess everything is OK.

I agree that it's not a package that is likely to make much of a
difference in the performance of my machine, once it's booted, and if
it boots then why upgrade.

I'm going to throw in a package mask unless I here a really good reason not to.

Thanks for the response.

Cheers,
Mark