[DC LoCo] Upgrade from 10.10 -> 11.04 took two days to recover from

[Robert Simmons]

Haha.  That's absolutely true.  That can be avoided by having a second
server with the same set of hardware (you can skimp on memory,
processor, and hard drive size) that you perform a test upgrade on
before you try it on your production server.  This of course adds to
the cost of running the server, but would allow you to run into the
driver bug in a harmless environment.

On Sun, May 29, 2011 at 9:29 AM, Ken Stailey <kstailey at yahoo.com> wrote:
> How would a fresh rebuild be any better?  I'd still be stuck with a system that won't boot from my disk configuration due to a driver bug.
>
> As-is it turned out having my complete system installed but unbootable enabled me to me be recover by using it as a chroot environment.
>
>
> --- On Sat, 5/28/11, N.C. Weber <ncweber00 at earthlink.net> wrote:
>
>> From: N.C. Weber <ncweber00 at earthlink.net>
>> Subject: Re: [DC LoCo] Upgrade from 10.10 -> 11.04 took two days to recover from
>> To: "Ubuntu DC LoCo Team" <ubuntu-us-dc at lists.ubuntu.com>
>> Date: Saturday, May 28, 2011, 9:57 AM
>> I think it's things like that is the
>> reason Mint doesn't allow OS version upgrades. They want you
>> to back-up you home folder and do a fresh install.
>> Personally, I doubt I would put with that nonsense from
>> Mint.
>> Sent from my BlackBerry® smartphone with SprintSpeed
>>
>> -----Original Message-----
>> From: Ken Stailey <kstailey at yahoo.com>
>> Sender: ubuntu-us-dc-bounces at lists.ubuntu.com
>> Date: Sat, 28 May 2011 06:24:04
>> To: <ubuntu-us-dc at lists.ubuntu.com>
>> Subject: [DC LoCo] Upgrade from 10.10 -> 11.04 took two
>> days to recover from
>>
>> I built 10.10 with LVM on DMRAID because GRUB2 lets you
>> boot from that without any /boot filesystems.
>>
>> I upgraded to 11.04 and *kaboom*
>>
>> Eventually I found LP: #770600
>> "22_add_pdc_64bit_addressing.patch: breaks some pdc raid
>> sets"
>>
>> I installed the PPA with the newer version of DMRAID while
>> in a chroot booted of a Gentoo amd64 stage1.  Had to
>> remember how to
>>
>> dmraid -ay
>> pvchange -xy /dev/mapper/pdc_xxxxxxxxxx1
>> vgchange -ay
>> mount /dev/vg0/lv0 /a
>> mount -t proc proc /a/proc
>> mount -o bind /dev /a/dev
>> mount -t devpts devpts /a/dev/pts
>> mount -o bind /sys /a/sys
>> chroot /a
>>
>> etc. to activate the PDC DMRAID RAID1 ("fakeraid") and
>> mount it get into the chroot.
>>
>> A minor additional glitch was that a symlink from /etc/dhcp
>> -> dhcp3 crapped out the installation of samba (which I
>> don't use but ubuntu-desktop insists on.)  Once that
>> symlink was removed the packages installed.
>>
>>
>>
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