Mailinglist Archive: opensuse-kernel (123 mails)

[Rob OpenSuSE <rob.opensuse.linux@xxxxxxxxx>]

On 13 July 2011 09:17, Ismail Doenmez <idoenmez@xxxxxxx> wrote:
> On 07/13/2011 10:16 AM, Marcus Meissner wrote:
> > It is disabled because otherwise your harddisk will fill up overtime
> > uncontrollably.
> >
> > There now is work on zypp to allow automatic deinstallation of older
> > kernels
> > when this option is enabled as far as I know.
>
> Hmm my problem is it removes _running_ kernel, it should be leaving at least
> one old kernel around, isn't that whats expected?

I frequently install a second kernel, to provide a safe fallback.  The
disk space argument was said in SuSE days when online kernel update
was first introduced, despite the
install proposals of day discouraging disk partitioning, beyond swap
space.  Since with Online Kernel Update, I've actually lost system &
had to repair it with Live CD & rpm, because at one time, it did not
even check it could write in /boot, so you'ld have /lib/modules
updated but not  vmlinuz & initrd.

Neat way to handle this, is to schedule a cron daily batch job to
remove the previous kernel once the new has booted and is running, you
know exactly which package you're updating and what kernel version
SHOULD have succeeded.  Disk space could be reserved by creating files
with dd(1) filled from /dev/zero in  /boot & /lib.

Still remember fondly some old SuSE releases which provided, new and
tried & tested kernel choices as a fallback in case of boot problems
with the latest & greatest.

Regards Rob
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