Bug#611632: Bug#610421: mdadm: mdadm-raid init-script should depend on hostname

[martin f krafft]

also sprach Mario 'BitKoenig' Holbe <Mario.Holbe at TU-Ilmenau.DE> [2011.01.31.1636 +0100]:
> How can halt, kexec or reboot? ;)

All of these get loaded to RAM before init(8) starts the shutdown
process.

> Of course you know umountroot doesn't (yet) really umount the root
> filesystem.

Fact is that it's not possible to stop all RAID arrays (see the FAQ)
while they are being used, even by a read-only rootfs, unless …

> 2. umountroot once establishing a way to really umount root (like
> installing a stopramfs or something like that).

Yes, this would be the logical way. However, I doubt there will be
enough motivation to work on this, because …

> 1. md once allowing setting read-only when the upper layer
> restricts itself to read-only.

at least for mdadm, the kernel synchronises the superblocks just
before reboot, so that the shutdown process is ugly, but no data is
endangered.

Cheers,

-- 
 .''`.   martin f. krafft <madduck at d.o>      Related projects:
: :'  :  proud Debian developer               http://debiansystem.info
`. `'`   http://people.debian.org/~madduck    http://vcs-pkg.org
  `-  Debian - when you have better things to do than fixing systems
 
"the problem with america is stupidity. i'm not saying there should
 be a capital punishment for stupidity, but why don't we just take
 the safety labels off of everything and let the problem solve
 itself?"
                                                        -- seen on irc
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