hdparm -i /dev/sdb
mdadm --detail --scan > /etc/mdadm/mdadm.conf
cat /proc/mdstat mdadm --readwrite /dev/md1
md1 : active (auto-read-only) raid1 sda2[0] sdc2[2] sdb2[1] 4888564 blocks super 1.2 [3/3] [UUU] resync=PENDING md0 : active raid1 sda1[0] sdc1[2] sdb1[1] 483493752 blocks super 1.2 [3/3] [UUU]
danach
md1 : active raid1 sda2[0] sdc2[2] sdb2[1] 4888564 blocks super 1.2 [3/3] [UUU] md0 : active raid1 sda1[0] sdc1[2] sdb1[1] 483493752 blocks super 1.2 [3/3] [UUU]
Hi, this is not a bug. Raid arrays marked as auto-read-only will automatically switch to read-write on first write. (http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=464560)
http://www.howtoforge.de/anleitung/software-raid1-auf-einem-laufenden-system-inkl-grub-konfiguration-debian-etch-einrichten/
http://debianforum.de/forum/viewtopic.php?f=12&t=138096
http://scotgate.org/?p=107
http://wiki.ubuntuusers.de/Software-RAID
http://wiki.hetzner.de/index.php/Festplattenaustausch_im_Software-RAID
https://www.tldhost.de/Anleitungen/Howto_Debian_Software_Raid_reparieren
http://www.stefanux.de/wiki/doku.php/server/raid
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http://zhigang.org/wiki/DHCP
http://www.network-builders.com/forcing-dhclient-use-255-255-255-255-a-t108511.html
http://forums.cacti.net/viewtopic.php?f=2&t=47122