• http://rzr.online.fr/q/lsproduo# Entry point
• http://rzr.online.fr/q/linkstation# buffaloTech.com : LS-WTGL/R1 (3) original FirmWare
• http://rzr.online.fr/q/armv5# News: support DebIan check for LinkStation

• https://serverfault.com/questions/481774/degradedarray-event-on-dev-md1

• https://medium.com/@sandrodz/a-degradedarray-event-had-been-detected-3d19c5257fa6

cat /proc/mdstat 
Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] 
md7 : active (auto-read-only) raid1 sdc7[1]
      937546752 blocks super 1.2 [2/1] [_U]
      bitmap: 0/7 pages [0KB], 65536KB chunk

md6 : active (auto-read-only) raid1 sdc6[3]
      4317184 blocks super 1.2 [2/1] [_U]

• https://raid.wiki.kernel.org/index.php/RAID_setup
• http://forum.buffalo.nas-central.org/viewtopic.php?f=4&t=22993&p=142629&hilit=mdadm#p142629
• http://stephane.lesimple.fr/blog/2011-03-22/how-to-securely-keep-a-hard-drive-with-bad-blocks-in-a-raid-array.html# BadBlocks
• http://smartmontools.sourceforge.net/badblockhowto.html# SmarT
• http://unix.stackexchange.com/questions/42277/linux-repairing-bad-blocks-on-a-raid1-array-with-gpt
• https://www.howtoforge.com/replacing_hard_disks_in_a_raid1_array
• https://stephane.lesimple.fr/blog/2011-03-22/how-to-securely-keep-a-hard-drive-with-bad-blocks-in-a-raid-array.html

mount: unknown filesystem type 'linux_raid_member'