6

md2_raid1 takes HDD IO up to 99 %

view full story
linux-howto

http://serverfault.com – Iotop tool reports md2_raid1 takes HDD IO up to 99 %. The server's HDD becomes busy and it's impossible to do any operation on it. Here is the output of cat /proc/mdstat Personalities : [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md2 : active raid1 sda3[0] sdb3[1] 1462766336 blocks [2/2] [UU] md1 : active raid1 sda2[0] sdb2[1] 264960 blocks [2/2] [UU] md0 : active raid1 sda1[0] sdb1[1] 2102464 blocks [2/2] [UU] unused devices: (HowTos)