我在 6 个硬盘上有一个 mdadm RAID 5。
每一秒，我都会在硬盘驱动器上听到相同的噪音模式，就像你在上面读/写一些东西，但没有任何操作......
突袭是干净的，没有进程在其上写入（日志或类似的东西。）
我试过
root@pandaria:/# mdadm -D /dev/md0
/dev/md0:
Version : 1.2
Creation Time : Tue Sep 21 13:52:55 2021
Raid Level : raid5
Array Size : 39069470720 (37259.55 GiB 40007.14 GB)
Used Dev Size : 7813894144 (7451.91 GiB 8001.43 GB)
Raid Devices : 6
Total Devices : 6
Persistence : Superblock is persistent
Intent Bitmap : Internal
Update Time : Sat Oct 2 20:06:32 2021
State : clean
Active Devices : 6
Working Devices : 6
Failed Devices : 0
Spare Devices : 0
Layout : left-symmetric
Chunk Size : 512K
Consistency Policy : bitmap
Name : ubuntu-server:0
UUID : 043182bc:857ef2ce:d2251586:88cb5e32
Events : 73301
Number Major Minor RaidDevice State
0 8 0 0 active sync /dev/sda
1 8 16 1 active sync /dev/sdb
2 8 32 2 active sync /dev/sdc
4 8 48 3 active sync /dev/sdd
6 8 80 4 active sync /dev/sdf
5 8 64 5 active sync /dev/sde
root@pandaria:/# cat /proc/mdstat
Personalities : [raid6] [raid5] [raid4] [linear] [multipath] [raid0] [raid1] [raid10]
md0 : active raid5 sdd[4] sda[0] sdc[2] sdf[6] sdb[1] sde[5]
39069470720 blocks super 1.2 level 5, 512k chunk, algorithm 2 [6/6] [UUUUUU]
bitmap: 2/59 pages [8KB], 65536KB chunk
unused devices: <none>
任何想法为什么硬盘驱动器正在读/写？