Lenovo ThinkAgile CP Hardware Part Replacement And Component Maintenance Procedures page 69

To view detailed information about the status of the RAID array, use the following command:
# # m m d d a a d d m m - - - - d d e e t t a a i i l l / / d d e e v v / / m m d d / / m m d d 5 5
Following is an example output:
/dev/md/md5:
Version : 1.2
Creation Time : Mon Aug 20 11:03:31 2018
Raid Level : raid5
Array Size : 4657379328 (4441.62 GiB 4769.16 GB)
Used Dev Size : 776229888 (740.27 GiB 794.86 GB)
Raid Devices : 7
Total Devices : 8
Persistence : Superblock is persistent
Intent Bitmap : Internal
Update Time : Mon Aug 20 15:27:26 2018
State : clean
Active Devices : 7
Working Devices : 8
Failed Devices : 0
Spare Devices : 1
Layout : left-symmetric
Chunk Size : 16K
Consistency Policy : bitmap
Name : any:md5
UUID : 5f7b873c:16d6d418:7b5f6fde:247566a7
Events : 749
Number Major Minor RaidDevice State
0 253 0
1 253 1
2 253 2
7 253 7
4 253 4
5 253 5
6 253 6
8 253 3
The new drive is now added to the RAID array as a spare device.
The installation of a new hot-swap drive is now complete.
0 active sync /dev/dm-0
1 active sync /dev/dm-1
2 active sync /dev/dm-2
3 active sync /dev/dm-7
4 active sync /dev/dm-4
5 active sync /dev/dm-5
6 active sync /dev/dm-6
- spare /dev/dm-3
.
Chapter 5 Part replacement and maintenance procedures
61