How to find out the problem with the Raid controller on the server?

Question

Iron

We have a SuperMicro server with 8 disks (4 sac, 2 ssd, 2 hdd), raid controller lsi raid 2108.
The program for the raid controller mega raid storage manager showed an error:
1. 267 [Warning, 1] 2016-12-28, 01:11:31 Controller ID: 0 Command timeout on PD: PD = -:-:3-No addtional sense information, CDB = 0x8a 0x00 0x00 0x00 0x00 0x00 0x6e 0xcc 0x92 0x00 0x00 0x00 0x00 0x10 0x00 0x00, Sense = null, Path = 0x4433221103000000 3361
2. 268 [Warning, 1] 2016-12-28, 01:11:29 Controller ID: 0 PD Reset: PD = -:-:3, Error = 3, Path = 0x4433221103000000
3355
1. Controller ID: 0 PD Reset: PD = -:-:3, Critical = 3, Path = 0x4433221103000000.
2. Controller ID: 0 Command timeout on PD: PD = -:-:3No addtional sense information, CDB = 0x8a 0x00 0x00 0x00 0x00 0x01 0x34 0x0c 0xac 0x00 0x00 0x00 0x00 0x80 0x00 0x00 , Sense = , Path =
0x4433221103000000.
В чем может проблема, что делать?
Спасибо.

Answer 1

Perhaps in the compatibility of the controller with the disks or in the failure of one of the disks.
Need more information. Perhaps the smart disk "PD = -:-:3" will show something.
Those two hdds are not from the desktop line by any chance?

Answer 2

https://codepen.io/DNLHC/pen/aWejyE?editors=1100
instead of image pseudo-elements

Answer 3

Is it always a square? If not, how are the elements positioned?
In general, transform is in your hands.

Answer 4

By analogy do