Intel S4500 디스크를 사용하고 있습니다. LSI3008-IR Controller 와 함께 사용하고 있습니다. LSI3008-IR controller에 S4500 1.9TB를 RAID 1 or 1+0 으로 사용하고 있습니다. 사용 중 Write 에 문제가 발생하였습니다. 52.2 MB/s 로 성능이 1/10로 느려지는 상황이 발생 하였습니다. 해결 방안을 부탁 드립니다.

[JosafathB_Intel]

Hello, sunswat, Thank you for your reply. As mentioned in our previous post; In order to further assist you and to discard any hardware issue related to your SSD, we will appreciate if you can provide us with the SSU logs and the SMART logs extracted from your Intel® SSD DC S4500 Series. This to have a better understanding of your PC and the SSD status. We will be looking forward to your reply including this information. Best regards, Josh B. Intel Customer Support Technician Under Contract to Intel Corporation

[sunswat]

Thanks for the answer.

Korea and the United States have a time difference and can only respond once a day.

Please request the necessary data at once.

We are using CentOS 7.

We will attach the requested contents to the attached file.

[JosafathB_Intel]

Hello, sunswat, Thank you for your reply. Based on the logs provided the SSDs seem to be working as expected and no SMART errors or alerts were found in our Intel® SSD DC S4500 Series hardware. In order to get further information about the environment that this SSD is been used. We will appreciate if you can provide us with the SSU logs extracted from your PC. • The SSU logs. 1- Go to https://downloadcenter.intel.com/download/26735/ and download the software. 2- When finished downloading it, open it. 3- Attach the file obtained to your reply. We will be looking forward to your reply including this information. Best regards, Josh B. Intel Customer Support Technician Under Contract to Intel Corporation

[sunswat]

Thank you for your help.

We are currently using CentOS 7.6.

SSU.tar does not seem to be available in this version.

Is there anything that fits this version?

[sunswat]

One of the two mirrored disks is now forcibly removed for testing.

Please refer to it.