36
votes
Accepted
What's the difference between motherboard and chassis?
Chassis
The chassis, also often called the "case", is the container or enclosure that holds all of the other pieces of a computer. It might include some switches, fans, and indicator lights. Desktops ...
- 1,904
16
votes
Accepted
RAID 6 array, one disk rebuilding?
Disks can experience temporary failures that cause them to drop out of the array but can be corrected by a system reboot or controller reset. This might really be a one-off error but I would follow up ...
- 881
11
votes
Accepted
Supermicro Server fails to boot from NVMe SSD
I have found a solution to this problem. It turns out that it is not possible to boot from NVMe in BIOS mode. Only UEFI is supported. However, my install disk was booted in BIOS mode, so the installer ...
- 271
10
votes
Accepted
Supermicro IPMIView KVM Console does not work at all
Better answer and complete solution. The problem was the firmware for the IPMI on these boards was too old (not the same as the BIOS - updating the BIOS will not help in this case).
Digging around ...
- 301
9
votes
Preseed automatic partitioning
Special notes
It wasn't mentioned whether there is bios_grub, ESP, GPT or MBR, or which method the firmware uses. When using GPT, you need one or the other (or both). So what will happen is the ...
- 2,816
7
votes
Accepted
Supermicro X9SCD won't enter BIOS (error code: AB)
Based on user discussions in a thread by Webjunkie in the ServeTheHome Forums it appears that there is a date dependent bug that causes this behavior on some of the Supermicro X9 boards:
It seems ...
- 35.5k
6
votes
What's the difference between motherboard and chassis?
The chassis is the unit that houses the motherboard and other internal components.
The motherboard is the... motherboard. It goes in the chassis.
- 111k
6
votes
How does hardware RAID handle firmware updates for the underlying drives?
The NVMe standard specifies a firmware update process. Any NVMe device supporting that process can be updated by a standard routine located in the RAID controller's firmware. The update can be ...
- 11.7k
6
votes
How is Hardware RAID for NVME drives configured on SuperMicro?
Manual (available on the "Resources" page under your link) states there is a SATA RAID. I strongly suspect that is so called "fake" RAID, e.g. not a true hardware RAID. There is no ...
- 12.6k
5
votes
Identify Disks on SuperMicro server running FreeBSD
I know this is an old question, but for the searchers hitting this, on FreeBSD >= 10.3, you can use sesutil locate da2 on to turn on da2's LED provided it is in an enclosure that provides a /dev/sesN ...
- 151
5
votes
Configuring SuperMicro IPMI to use one of the LAN interfaces instead of the IPMI port?
You can also use ipmitool to set the lanport:
sudo ipmiutil smcoem lanport dedicated
Then check that your config is right:
sudo ipmiutil lan -e
You should see the line:
SuperMicro Lan Interface :...
- 51
5
votes
How to use 12 HDDs with the Supermicro BPN-SAS3-826EL1 backplane?
If you have the -EL1 backplane, you should be able to see all 12 drives, even with a single cable from the RAID card to the expander backplane. If you don't, something's wrong with the backplane or ...
5
votes
How is Hardware RAID for NVME drives configured on SuperMicro?
Try following the steps outlined here. In short:
press DEL during boot to enter BIOS
go to Advanced > Chipset Configuration > North Bridge > IIO Configuration > Intel VMD Technology
set ...
- 50.7k
4
votes
Supermicro IPMI KVM: connection failed
For some reason any version of the IPMIView doesn't work with IPMI firmwares >= 3.32, including the last IPMIView one. You have to use the browser launching their Java plugin from a web-interface, and ...
- 8,759
4
votes
How do I get the power consumption of a Supermicro server on the CLI?
You can also just:
ipmitool dcmi power reading
- 41
4
votes
Cannot boot server after power failure
After rapidly switch on off the psu in furious rage, the server finally boots.
4
votes
Disable hardware RAID controller
You can't configure disks connected to the SAS controller in the BIOS. During system startup, there should appear a prompt for a different setup system (Ctrl+H if I remember correctly). https://www....
- 99.6k
4
votes
What is ME region in BIOS
BIOS ME stands for "BIOS Management Engine". You want to have that option unchecked when upgrading your BIOS.
You haven't specified what board you have, but for my X9SCL-F, I had a problem when ...
- 343
4
votes
Is it safe to set RAM frequency beyond Intel's POR?
Is there potentially (and practically) any reliability issue regarding this setting?
Yes, you're more likely to have memory stability issues if you run your memory system (memory controller on CPU, ...
- 102k
4
votes
Accepted
Does exist SFF-8087 adapters to PCIe?
As far as I know, SFF-8087 is a connector used for SAS exclusively. You cannot "adapt" it to PCIe because the SFF-8087 port on your motherboard literally does not go to PCIe lanes directly – ...
- 11.4k
3
votes
SAS Expander backplane performance drops when more than 8 drives are active?
SAS expanders do not (as of this writing) "store and forward" like an Ethernet switch would. They can only go as fast as the slowest signaling device in the array.
In this case, your drives only ...
- 31
3
votes
How to find out the exact IPMI unit you have for firmware upgrade?
I was able to find it right in the boot log/dmesg.
Then simply look for that hardware name on the supermicro firmware page!
- 187
3
votes
Accessing Supermicro IPMI via SSH
Say I wish to use server A to reach the IPMI interface of server B, then this works for me:
ipmitool -H 10.0.0.2 -U user -Ppassword chassis power cycle
- 31
3
votes
Supermicro IPMI and Windows Share
On my SMT-based IPMI 2.0, which is a rather old generation, a ISO-image won't mount no matter what. I had success via Java-console, which also allows mounting images.
- 296
3
votes
Accepted
enabling virtualization on supermicro board
Besides turning VT on in BIOS, you need to perform a full power cycle - shut the host down completely, maybe even pull out the power cables and hold down the power button for a few seconds, and then ...
- 18.9k
3
votes
Accepted
Disable hardware RAID controller
Its not possible to disable or bypass this RAID, but you can configure each drive as separate JBOD/RAID0 array.
Easiest is to go to MegaRaid Cli (CRTL+Y before boot).
There you just run this command:
-...
- 126
3
votes
Supermicro IPMIView KVM Console does not work at all
These old IPMI are problematic. What I do is:
Set-UP a VM with Windows 7
Install Java 6: https://www.oracle.com/java/technologies/oracle-java-archive-downloads.html
Use Internet Explorer default in ...
- 41
3
votes
Accepted
Supermicro SYS-5019S-M and IPMI temperature threshold
Ok, after some time I obtained a definitive answer from SuperMicro. Quoting it:
System Temperature RT1 represents local inlet air temperature inside
the system and Peripheral Temperature RT2 ...
- 50.7k
3
votes
Accepted
Multliple core overload above 100% on Centos7 Supermicro Server
The culprit was indeed a faulty ram module. The anomalous spike in cpu usage appeared as the ram error started to pop up in the logs. the module has been identified and replaced, and the problem is ...
- 51
3
votes
Accepted
Preseed automatic partitioning
TL;DR:
The wrong image was mounted. Thanks to @Peter for pointing me that way.
The long story:
After Peters comment I rechecked my whole iso build pipeline, the .seed files, the isolinux txt.cfg, ...
- 25k
Only top scored, non community-wiki answers of a minimum length are eligible