Is there a reason you are not using the built in controller to RAID the SATADOMs? As I remember on SuperMicro there are two controllers. One for the SATADOMs and another for the conventional disks. Cameron On Fri, Apr 14, 2017 at 2:28 PM, David C. Miller <millerdc at fusion.gat.com> wrote: > I'm seeing a problem that I think maybe a bug with the mdraid software on > the latest CentOS installer. I have a couple of new supermicro servers and > each system has two innodisk 32GB SATADOM's that are experiencing the same > issue. I used the latest CentOS-7-x86_64-1611 to install to the two > SATADOM's a simple RAID1 for the root. The install goes just fine but when > I boot off the new install I see one of two behaviours. It either hangs at > boot, or boots fine but I start getting errors when using the system. For > example it will give me the following error if I try to run yum update. > > error: rpmdb: damaged header #6 retrieved -- skipping. > > It will just hang giving that error over and over. I have to use a > different login session to kill it or reboot. It doesn't even log anything > to journelctl or /var/log/messages. At first I thought either the hardware > was the issue(sata port, controller, SATADOM, etc). However, I do not see > any issues if I don't try to raid the disks. Setting either of the > SATADOM's up as a single system drive works just fine. It does not matter > if I choose xfs or ext4 for the filesystem when I try to RAID them either. > Making an md RAID1 out of the two disks with 7.3 installer is the only > combination I see this issue with. If I use the previous 7.2 > installer(CentOS-7-x86_64-1511) I don't see the problem at all. I can run > yum update, reboot, and everything is still ok. I should also point out > that I tested the CentOS 7.3 installer creating a md RAID1 system drive > using two regular spinning hard drives and that worked just fine. I was > wondering if anyone else has seen something similar or can confirm th > is problem before I submit it as a real bug.. > > TL/DR. Two different supermicro servers, both using innodisk 32GB > SATADOM's and latest CentOS 7.3 installer to create a RAID1 system results > in freezes and weird errors. Using the CentOS 7.2 installer works fine. > > David Miller. > _______________________________________________ > CentOS mailing list > CentOS at centos.org > https://lists.centos.org/mailman/listinfo/centos >