RAID 1 hardware and ESXi - host not to see the virtual volume
Please bear with me as I try to explain this issue in detail.
I have an ESXi server. He has a number of virtual machines and works. This server has a LSI RAID controller and had a single hard drive connected to this controller. I'm allergic to non redundant drives, so I added a second drive and, from BIOS boot from the RAID controller (before initialization of the server itself), I created the mirror and had the controller 'rebuild' the second disc, copy of an image of the first record on. The controller did and displays a virtual (in BIOS) volume in a RAID 1 volume consisting of two physical disks.
At this point, I expect from any server OS to see the single volume. However, ESXi, at startup, see both drives hard physical (apparently without taking into account the supposed configuration of the controller, which is strange for me), and because they contain all the two identical copies of the ESXi installation, it purple-screens to complain about two identical UUID. When I work around this error with the start command line option 'overrideDuplicateImageDetection', ESXi starts on one of the two disks. vSphere shows the two disks and physical disks, mounted in the system.
I'm relatively certain that the RAID card maintains the mirror. The second disc is not part of a data store. I would prefer ESXi see the mirror as the only logical volume so-called offer the RAID card, but I'll settle for ESXi, ignoring the second unit of disk in total.
Any ideas?
Thanks in advance for your help,
H.
Hello
Some RAID controllers operating in RAID or RAID configuration. If no RAID is created, it will work like the generic SCSI cards and when a RAID is created then it will become an appropriate raid controllers. When you installed the ESXi map was probably operating in non RAID and later converted to a RAID controller mode. Please check the drivers loaded in the kernel of ESXi and if necessary, please include the RAID controller module and re build the boot image.
Is it possible to give me the model number of the LSI RAID you use and the output of the inscription of the kernel module. I think that these dual-mode controllers were possible on older models of server, not sure that they are always available. I used to see this kind of problems with Linux in ancient times.
Tags: VMware
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