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HPE Smart HBA H241 showing duplicate drives

Hi,

I Cannot seem to get my installation working with HBA mode, on installation complete it shows al the disk drives with a disk prepare failure.
When i SSH into one of the machines and execute fdisk -l it shows duplicate disk drives beginning with /dev/mapper/mpath (in the web interface it has for example sdb and sdc with the same serial number), also when i try to manually add the disk drives it just doesn't work. Does anyone have had this problem before or knows how to solve?

I tried to manually remove the /dev/mapper paths and used the following commands:
wipefs --all /dev/sdXX
dd if=/dev/zero of=/dev/sdXX bs=1M count=20 oflag=direct,dsync

Kind regards

Could be old lvm volumes that present on the disk(s)

Use regular lvm commands to delete old/unused lvm volumes

If these disks were used on FreeBSD or FreeNAS, it could be better to zero the first and last 1G Bytes on the disk

Thanks for your reply! I think i found the problem, we have a DL360 Gen9 connected to a D3700 storage enclosure but we connected P1 on IO A & B so it has dual port connection. Isn't this supported in PetaSAN? I now have a single cable from the H241 to the D3700 and it comes up with single drives.