hp proliant - Force PCIe SSD to be /dev/sdb on linux install

Is there any options to force the PCIe SSD during install to be not /dev/sda? I was hoping to reserve the SSD to be limited to be only /var but the grub loader fails each time when I try to set the bootable partition to be /dev/sdc2 (sdb is usb install drive).

I have been installing on Dell r610 and HP DL385 G6 servers using both CentOS 6.6 and Ubuntu 14 and the PCI device always shows up before the raid devices.

Answer

I wouldn't eff with udev rules for this. Modify your install scripts (preseed or kickstart) to ignore /dev/sda.

See: Consistent Install Disk Selection in RHEL Kickstart

Also, is there any way you can run a network install. USB installation of the OS is fraught because of SCSI enumeration issues.

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