Re: SATA disk reordering problem



John-Paul Stewart wrote:

Mark Mackey wrote:

I've recently taken charge of a new server. It's got 6 SATA disks
attached to the motherboard, and another one attached to an Adaptec
AAR-1210SA SATA HostRAID Controller. The Adaptec card has its BIOS
turned off so is just acting as a JBOD disk controller.

I'm having issues on reboot. Some of the time the motherboard's SATA
controller seems to be found first, so the disks on the motherboard get
assigned sda to sdf and the disk on the Adaptec gets assigned sdg.
However, as often as not the Adaptec gets recognised first and so its
disk gets sda and the disks on the motherboard get sdb to sdg. As a
result it's complete pot luck as to whether the boot disk is going to be
sda or sdb.

Is there any way to force the assignment?


I'm not sure at what level you are running into problems with this but you might want to use partition labels and use those labels in /etc/fstab instead of the device names.

.

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