Re: Too many disks in system? (RAID5)

[Lennart Sorensen]

On Mon, Nov 28, 2005 at 11:25:58PM +0100, Lukas Hejtmanek wrote:
> Hello,
> 
> I have system with attached SATA array which contains 24 disks. I wanted to run
> software RAID 5, but 24 disks means, that I would need /dev/sda to /dev/sdx
> devices with major 8 and last minor 384. Minor seems to be limited to 8 bits.
> Is there any chance to run software array using all 24 disks?
> 
> My test was with mknod v. 5.2.1 and kernel 2.6.14.3

Major 8 is not the only scsi major.  Look at devices.txt in the kernel
Documentation dir.  MAKEDEV also usually knows how to make more scsi
devices.  For example major 65.  Just use MAKEDEV /dev/sdx and see what
it creates.

Len Sorensen
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