Partitioned raid and major number

2 messages, 2 authors, 2004-02-25 · open the first message on its own page

Partitioned raid and major number

From: Miquel van Smoorenburg <hidden>
Date: 2004-02-25 14:56:26

Hello,

	I see that Linus merged partitioned raid into bitkeeper.
The major number of partitioned raid devices is allocated dynamically.

I want to set up a server with 2 disks in RAID1 mode, partitioned.
To be able to boot from it, the RAID1 device needs to have a fixed
major number (I don't want to be forced to use an initrd). Is it
planned to ask LANANA for a fixed major number? If not, would a
patch to pass the major number on the kernel command line be accepted ?

Thanks,

Mike.

Re: Partitioned raid and major number

From: hpa@zytor.com (H. Peter Anvin)
Date: 2004-02-25 18:46:31

Followup to:  [off-list ref]
By author:    Miquel van Smoorenburg [off-list ref]
In newsgroup: linux.dev.raid
Hello,

	I see that Linus merged partitioned raid into bitkeeper.
The major number of partitioned raid devices is allocated dynamically.

I want to set up a server with 2 disks in RAID1 mode, partitioned.
To be able to boot from it, the RAID1 device needs to have a fixed
major number (I don't want to be forced to use an initrd). Is it
planned to ask LANANA for a fixed major number? If not, would a
patch to pass the major number on the kernel command line be accepted ?
Please ask [off-list ref] for a device number.  Make sure to
specify if it's 2.6-specific (and hence will be assigned a number
above 255) or not.

	-hpa
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