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Re: [RFC/PATCH 0/2] support for CMS-formatted disks on the s/390 archite
From: |
Jonathan Nieder |
Subject: |
Re: [RFC/PATCH 0/2] support for CMS-formatted disks on the s/390 architecture |
Date: |
Sat, 17 Apr 2010 16:38:10 -0500 |
User-agent: |
Mutt/1.5.20 (2009-06-14) |
Stephen Powell wrote:
> What I propose is four 1-cylinder minidisk
> images of a 3390 DASD device. They will be (a) a non-reserved
> CMS minidisk with no filesystem (mkfs or mkswap has never been run
> on the partition), (b) a non-reserved CMS minidisk with an ext3
> filesystem on it, (c) a reserved CMS minidisk with no filesystem,
> and (d) a reserved CMS minidisk with an ext3 filesystem. All
> minidisks will be formatted with a block size of 4096.
Yes, that would be great. There is no need to worry about the mkfs
step if you don’t want to (so A and C would be sufficient); I can
always add a filesystem myself as long as Linux is able to cope with
the image.
If it is convenient to make, an example with a different block size
would be nice, too.
>> The support is for reading only because that is what is most needed.
>> I don’t imagine there would be any major technical obstacles to
>> teaching parted to write these partitions, too.
>>
>> Thoughts?
>
> Yes, we really don't need disk reorganization tools on z/VM.
[...]
> All we really need is for parted to recognize the pre-existing
> partition on a CMS minidisk so that the Debian installer can make
> use of them.
Understood.
> See http://www.wowway.com/~zlinuxman/diag250.htm for
> an idea of the hoops we currently have to jump through to install
> Debian for s390 to CMS minidisks.
This whole field is unfamiliar to me. Thank you for the clear
explanations.
Jonathan
- Re: [RFC/PATCH 0/2] support for CMS-formatted disks on the s/390 architecture, (continued)
- Re: [RFC/PATCH 0/2] support for CMS-formatted disks on the s/390 architecture, Stephen Powell, 2010/04/17
- Re: [RFC/PATCH 0/2] support for CMS-formatted disks on the s/390 architecture, Jim Meyering, 2010/04/17
- Re: [RFC/PATCH 0/2] support for CMS-formatted disks on the s/390 architecture, Stephen Powell, 2010/04/19
- Re: [RFC/PATCH 0/2] support for CMS-formatted disks on the s/390 architecture, Jim Meyering, 2010/04/20
- Re: [RFC/PATCH 0/2] support for CMS-formatted disks on the s/390 architecture, Jim Meyering, 2010/04/21
- Re: [RFC/PATCH 0/2] support for CMS-formatted disks on the s/390 architecture, Stephen Powell, 2010/04/21
- Re: [RFC/PATCH 0/2] support for CMS-formatted disks on the s/390 architecture, Jim Meyering, 2010/04/21
- Re: [RFC/PATCH 0/2] support for CMS-formatted disks on the s/390 architecture, Stephen Powell, 2010/04/21
- Re: [RFC/PATCH 0/2] support for CMS-formatted disks on the s/390 architecture, Stephen Powell, 2010/04/21
Re: [RFC/PATCH 0/2] support for CMS-formatted disks on the s/390 architecture, Stephen Powell, 2010/04/17
- Re: [RFC/PATCH 0/2] support for CMS-formatted disks on the s/390 architecture,
Jonathan Nieder <=