Re: IDE RAID on 2.6?

greenforce · 发表于 2003-10-25 09:51:53

>> I don't see any IDE RAID options on the 2.6 kernels. Are these no
>> longer supported? Are there any plans to support them?

>the plans are to move this into the Device Mapper layer via userspace tools

2.6-test7 以后会有吗？不是从7以后已经“定型”了吗？

Dragonfly · 发表于 2003-10-25 10:07:40

yes, i also knew this from raid mailing list that they suggest use device mapper

so no support any more

greenforce · 发表于 2003-10-25 14:09:08

什么意思?什么是 Device Mapper layer ??
这个 via userspace tools 又是什么?

Dragonfly · 发表于 2003-10-28 02:54:27

LVM2 is a userspace volume
management software.  LVM2 needs a kernel driver called device-mapper
to provide virtual disks/partitions.

LVM2 reads and writes metadata to real disks and uses the device-mapper
to present virtual disks/partitions to the user.  A partition created
with device-mapper is defined from ranges of sectors.  Each range is
mapped to one or many real disks through a mapping.  Possible mappings
include linear, striping, mirror, snapshot...

felix · 发表于 2003-11-3 14:11:31

Dragonfly:
能说明一下怎样才能让2.6内核（从2.4.X升级）支持LVM吗？？？急
谢谢Dragonfly！！！

dsxl · 发表于 2003-11-4 09:17:41

帮楼上的顶一下，我也遇到过同样的问题，没解决

Dragonfly · 发表于 2003-11-5 23:26:32

as far as i know, 2.6 kernel has LVM2 while 2.4 kernel has LVM1. so just like the module-init-tool. u need to download new LVM tools to support it. have u tried this? if u can get it work, then fine. if not, i will try to see if i can get some time this weekend to test it.

Dragonfly · 发表于 2003-11-6 06:53:24

today my boss did not bother me. so i get some time to try this. not so difficult as i assumed.

. anyway i wrote this

http://www.linuxfans.org/nuke/modules.php?name=Forums&file=viewtopic&t=43925

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