One quick question, did you patch the 2.2.16 kernel with:
http://people.redhat.com/mingo/raid-patches/raid-2.2.16-A0 ?
Tamas.
On Tue, 11 Jul 2000, Robert Dale wrote:
>
> Hello.
>
> To start, I installed RedHat 6.1 with root on RAID1. /boot is non-RAID.
> It's using RedHat's 2.2.12-20 kernel which seems to have extra RAID stuff in it.
> RAID1 is actually built as a module so it loads an initrd that has only
> raid1.o, sh, and insmod in it.
>
> I tried to upgrade to 2.2.16 by building the proper RAID support but to no
> avail. Basically, it does not seem to autodetect the RAID devices. So, I read
> md.txt and it says I need to pass md=x,x,x,x,x but it doesn't work for RAID1.
> Well, I tried it anyway and it gets close but complains that the devices are
> not linear or striped. Well, duh.
>
> I'm left wondering why redhat's hacks to 2.2.12 have seemingly not made it into
> the kernel after all this time. Am I missing some obvious or obfuscated step?
> Are there any plans for RAID1 boot/autodetect support?
>
> I don't see us moving our production systems to 2.4 before the end of the year,
> so I don't care about 2.4's support. If there are no other plans to do this
> integration into 2.2 then I wouldn't mind spending a day or two patching in
> redhat's changes.
>
> Ideas?
>
> For shits and giggles, here is what I have experienced so far:
>
> RedHat 2.2.12 booting:
> md driver 0.90.0 MAX_MD_DEVS=256, MAX_REAL=12
> md.c: sizeof(mdp_super_t) = 4096
> partition check:
> hda: hda1 hda2 hda4 < hda5 hda6 hda7 hda8 hda9 hda10 >
> hdc: hdc1 hdc2 hdc4 < hdc5 hdc6 hdc7 hdc8 hdc9 hdc10 >
> autodetecting RAID arrays
> (read) hda5's sb offset: 524544 [events: 0000001f]
> (read) hda6's sb offset: 2097536 [events: 0000001f]
> (read) hda7's sb offset: 2097536 [events: 0000001f]
> (read) hda8's sb offset: 524544 [events: 0000001f]
> .
> .
> .
> (read) hdc10's sb offset: 7307392 [events: 00000008]
> autorun ...
> considering hdc10 ...
> (and so on... although I don't understand why the version number is 0.90.0)
>
>
> 2.2.16 booting:
> md driver 0.36.6 MAX-MD_DEV=4, MAX_REAL=8
> raid1 personality registered
> partition check:
> hda: hda1 hda2 hda4 < hda5 hda6 hda7 hda8 hda9 hda10 >
> hdc: hdc1 hdc2 hdc4 < hdc5 hdc6 hdc7 hdc8 hdc9 hdc10 >
> Oops! md0 not running, giving up!
> hdc: hdc1 hdc2 hdc4 < hdc5 hdc6 hdc7 hdc8 hdc9 hdc10 >
> Oops! md0 not running, giving up!
> Bad md_map in ll_rw_block
> EXT2-fs: unable to read superblock
> Oops! md0 not running, giving up!
> Bad md_map in ll_rw_block
> isofs_read_super: bread failed, dev=09:00, iso_blknum=16, block=32
> kernel panic: VFS: Unable to mount root fs on 09:00
>
> --
> Robert Dale
>
> Digital Mission
>
>
>
>
