On Wed, Feb 25, 2009 at 08:20:57AM +0100, Jose Legido wrote: > On Wed, Feb 25, 2009 at 3:33 AM, Alex Samad <a...@samad.com.au> wrote: > > On Tue, Feb 24, 2009 at 07:29:12PM -0500, Jose Legido wrote: > >> On Tue, Feb 24, 2009 at 7:09 PM, Alex Samad <a...@samad.com.au> wrote: > >> > On Tue, Feb 24, 2009 at 06:53:54PM -0500, Jose Legido wrote: > >> >> Hello! > >> >> I have one IDE hard disk hda with the system (debian testing) > >> >> I have a RAID5 with devices sda,b,c,d. My raid works fine. > >> >> One day, I reboot and my hda is converted to sda. > >> > > >> > you upgraded your kernel ? at some point in time the kernel started to > >> > address sata devices as sd instead of the old way of hd. > >> > >> No, I don't upgrade my kernel. > > > > anything else change > > > > > >> My changes are made in /boot/initrd.img-2.6.26-1-686 > >> > >> > > >> > start using LABEL or UUID instead of device paths like /dev/hda1. check > >> > /etc/fstab and your grub menu if you use grub of lilo > >> > >> I change this later > >> > >> > > >> > as for the raid, check out the /etc/mdadm/mdadm.conf, make sure your md > >> > devices are not defined with device, but with UUID's > >> > > >> My mdadm.conf > >> ARRAY /dev/md0 level=raid5 num-devices=4 > >> UUID=0768075c:5ca2c100:d4d8cd15:f227f389 > >> > >> How can I know md0 filesystem? > > > > what i would do is > > > > reboot the system but with the kernel options init=/bin/bash (you can > > edit a grub stanza at boot up time so no need to make it permanent) > > > > then I would have a look at the system from the kernels perspective see > > what drives are available hd's or sd's. work out the problem from there. > > > > Then look at the raid device, I would try and assemble them (not > > recreate them) and see what the problem is, have a look at dmesg and > > syslog. > > > Too late.... I recreate, there are any diference in assemble and > recreate? Excuse me my ignorance....
recreate creates a new md device - blank, although there are some
options to make a create look like a assemble.
assemble is what the system does when it put the device together to make
the mdX device
>
> Thanks!
>
> >
> > I would work it from there.
> >
> >
> >>
> >>
> >> > Alex
> >> >
> >> >> I loaded an old kernel. Know, when I try to mount my RAID i get this
> >> >> error:
> >> >> # mount -t ext3 /dev/md0 /mnt/raid/
> >> >> VFS: Can't find ext3 filesystem on dev md0.
> >> >>
> >> >> What can I do?
> >> >>
> >> >> Thanks!!!!
> >> >>
> >> >>
> >> >> --
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> >> >>
> >> >
> >> > --
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> >> > - George W. Bush
> >> > 06/18/2003
> >> > Washington, DC
> >> >
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> >> > TjYAoP1vdDGu/KifXvReNjGEHd4BPKvp
> >> > =v5oY
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> >>
> >>
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> > - George W. Bush
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> > Austin, TX
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> > eQAAoNoAglaYyw6wjVnlIMMPdMfaUsWj
> > =Ezz4
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> >
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