won't boot after 8.0-RELEASE upgrade

[Ivo Karabojkov]

Can someone give me a clue what went wrong in so described upgrade and what
made Kernel 8.0 REL not to see either disklabel nor even partition of my
gmirror? I need some advice prior starting upgrade process of the rest of my
servers. As you see in my previous posts the problem is NOT in DD mode!



Ivo Karabojkov wrote:
> 
> As I guessed, I am using standard, not DD mode. Despite of this I was
> unable to boot, and even more: FreeBSD 8.0 sysinstall did not find any
> partitions neither on the (g)mirror, hardware RAID I described above or
> any individual disks part of the RAID. I had to use FreeBSD 7.2 livefs to
> copy my data after I formatted one of the disks with new 8.0 sysinstall.
> I think this makes our problem totally unexplained.
> As an example I'll show you my "unable to boot system with gmirror" fstab:
> 
> # Device                Mountpoint      FStype  Options         Dump   
> Pass#
> /dev/mirror/gm0s1b              none            swap    sw              0      
> 0
> /dev/mirror/gm0s1a              /               ufs     rw              1      
> 1
> /dev/mirror/gm0s1d              /usr            ufs     rw              2      
> 2
> /dev/mirror/gm0s1e              /var            ufs     rw,acls         2      
> 2
> /dev/acd0               /cdrom          cd9660  ro,noauto       0       0
> 
> Something I've noticed: when formatting an entire disk with sysinstall
> prior 7.0 its partition looks like this:
> 
> Offset       Size(ST)        End     Name  PType       Desc  Subtype   
> Flags
> 
>          0         63         62        -     12     unused        0
>         63  781417602  781417664    ad4s1      8    freebsd      165
>  781417665       2990  781420654        -     12     unused        0
> 
> When formatted with later versions of sysinstall it looks like this:
> 
> Offset       Size(ST)        End     Name  PType       Desc  Subtype   
> Flags
> 
>          0         63         62        -     12     unused        0
>         63  625142385  625142447    ad4s1      8    freebsd      165
> 
> I notice that the free part at the end is missing. My "hardware" raid,
> described above in this thread, stores its metadata in the beginning of
> the disk. Writes in the first sectors result in mirror break and the error
> I wrote already. I know all of this because I did a lot of tests to help
> all of you to find our problem out.
> 
> I have to say that my problems occured with system initially installed
> with FreeBSD 5 or 6. One system with single drive installed with 7.2
> (second example) upgraded with no problems.
> 
> I hope my tests will help to find out what happens wit our older
> "disklabelled" systems.
> 
> 
> Polytropon wrote:
>> 
>> On Tue, 8 Dec 2009 14:09:16 -0800 (PST), Ivo Karabojkov <ivo at kit-bg.com>
>> wrote:
>>> So I'd like to know how
>>> to distinguish mode of my current filesystems - is it standard or
>>> dangerously dedicated?
>> 
>> If you've first created a slice on the disk, and then
>> partitions inside the slice, it's standard mode, e. g.
>> 
>> 	ad0   a    b       d       e       f       g
>> 	{  [  (/)  (swap)  (/tmp)  (/var)  (/usr)  (/home)  ]  }
>> 	   s1
>> 
>> If you've omitted the slice, and created the partitions
>> on the disk device itself, it's dangerosly dedicated mode, e. g.
>> 
>> 	ad0
>> 	{  (/)  (swap)  (/tmp)  (/var)  (/usr)  (/home)  }
>> 	   a    b       d       e       f       g
>> 
>> You can tell by the existence of ad0s1[adefg] vs. ad0[adefg]
>> in /dev, or by trying to print the disks's slice table.
>> 
>> 
>> 
>> -- 
>> Polytropon
>> Magdeburg, Germany
>> Happy FreeBSD user since 4.0
>> Andra moi ennepe, Mousa, ...
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>> 
> 
> 

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