Re: zfsloader 9.0 BETA3 r225759 - i/o error - all block copies unavailable

on 06/10/2011 17:00 Henri Hennebert said the following:
> On 10/06/2011 15:36, Andriy Gapon wrote:
>> on 06/10/2011 15:30 Henri Hennebert said the following:
>>> The pool is a mirror:
>>>
>>> [root_at_morzine ~]# zpool status rpool
>>>    pool: rpool
>>>   state: ONLINE
>>>   scan: scrub repaired 0 in 1h0m with 0 errors on Wed Aug 24 15:04:36 2011
>>> config:
>>>
>>>      NAME                                            STATE     READ WRITE CKSUM
>>>      rpool                                           ONLINE       0     0     0
>>>        mirror-0                                      ONLINE       0     0     0
>>>          gptid/e915c6a0-fc72-11de-aa21-00e081706b68  ONLINE       0     0     0
>>>          gptid/eac8497d-fc72-11de-aa21-00e081706b68  ONLINE       0     0     0
>>>
>>> errors: No known data errors
>>>
>>> and rpool/root is not compressed:
>>>
>>> [root_at_morzine ~]# zfs get compression rpool/root
>>> NAME        PROPERTY     VALUE     SOURCE
>>> rpool/root  compression  off       inherited from rpool
>>>
>>> pool is v28 and filesystems are v5
>>
>> No particular recipes for this environment, just a general suggestion.
>> If you run into a situation like this again, please try to use
>> tools/tools/zfsboottest to diagnose where exactly an error originates.
>>
> I try [ please note _M_enu.rc ]:
> 
> [root_at_morzine ~]# /usr/obj/usr/src/tools/tools/zfsboottest/zfsboottest
> /boot/Menu.rc /dev/da0p2 /dev/da1p2
> ZFS: SPA version 28
>   pool: rpool
> config:
> 
>         NAME STATE
>         rpool ONLINE
>           mirror ONLINE
>             gptid/e915c6a0-fc72-11de-aa21-00e081706b68 ONLINE
>             gptid/eac8497d-fc72-11de-aa21-00e081706b68 ONLINE
> \ Menu.rc
> \ $FreeBSD: head/sys/boot/forth/menu.rc 222417 2011-05-28 08:50:38Z julian $
> \
> \ Load required Forth modules
> include /boot/version.4th
> include /boot/brand.4th
> include /boot/menu.4th
> include /boot/menu-commands.4th
> include /boot/shortcuts.4th
> 
> \ Screen prep
> clear         \ clear the screen (see `screen.4th')
> print_version \ print version string (bottom-right; see `version.4th')
> draw-beastie  \ draw freebsd mascot (on right; see `beastie.4th')
> draw-brand    \ draw the FreeBSD title (top-left; see `brand.4th')
> menu-init     \ initialize the menu area (see `menu.4th')
> 
> \ Initialize main menu constructs (see `menu.4th')
> \ NOTE: To use the `ansi' variants, add `loader_color=1' to loader.conf(5)
> <clip>
> set menu_timeout_command="boot"
> 
> \ Display the main menu (see `menu.4th')
> menu-display
> [root_at_morzine ~]
> 
> The line `ZFS: SPA version 28'
> 
> come from my local patch:
> 
> Index: sys/boot/zfs/zfsimpl.c
> ===================================================================
> --- sys/boot/zfs/zfsimpl.c    (revision 225759)
> +++ sys/boot/zfs/zfsimpl.c    (working copy)
> _at__at_ -63,6 +63,8 _at__at_
>      STAILQ_INIT(&zfs_vdevs);
>      STAILQ_INIT(&zfs_pools);
> 
> +    printf("ZFS: SPA version %u\n", (unsigned) SPA_VERSION);
> +
>      zfs_temp_buf = malloc(TEMP_SIZE);
>      zfs_temp_end = zfs_temp_buf + TEMP_SIZE;
>      zfs_temp_ptr = zfs_temp_buf;
> 
> 
> Is it what you sugest ?

Yes.  And this report indicates that the boot code (built from your source tree)
should be able to read that file.

-- 
Andriy Gapon