On Wednesday, 18 December 2002 at 17:49:40 +0100, Joost Bekkers wrote:
> On Tue, Dec 17, 2002 at 11:13:52AM +1030, Greg 'groggy' Lehey wrote:
>> On Monday, 16 December 2002 at 10:30:42 +0100, Joost Bekkers wrote:
>>> On Mon, Dec 16, 2002 at 08:39:28AM +1030, Greg 'groggy' Lehey wrote:
>>>> On Sunday, 15 December 2002 at 20:48:03 +0100, Joost Bekkers wrote:
>>>>
>>>>> I've been hacking away at vinum_attach() in sys/dev/vinum/vinum.c
>>>>> but I can't seen to get it to work properly (yet)
>>>>
>>>> It needs to be done during system startup. I have code to do it, I
>>>> just haven't got around to sorting out the other issues that are
>>>> needed in order to do this properly.
>>>
>>> Is that code available somewhere or could you send it to me?
>>
>> I can send it to you, but it's in a bit of a mess, since it's been
>> lying there for nearly three years. I could explain to you what to
>> do, but it would take me about as long as really doing it.
>>
>>> I've already got my root partition accessible both directly (so the
>>> loader can get at it) and as a vinum mirrored volume.
>>
>> I'd be interested in seeing *your* code.
>>
>
> Let me say in advance that it is lacking any form of error checking. I should
> also find some way to determine which disk we're booting from, since that is
> the only disk that makes sence to read the config from.
>
> {
> char *bootdev[]={"/dev/da0","/dev/da1",NULL};
> start_config(0);
> lock_config();
> vinum_scandisk(bootdev,sizeof(bootdev)/sizeof(bootdev[0]));
> unlock_config();
> finish_config(0);
> save_config();
> }
Ah. Yes, that's partially the correct approach, but it requires you
to know *all* Vinum drives; otherwise Vinum will mark the missing ones
down. Jörg Wunsch already has functional code which does things this
way. I'm in the process of rewriting vinum_scandisk to find the
drives itself.
Greg
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