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From: Abhey Shah <as234@york.ac.uk>
To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] thrashed /
Date: Fri, 21 Sep 2007 19:21:03 +0100	[thread overview]
Message-ID: <3D5D73FA-91A1-483E-B4FE-7CB0FAABA0D1@york.ac.uk> (raw)
In-Reply-To: <46f3d6b9.12054e0a.1668.7cc0@mx.google.com>

no promises or guarantees, read the relevant man pages before doing
this,
  there's probably a mistake in here somewhere

venti/venti -h tcp!*!8000  -c /dev/sdC0/arenas
dumpvacroots
take one of the old venti scores and do
  fossil/flfmt -h $host -v $score /dev/sdC0/fossil

reboot and pray

On 21 Sep 2007, at 15:35, John Soros wrote:

> yes, that might be an approach, just use venti...but what I'd like
> to do is use the last fossil dump.
> my machine is unbootable at the moment, since /bin and some other
> stuff have been wiped off the harddisk.
> There actually has been no filesystem damage. This can only be the
> cause of my braindamage.
>
> What i think i need to do is:
> boot from livecd
> get venti running somehow
> get fossil running with venti somehow
> revert fossil to the last dump
> reboot
>
> I am trying to find out how to do the venti and fossil steps...
> Of course, if i'm wrong, please enlighten me, as i am still quite
> ignorant of the inner workings of the system, fossil and venti.
>
> Thanks, though.
>
>
> On Fri, 21 Sep 2007 09:11:03 +0100
> "Steve Simon" <steve@quintile.net> wrote:
>
>> I wrote a doc about how to recover from various disc failures:
>>
>> http://plan9.bell-labs.com/sources/contrib/steve/doc/Venti-rescue.pdf
>>
>> Alternatively you could just do:
>>
>> 	9fs dump
>> 	cp -gux /n/dump/2007/0901/386/bin/* /368/bin
>>
>> -Steve
>



      reply	other threads:[~2007-09-21 18:21 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-21  5:53 John Soros
2007-09-21  8:11 ` Steve Simon
2007-09-21 14:35   ` John Soros
2007-09-21 18:21     ` Abhey Shah [this message]

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