Date: Sat, 12 Mar 2005 21:29:39 -0300 From: Alejandro Pulver <alejandro@varnet.biz> To: Alejandro Pulver <alejandro@varnet.biz> Cc: freebsd-questions@freebsd.org Subject: Re: format slice Message-ID: <20050312212939.648997bd@ale.varnet.bsd> In-Reply-To: <20050312210605.7534260c@ale.varnet.bsd> References: <20050312194330.30b24cab@ale.varnet.bsd> <20050312230349.1C39F801175C@smtp-out3.tiscali.nl> <20050312210605.7534260c@ale.varnet.bsd>
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On Sat, 12 Mar 2005 21:06:05 -0300
Alejandro Pulver <alejandro@varnet.biz> wrote:
> On Sun, 13 Mar 2005 00:04:06 +0100
> "Freek Nossin" <freeknossin@tiscali.nl> wrote:
> > > > Then I used bsdlabel to create a label on ad0s1 by typing:
> > > >
> > > > #bsdlabel -w ad0s1
> > > >
> > > > And following the handbook, my next command was:
> > > >
> > > > #bsdlabel -e ad0s1
> > > >
> > > > Now I wrote in the text editor (I admit, after 4 tries and a lot
> > > > of reading...):
> > > >
> > > > # /dev/ad0s1:
> > > > 8 partitions:
> > > > # size offset fstype [fsize bsize bps/cpg]
> > > > c: 20820177 0 unused 0 0 # "raw"
> > > > part, don't e: 20820177 0 4.2BSD 2048 16384
> > > > 32776
> > > >
> > > >
> > > > now I wanted to use newfs to create a file system on ad0s1e, but
> > > > it could not. My problem is illustrated by my ls output:
> > > >
> > > > pcwin451# ls /dev/ad*
> > > > /dev/ad0 /dev/ad0s2 /dev/ad0s2b /dev/ad0s2d
> > > > /dev/ad0s1 /dev/ad0s2a /dev/ad0s2c /dev/ad0s2e
> > > >
> > > > bsdlabel -e didn't create a new partition, although the output
> > > > of bsdlabel ad0s1 is:
> > > >
> > > > pcwin451# disklabel ad0s1
> > > > # /dev/ad0s1:
> > > > 8 partitions:
> > > > # size offset fstype [fsize bsize bps/cpg]
> > > > c: 20820177 0 unused 0 0 # "raw"
> > > > part, don't
> > > > edit
> > > > e: 20820161 16 4.2BSD 2048 16384 32776
> > > >
> > > > How can this be? (and how do I fix it...?)
> > > >
> > > > Thanks for your help already so far
> > > >
> > > > Freek
> > > >
> > >
> > > Hello,
> > >
> > > In my second disk I have free space between two slices so I tried
> > > the procedure by myself.
> > >
> > > When I did a 'bsdlabel -w /dev/adXsY' (without editing them) I
> > > ended with a partition labeled 'a', and it instantly appeared in
> > > '/dev/'. Then I did what you have done ('bsdlabel -e <slice>') and
> > > it also appeared in'/dev'.
> > >
> > > I do not know about this, but maybe this helps:
> > >
> > > 1) Try with only 'bsdlabel -w <slice>'. The partition should
> > > appear as'a'.
> > >
> > > 2) If the partition does not appear in '/dev/' then you can
> > > reinitialize the ATA channel (0 or 1, I think your disk is in 0)
> > > your disk is in, with 'atacontrol reinit <channel>'. For a list of
> > > ATA channels with the devices do 'atacontrol list'.
> > >
> > > ***WARNING***: do ***NOT*** 'detach' and 'attach' the channel your
> > > device your running hard disk (that contain the FreeBSD you are
> > > running) is connected to (but you can safely 'reinit' it). A
> > > 'detach' removes the disk and slices/partitions from the kernel
> > > and powers down the devices in that channel, so FreeBSD will stall
> > > when it tries to read/write on its partitions ('/', '/usr', etc.).
> > > I could detach and atach it once (in less than 5 seconds), but the
> > > other time it crashed my machine (I had to rewrite this mail three
> > > times, because I was experimenting with 'atacontrol'). It is more
> > > safe to reboot the machine.
> > >
> > > Best Regards,
> > > Ale
> >
> >
> > Thank, but unfortunately it dit not help
> >
> > pcwin451# atacontrol reinit 0
> > Master: ad0 <Maxtor 5T020H2/TAH71DP0> ATA/ATAPI revision 6
> > Slave: no device present
> >
> > pcwin451# bsdlabel -w ad0s1
> >
> > pcwin451# ls /dev/ad*
> > /dev/ad0 /dev/ad0s2 /dev/ad0s2b /dev/ad0s2d
> > /dev/ad0s1 /dev/ad0s2a /dev/ad0s2c /dev/ad0s2e
> >
> >
> >
> > _______________________________________________
> > freebsd-questions@freebsd.org mailing list
> > http://lists.freebsd.org/mailman/listinfo/freebsd-questions
> > To unsubscribe, send any mail to
> > "freebsd-questions-unsubscribe@freebsd.org"
>
> Hello,
>
> Have you tried to reinitialize the ata channel before changing the
> partitions?
>
Sorry, I mean after.
> Try unmounting '/dev' and mounting it again (forcing it with '-f').
>
> If the problem persist, the only alternative is to reboot. Do you have
> a dynamic IP? If that is the case it is possible to add a crontab
> entry that executes a script on each system startup. The script can
> send you an e-mail to you using the internal sendmail (must be enabled
> for that) relay so it will contain the IP of your server (in the
> complete headers). Alternatively the script can upload a file
> containing the output of 'ifconfig' to an FTP site.
>
> If you are interested you can ask me for more information.
>
> Best Regards,
> Ale
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