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Date:      Tue, 10 Nov 1998 07:55:17 +0100 (CET)
From:      Markus Holmberg <saska@acc.umu.se>
To:        Greg Lehey <grog@lemis.com>
Cc:        Doug White <dwhite@resnet.uoregon.edu>, freebsd-questions@FreeBSD.ORG
Subject:   Re: newfs hangs system when doing "newfs /dev/rccd0c"
Message-ID:  <Pine.LNX.4.05.9811100752510.1457-100000@hirohito.acc.umu.se>
In-Reply-To: <19981110154016.W499@freebie.lemis.com>

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On Tue, 10 Nov 1998, Greg Lehey wrote:

> > Hi! Thanks for the answer.. But I can't find any section in man for ccd or
> > ccdconfig that says the partitions being put together have to be of the
> > same size?
> 
> Is this a question or a statement?

Statement.. They do not need to be of same size for concatenation, I have
concatenated disk on another machine with ccd that works perfectly..

> >> This will happen if the ccd is misconfigured or one of the disks is dead.
> 
> I think this answer is less than scientific.  I haven't tried all
> possibilities, but it shouldn't do this.  If you have this problem,
> you should try to figure out why it is happening.

The problem is that the machine that this happened on is remote. (It's in
USA and I'm in Sweden).. And there's noone around there who can do
experimenting. The most they can do is reset the box, which is not fun
either, because it's a "semi-production" box..

I will have to live with non-concatenated disks.. I guess I'll survive
:)..

Regards, Markus.

> 
> 
> >>> ****************************************************************************
> >>>
> >>> [root@ralph /root]# newfs /dev/rccd0c
> >>> Warning: 3462 sector(s) in last cylinder unallocated
> >>> /dev/rccd0c:    87290490 sectors in 21312 cylinders of 1 tracks, 4096
> >>> sectors
> >>>        42622.3MB in 1332 cyl groups (16 c/g, 32.00MB/g, 7680 i/g)
> >>> super-block backups (for fsck -b #) at:
> >>> 32, 65568, 131104, 196640, 262176, 327712, 393248, 458784, 524320,589856,
> >>> 655392, 720928, 786464, 852000, 917536, 983072, 1048608, 1114144,1179680,
> >>> 1245216, 1310752, 1376288, 1441824, 1507360, 1572896, 1638432, 1703968,
> >>> 1769504, 1835040, 1900576, 1966112, 2031648, 2097184, 2162720, 2228256,
> >>> 2293792, 2359328, 2424864, 2490400, 2555936, 2621472, 2687008, 2752544,
> >>> 2818080, 2883616,[hangs here!!!]
> 
> This would appear to be in the first disk (offset 1.4 MB from the
> beginning).  Are you getting any error messages from the disk driver?
> 
> >>> I've been trying to newfs a ccd-device twice now, on this *remote*
> >>> machine, always resulting in hanging the system. 
> 
> Does it always hang in the same place?
> 
> >>> What could I be doing wrong?  Is there a upper limit for how big a
> >>> ccd canbe?
> 
> No practical limit.  I'm pretty sure that it can be this big, anyway.
> 
> You might like to try this with Vinum
> (http://www.lemis.com/vinum.html) and see if that works.  If not, I
> will certainly help you find out why not.  Don't be put off by the
> fact that Vinum is still Beta; ccd really is too.
> 
> Greg
> --
> See complete headers for address, home page and phone numbers
> finger grog@lemis.com for PGP public key
> 


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