Date: Tue, 11 Sep 2001 21:39:03 -0600 From: "Stephen Hurd" <deuce@lordlegacy.org> To: "Michael" <taucht@hotmail.com>, <freebsd-questions@freebsd.org> Subject: RE: Newfs Super Block Backups?? Message-ID: <NFBBJPHLGLNJEEECOCHAKEMOCCAA.deuce@lordlegacy.org> In-Reply-To: <OE21cU6xfPTeip68V8z00003099@hotmail.com>
next in thread | previous in thread | raw e-mail | index | archive | help
> It seems to be doing the job but while doing it, it spits out a huge list of sectors so that > the whole thing looks like this: > #newfs -b 8192 -f 1024 /dev/ar0s1e > Warning: 2008 sector(s) in last cylinder unallocated. > /dev/ar0s1e: 240203816 sectors in 58644 cylinders of 1 tracks, 4096 sectors, 117287.0MB in 3666 > cyl groups (16 c/g, 32.00MB/g, 7936 i/g) > super-block backups (for fsck -b #) at > 32, 65568, 131104, 196640, 262176, 327712, 393248, 458784, 524320, 589856, > .... > [pages more] > ..., 240189472 > > > I can mount the file system and should be happy but my inquisitive mind would like to know what > all this stuff about the super-block backup means, I could not find any documentation on it. Those are your super-block backups... :-) Basically if your super-block heads south for one reason or another, fsck can find an "alternative" super-block to use... while you copy everything to a new HD... :-) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?NFBBJPHLGLNJEEECOCHAKEMOCCAA.deuce>