Date: Tue, 11 Sep 2001 20:27:29 -0700 From: "Michael" <taucht@hotmail.com> To: <freebsd-questions@freebsd.org> Subject: Newfs Super Block Backups?? Message-ID: <OE21cU6xfPTeip68V8z00003099@hotmail.com>
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This is a multi-part message in MIME format. ------=_NextPart_000_0005_01C13B00.2DBFAE20 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable On a 4.3 stable system I'm doing a newfs -b 8192 -f 1024 /dev/ar0s1e, = with ar0 being a RAID 0 array of two 60GB disks attached to a Highpoint = controller, all properly recognized according to dmesg. 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=20 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. Thanks for any enlightenment. ------=_NextPart_000_0005_01C13B00.2DBFAE20 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META content=3D"text/html; charset=3Diso-8859-1" = http-equiv=3DContent-Type> <META content=3D"MSHTML 5.00.2920.0" name=3DGENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=3D#ffffff> <DIV><FONT face=3DArial size=3D2>On a 4.3 stable system I'm doing a = newfs -b 8192 -f=20 1024 /dev/ar0s1e, with ar0 being a RAID 0 array of two 60GB disks = attached to a=20 Highpoint controller, all properly recognized according to = dmesg.</FONT></DIV> <DIV> </DIV> <DIV><FONT face=3DArial size=3D2>It seems to be doing the job but while = doing it, it=20 spits out a huge list of sectors so that the whole thing looks like=20 this:</FONT></DIV> <DIV> </DIV> <DIV><FONT face=3DArial size=3D2>#newfs -b 8192 -f 1024 = /dev/ar0s1e</FONT></DIV> <DIV><FONT face=3DArial size=3D2>Warning: 2008 sector(s) in last = cylinder=20 unallocated.</FONT></DIV> <DIV><FONT face=3DArial size=3D2>/dev/ar0s1e: 240203816 sectors in 58644 = cylinders=20 of 1 tracks, 4096 sectors, 117287.0MB in 3666 cyl groups (16 c/g, = 32.00MB/g,=20 7936 i/g)</FONT></DIV> <DIV><FONT face=3DArial size=3D2>super-block backups (for fsck -b #) at=20 </FONT></DIV> <DIV><FONT face=3DArial size=3D2>32, 65568, 131104, 196640, 262176, = 327712, 393248,=20 458784, 524320, 589856,</FONT></DIV> <DIV><FONT face=3DArial size=3D2>....</FONT></DIV> <DIV><FONT face=3DArial size=3D2>[pages more]</FONT></DIV> <DIV><FONT face=3DArial size=3D2>..., </FONT><FONT face=3DArial=20 size=3D2>240189472</FONT></DIV> <DIV> </DIV> <DIV> </DIV> <DIV><FONT face=3DArial size=3D2>I can mount the file system and should = be happy but=20 my inquisitive mind would like to know what all this stuff about the = super-block=20 backup means, I could not find any documentation on it.</FONT></DIV> <DIV> </DIV> <DIV><FONT face=3DArial size=3D2>Thanks for any=20 enlightenment.</FONT></DIV></BODY></HTML> ------=_NextPart_000_0005_01C13B00.2DBFAE20-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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