[SunHELP] BAD SUPER BLOCK QUESTION

Tue Jan 9 13:13:49 CST 2001

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On my database server one of my partitions I got this error:

** /dev/rdsk/c2t0d0s3

BAD SUPER BLOCK:  BAD VALUES IN SUPER BLOCK
USE AN ALTERNATE SUPER BLOCK 

USE:  FSCK -F UFS -O B=#  [ SPECIAL ...]

I used the above command and specified the # to be  32 which was a back up
super block that I got from running  newfs -N /dev/rdsk/c2t0d0s3 and it
began to print out:

Unknown File Type:
Partially Cleared Inode:

over and over and over again.  I read that answering yes to the above errors
will cause you to lose data.  

My Question:

When I get the BAD SUPER BLOCK error at the top of this message, what am I
supposed to do?  Am I doing the right thing?  After I use the alternate
super block I still can't run a regular FSCK against the partition, it will
still report for me to use an alternate.

Please help Gods....

Christopher A.
Los Angeles, Ca.

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<TITLE>BAD SUPER BLOCK QUESTION</TITLE>
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<P><FONT SIZE=3D2 FACE=3D"Arial">On my database server one of my =
partitions I got this error:</FONT>
</P>
<BR>

<P><FONT SIZE=3D2 FACE=3D"Arial">** /dev/rdsk/c2t0d0s3</FONT>
</P>

<P><FONT SIZE=3D2 FACE=3D"Arial">BAD SUPER BLOCK:  BAD VALUES IN =
SUPER BLOCK</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">USE AN ALTERNATE SUPER BLOCK </FONT>
</P>

<P><FONT SIZE=3D2 FACE=3D"Arial">USE:  FSCK -F UFS -O B=3D#  =
[ SPECIAL ...]</FONT>
</P>
<BR>

<P>       =20
</P>

<P><FONT SIZE=3D2 FACE=3D"Arial">I used the above command and specified =
the # to be  32 which was a back up super block that I got from =
running  newfs -N /dev/rdsk/c2t0d0s3 and it began to print =
out:</FONT></P>

<P><FONT SIZE=3D2 FACE=3D"Arial">Unknown File Type:</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">Partially Cleared Inode:</FONT>
</P>

<P><FONT SIZE=3D2 FACE=3D"Arial">over and over and over again.  I =
read that answering yes to the above errors will cause you to lose =
data.  </FONT>
</P>

<P><FONT SIZE=3D2 FACE=3D"Arial">My Question:</FONT>
</P>

<P><FONT SIZE=3D2 FACE=3D"Arial">When I get the BAD SUPER BLOCK error =
at the top of this message, what am I supposed to do?  Am I doing =
the right thing?  After I use the alternate super block I still =
can't run a regular FSCK against the partition, it will still report =
for me to use an alternate.</FONT></P>

<P><FONT SIZE=3D2 FACE=3D"Arial">Please help Gods....</FONT>
</P>
<BR>

<P><FONT SIZE=3D2 FACE=3D"Arial">Christopher A.</FONT>
<BR><FONT SIZE=3D2 FACE=3D"Arial">Los Angeles, Ca.</FONT>
</P>

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