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Full Discussion: Help with errors
Special Forums Hardware Filesystems, Disks and Memory Help with errors Post 39250 by Perderabo on Tuesday 12th of August 2003 03:38:23 AM
Old 08-12-2003
With the time crunch that you have, I must suggest that you need more help than you can get here. You should call your vendor now and get an engineer on site. Or hire back some of your laid off experts for a few hours.

For us to help you, we will need to know more. What hardware do you have? What version of unix?

My best guess is that you really have a bad disk and the disk that is bad contains your root file system.

The "wd: ERROR..." seems to be an error message from a disk driver. The controller and device numbers id which device is broken. Block 29 sounds like a block that should exist. A very large number might have meant that the driver was asked to read a non-existant block.

The "hd: Warning" is a bit of a red herring. The system tried to allocate an inode but it failed due to a hard disk error. If the disk was readable, you would probably find that you do have inodes left.

The "-sh: cannot make pipe" tells us why an inode was requested. It's been a long time since I've seen a version of unix that used file system based pipes. I didn't know anyone still did that. It will be interesting to learn what system you are using.

I think that you will probably need a new hard disk. Then you need to re-install the OS. Then you need to load your backup tapes and get the system to the state it was in during your last backup.

You are getting far enough into the startup scripts that the shell is attempting to run. That means that there is a good chance that you can mount your fried disk in read-only mode and have a decent chance of pulling some files off of it.

Bear in mind that this is all guesswork. I have never seen a system like yours and I have very little to go on.
 

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LEARN ABOUT PHP

cmdk

cmdk(7D)							      Devices								  cmdk(7D)

NAME

       cmdk - common disk driver

SYNOPSIS

       cmdk@target, lun : [ partition | slice ]

DESCRIPTION

       The  cmdk  device  driver  is  a  common interface to various disk devices. The driver supports magnetic fixed disks and magnetic removable
       disks.

       The block-files access the disk using the system's normal buffering mechanism and are read and written  without	regard	to  physical  disk
       records. There is also a "raw" interface that provides for direct transmission between the disk and the user's read or write buffer. A sin-
       gle read or write call usually results in one I/O operation; raw I/O is therefore considerably more efficient when many bytes are transmit-
       ted. The names of the block files are found in /dev/dsk; the names of the raw files are found in /dev/rdsk.

       I/O  requests  to the magnetic disk must have an offset and transfer length that is a multiple of 512 bytes or the driver returns an EINVAL
       error.

       Slice 0 is normally used for the root file system on a disk, slice 1 as a paging area (for example, swap), and slice 2 for backing  up  the
       entire fdisk partition for Solaris software. Other slices may be used for usr file systems or system reserved area.

       Fdisk partition 0 is to access the entire disk and is generally used by the fdisk(1M) program.

FILES

       /dev/dsk/cndn[s|p]n     block device (IDE)

       /dev/rdsk/cndn[s|p]n    raw device (IDE)

			       where:

			       cn	controller n

			       dn	lun n (0-7)

			       sn	UNIX system slice n (0-15)

			       pn	fdisk partition(0)

       /kernel/drv/cmdk        32-bit kernel module.

       /kernel/drv/amd64/cmdk  64-bit kernel module.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Architecture		     |x86			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       fdisk(1M), mount(1M), lseek(2), read(2), write(2), readdir(3C), scsi(4), vfstab(4), attributes(5), dkio(7I)

SunOS 5.10							    9 Oct 2004								  cmdk(7D)
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