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Full Discussion: I/O Error
Special Forums Hardware Filesystems, Disks and Memory I/O Error Post 302260746 by BigSky on Friday 21st of November 2008 01:47:40 PM
Old 11-21-2008
I/O Error

Filesystem /u01 indicates I/O error when accessed. After doing some research I ran iostat -eE command with the following noticeable error:

sd1 Soft Errors: 66 Hard Errors: 24 Transport Errors: 24
Vendor: FUJITSU Product: MAN3367M SUN36G Revision: 1502 Serial No: 00X59717
Size: 36.42GB <36418595328 bytes>
Media Error: 21 Device Not Ready: 0 No Device: 3 Recoverable: 66
Illegal Request: 0 Predictive Failure Analysis: 0


Am I reading this correctly as a hardware error? Is there a way to relate this information to the raw device c0t1d0s7 that /u01 is mount to? I was thinking about umount the device and mounting it again? Am I on the right track?

Thanks for your help.
 

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devinfo(1M)						  System Administration Commands					       devinfo(1M)

NAME
devinfo - print device specific information SYNOPSIS
/usr/sbin/devinfo -i device /usr/sbin/devinfo -p device DESCRIPTION
The devinfo command is used to print device specific information about disk devices on standard out. The command can only be used by the superuser. OPTIONS
-i Prints the following device information: o Device name o Software version (not supported and prints as 0) o Drive id number (not supported and prints as 0) o Device blocks per cylinder o Device bytes per block o Number of device partitions with a block size greater than zero -p Prints the following device partition information: o Device name o Device major and minor numbers (in hexadecimal) o Partition start block o Number of blocks allocated to the partition o Partition flag o Partition tag This command is used by various other commands to obtain device specific information for the making of file systems and determining parti- tion information. If the device cannot be opened, an error message is reported. OPERANDS
device Device name. EXIT STATUS
0 Successful operation. 2 Operation failed. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ SEE ALSO
prtvtoc(1M), attributes(5) SunOS 5.11 8 May 1997 devinfo(1M)
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