Introduction to the 'sg_copy_results' Command

sg_copy_results Linux Command

Introduction to the Command

The sg_copy_results Linux command is a utility for copying the results of a SCSI command from a device, such as a hard drive, to a file. This command is useful for debugging and troubleshooting SCSI devices, as it allows users to access the data that is stored in the device without having to physically access the device itself. The command is part of the sg3_utils package.

Basic Usage and Syntax

The basic syntax for the sg_copy_results command is:

sg_copy_results [options] <device> <file>

Where <device> is the SCSI device to copy from and <file> is the file to copy the results to.

Examples of Common Use Cases

The sg_copy_results command has a variety of use cases, including:

• Copying the results of a SCSI command from a device to a file for debugging and troubleshooting.
• Copying the results of a SCSI command from a device to a file for archiving.
• Copying the results of a SCSI command from a device to a file for analysis.

Advanced Options and Flags

The sg_copy_results command has a variety of options and flags that can be used to customize the output. These include:

• -b – Specifies the block size to use for the copy.
• -c – Specifies the number of blocks to copy.
• -f – Specifies the file format for the output.
• -h – Displays help information.
• -l – Specifies the length of the SCSI command.
• -o – Specifies the offset from which to start the copy.
• -p – Specifies the page to copy.
• -r – Specifies the number of retries.
• -s – Specifies the SCSI command to execute.
• -v – Displays verbose output.

Examples in Real-World Scenarios

The sg_copy_results command can be used in a variety of real-world scenarios, such as:

• Copying the results of a SCSI command from a hard drive to a file for debugging and troubleshooting.
• Copying the results of a SCSI command from a disk array to a file for archiving.
• Copying the results of a SCSI command from a tape drive to a file for analysis.

Troubleshooting Tips and Potential Errors

When using the sg_copy_results command, it is important to be aware of potential errors and troubleshooting tips. These include:

• Ensure that the device is properly connected and powered on.
• Ensure that the device is properly configured for the SCSI command.
• Ensure that the device is supported by the sg_copy_results command.
• Ensure that the file is properly formatted for the output.
• Ensure that the command is executed with the proper permissions.
• Ensure that the command is executed with the proper options and flags.