Sg_read_block_limits (8) Linux Manual Page

sg_read_block_limits – send SCSI READ BLOCK LIMITS command

Synopsis

sg_read_block_limits [–help] [–hex] [–raw] [–verbose] [–version] DEVICE

Description

Send a SCSI READ BLOCK LIMITS command to DEVICE and outputs the response. This command is defined for tape (drives) and its description is found in the SSC documents at http://www.t10.org .

Options

Arguments to long options are mandatory for short options as well.

-h, –help: output the usage message then exit.
-H, –hex: output response in hex (rather than decode it).
-r, –raw: output response in binary to stdout.
-v, –verbose: increase the level of verbosity, (i.e. debug output).
-V, –version: print the version string and then exit.

Exit Status

The exit status of sg_read_block_limits is 0 when it is successful. Otherwise see the sg3_utils(8) man page.

Examples

It is usually okay to use no options. Here is an invocation (on the first line following the "#" command prompt) followed by some typical output:

# sg_read_block_limits /dev/st0
Read Block Limits results:

Minimum block size: 1 byte(s)

Maximum block size: 16777215 byte(s), 16383 KB, 15 MB

Authors

Written by Douglas Gilbert.

Reporting Bugs

Report bugs to <dgilbert at interlog dot com>.

sg_read_block_limits (8) Linux Manual Page