Manpages - sg_read_block_limits.8
Table of Contents
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NAME
sg_read_block_limits - send SCSI READ BLOCK LIMITS command
SYNOPSIS
sg_read_block_limits [/–help/] [/–hex/] [/–raw/] [/–readonly/] [/–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 https://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.
- -R, –readonly
- open DEVICE in read-only mode. The default is to open it in read-write mode.
- -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:
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>.
COPYRIGHT
Copyright © 2009-2017 Douglas Gilbert
This software is distributed under a FreeBSD license. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE.
SEE ALSO
sg3_utils(sg3_utils)