Subject: Re: [Crash-utility] [EXTENSION] Request to add new extension to Crash 
Extension Modules page: sdinfo

Dear Martin,

Thank you very much for your thoughtful suggestions regarding the PyKdump 
extension and its 'scsishow' and 'nvme' commands. I truly appreciate you taking 
the time to share these references, which demonstrate your deep expertise in 
this domain.

Indeed, during our development process, we have found PyKdump to be a valuable 
resource, specifically its field selection strategy, data layout logic, and 
visual presentation approach for SCSI/NVMe information. The documentation and 
examples also have been quite helpful in our work.

However, in certain specialized environments - particularly in completely 
isolated internal networks without internet access - we've found that PyKdump 
can present challenges for compilation and deployment. This is where we believe 
our sdinfo extension offers a distinct advantage, as it can be packaged 
directly within the crash-utility RPM, making distribution and deployment 
significantly simpler in these restricted environments.

We remain very interested in having sdinfo listed on the Extension Modules page 
as it provides a complementary solution that addresses specific deployment 
scenarios that other tools might find challenging. The extension is designed 
with maintenance and compatibility in mind, and we're committed to keeping it 
updated alongside crash-utility developments.

Thank you again for your valuable input and expertise. We're open to further 
discussion about how sdinfo might complement the existing ecosystem of crash 
extensions.

Best regards,

Yao Sang





Original
From: Moore, Martin (ERT) <[email protected]>
Date: 2025年8月22日 20:04
To: [email protected] <[email protected]>, 
[email protected] <[email protected]>
Subject: RE: [Crash-utility] [EXTENSION] Request to add new extension to 
CrashExtension Modules page: sdinfo


Hello Yao Tang,

You may also be interested in the 'scsishow' and 'nvme' commands in the PyKdump 
extension:

Project home page: https://sourceforge.net/projects/pykdump/

Documentation: https://pykdump.readthedocs.io/en/latest/index.html

Regards,
Martin

Martin Moore
ERT Compute – Senior Engineer
Engineering Solutions and Support
HPE Operations – Global Support

-----Original Message-----
From: [email protected] <[email protected]> 
Sent: Thursday, August 21, 2025 10:47 PM
To: [email protected]
Subject: [Crash-utility] [EXTENSION] Request to add new extension to Crash 
Extension Modules page: sdinfo

Dear Crash Utility Maintainers,

I would like to submit a new extension module for inclusion in the Crash 
Extension Modules page. Below are the required details:

1.​​Extension Name​​: sdinfo

2.​​Command(s)​​: sdinfo

3.​​Comments
- Functionality: Displays Linux kernel's SCSI disk information, including 
devices, hosts, targets, and associated I/O requests  and SCSI commands. 
Support for NVMe devices is currently under development and will be added in 
upcoming releases.

- To build the module from the top-level `crash-<version>` directory, enter:
    $ cp <path-to>/scsi.c scsi.mk extensions
    $ make extensions

- Package Website: https://github.com/briston-dev/crash-diskutils
- Requires crash-utility version >= 7.2.8
- Author: Yao Sang <[email protected]>

As specified in the extension guidelines, please add this module to the Crash 
Extension Modules page. This extension will be actively maintained with regular 
updates to ensure compatibility with new kernel versions and additional feature 
enhancements.

Let me know if additional information is needed. Thank you for your 
consideration!

Best regards,

Yao Sang
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