[cgl_discussion] Re: ATCA Requirements Take 2
Steven Dake
sdake at mvista.com
Tue Sep 9 15:20:35 PDT 2003
On Tue, 2003-09-09 at 14:58, John J Grana wrote:
>
>
> Steven,
> Are these requirements just for ATCA? Can we also then take a shot at
> CompactPCI. I realize there are lots of holes in various implementations on
> CompactPCI, but I still feel strongly we need to be able to support cPCI
> (2.16 and CompacTCA) versions. Even if it means cPCI vendors will need to:
>
> 1) Support IPMI
> 2) Support some set of IPMI commands and data structures (possibly the set
> we are defining for ATCA)
>
> If we think we can do this, we can expand the scope of Hot Swap to "ATCA
> and cPCI".
>
> Ok?
>
I can bring up expanding these requirements to Compact PCI systems,
however, with our current specs schedule (less then two weeks) I am
likely to be flogged tomorrow. Do you have any specific requirements
you would like to see?
Thanks
-steve
> Cheers
> jjg
>
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> Steven Dake
> <sdake at mvista.com
> > To
> cgl_discussion at osdl.org,
> 09/09/2003 05:54 eric.chacron at alcatel.fr,
> PM jjg at pt.com, Richard.Somes at fci.com
> cc
>
> Please respond to Subject
> sdake at mvista.com ATCA Requirements Take 2
>
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> Folks
>
> Here is take 2 of the requirements for ATCA.
>
> Requirement: ATCA IPMI Support
>
> The IPMI system shall implement the new IPMI commands, data structures,
> and sensors defined in the ATCA specification.
>
> Requirement: Block Device Removal
>
> The Linux kernel should allow removal of a block device while it is in
> use without degrading reliability of the system. The block device shall
> be removeable even if in use by an open file (fdisk /dev/sda), a raid
> volume, or a filesystem or multiples thereof.
>
> Requirement: shutdown systemcall integrated with ATCA system management
>
> The Linux kernel shall ensure that the shutdown system call uses the
> ATCA system management IPMI interface to power down the system and light
> the blue led.
>
> Requirement: Multiple Host Syncronized Device Hotswap
>
> When multiple hosts are using the same block or character device, and a
> user requests to remove the device, the device's blade wont be powered
> off and if a blue led is available, lit, until all systems in the
> collection of machines using the device have removed the device from
> their respective Linux kernel data structures.
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>
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