[cgl_discussion] ATCA Requirements Take 3
Steven Dake
sdake at mvista.com
Thu Sep 11 10:55:03 PDT 2003
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), is a
member of raid 1 volume, or a filesystem is mounted on the device, or
permutations 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 cpu blade 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 operating systems in
the collection of cpu nodes using the device have removed all references
to the device in the operating system.
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