Monday, October 11, 2004

MD

I've been reading through some storage-related websites. At my interview, I remember claiming to know a bit about computer hardware. The interviewer proceeded to ask me what I knew about ways of connecting a hard drive and I talked about IDE and SCSI, and tho' I didn't even know what they stood for, I remarked that the latter was better. I shot in the dark with an insane mumbling of 'Integrated Development Environment', but immediately realised my mistake and admitted it. Today, I came across a couple of good pages on SCSI vs. IDE.

I've also been browsing through a lot of MD code (MD is an EVMS plugin) lately. Manu came over today n' we cracked our heads trying to find out the flow from the Engine, through the InternalAPI, to the setting up of the plugins by loading them as modules. My current task is to understand how the MDRegMgr decides what to call.. linear, raid0, raid1, raid5 or multipath... Update: It doesn't. You have to call MDRaid1RegMgr for eg.

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