HP and IBM have some super fancy technology for virtualizing the I/O of their blade systems, and they sell it for thousands of dollars. Dell now has something similar - an SD card that it sells for $499 a pop. Texas-blessed Dell last week started shipping FlexAddress, which is "enabled by a special SD card." By "enabled" and " …
I might be missing the point here but I didnt think that an SD card had a great access time. Granted its a "special" one but come on?
SD card access...
SD cards are not that bad on access time. One can but hope that Dell stumped for some of the 133x Lexar ones.
I've not used one of these systems, but I would guess the SD card is read when the blade chassis is brought up and that's it... I don't think that's going to cause any sort of performance bottleneck...
SD Card is used just for activation, not for use in the data path.
Web Chat Transcript on FlexAddress
We hosted a web chat with some of the FlexAddress experts here at Dell last week. The transcript is located here -
The question of access time is addressed in the chat and the previous comments are correct about it just being used to initially get FlexAddress going - and not on an ongoing basis.