  640GB ioDrive Duo  (Source: DailyTech)         Comments    
Threshold   FusionIO = Fusion Bankruptcy By tshen83 on 3/12/2009
5:52:34 PM , Rating: 5 I love Woz. But everything he touches
after Apple hasn't turned out well.  FusionIO has few major
disadvantages:  1. Hotswappability. High end servers do allow
this, but normal 2S servers don't. When the SSD breaks, if you
have to take down the server to swap a PCI-Express card, you
will realize how stupid PCI-Express based storage really is.  2.
Price. 5000 dollars for 160GB? Why don't you get 12 X25-Es for
the same price and get much better aggregate IOPS? the 165K
random write IOPS are battery backed at 1K size. Normal file
system IOPS are 4K standard, which means, FusionIO won't do the
advertised random write IOPS in a database type applications  3.
bootable volume. This is another thing FusionIO lacks simply
because the storage card needs a PCI-express bridge driver in
the OS to get access.  Anything FusionIO does, you can do with
an array of cheaper SLC SS