On Fri, Apr 23, 2010 at 6:47 PM, Mikael Abrahamsson <swmike@xxxxxxxxx> wrote: > On Fri, 23 Apr 2010, Michael Evans wrote: > >> devices, but now everyone is selling SDDs which are broken for such >> needs. Any ram drive units still being sold seem to be more along >> data-center grade sizes. > > http://benchmarkreviews.com/index.php?option=com_content&task=view&id=308&Itemid=60 > > Basically it's DRAM with a battery backup and a CF slot where the data goes > in case of poewr failure. It's a bit big and so on, but it should be perfect > for journals... Or is this the kind of device you were referring to as "data > center grade size"? > > Some of te SSDs sold today have a capacitor for power failure as well, so > all writes will complete, but they're not so common. > > -- > Mikael Abrahamsson email: swmike@xxxxxxxxx > Yeah, that's in the range I call 'data center grade' since the least expensive model I can find using search tools is about 236 USD. For that price I could /buy/ two to three hard drives and get nearly the same effect by reusing old drives (but wasting more power). I should be able to find something with a cheep plastic shell for mounting and a very simple PCB that has slots for older ram of my selection, and a minimal onboard CPU for less than 50USD; I seriously doubt the components cost that much. -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
