OCZ Revodrive (PCIe x4) vs. SATA3 SSD (6Gbps)?

William Park opengeometry-FFYn/CNdgSA at public.gmane.org
Sat Dec 24 04:11:48 UTC 2011


On Fri, Dec 23, 2011 at 10:40:48AM -0500, Lennart Sorensen wrote:
> On Fri, Dec 23, 2011 at 04:46:25AM -0500, William Park wrote:
> > My root filesystem can be trimmed down to 7GB.  So, is there a way to
> > create 16GB ramdisk and use that as root device?  I mean, sort of
> > ramdisk over a real disk, so that you can keep the data after reboot.
> 
> Linux's disk cache already covers an awful lot.  And conviniently caches
> the stuff you use, without wasting ram on the stuff you don't.
> Loading that ramdisk each boot would slow your boot time a lot.
> 
> There is unionfs, but that basicly allows you to have a readonly
> filesystem that all writes go to a different filesystem.  That's not
> helpful to do with a ramdisk, since then you loose all changes on reboot.
> 
> There does exist battery backed ram disks as far as I know, and those
> would make some sense since they would survice reboots.
> 
> For example: http://techreport.com/articles.x/16255

ACard product is old and can't compete with current SATA2 SSDs.  And,
their website don't mention any new product.  It's shame that SSD thing
is driven by Windows.  Because, all I need is 20GB of super fast disk,
which is not enough for Windows install. :-)
-- 
William
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