On Mon 2009-03-16 19:40:57, Sitsofe Wheeler wrote: > On Mon, Mar 16, 2009 at 01:30:51PM +0100, Pavel Machek wrote: > > + Unfortunately, none of the cheap USB/SD flash cards I've seen > > + do behave like this, and are thus unsuitable for all Linux > > + filesystems I know. > > When you say Linux filesystems do you mean "filesystems originally > designed on Linux" or do you mean "filesystems that Linux supports"? "Linux filesystems I know" :-). No filesystem that Linux supports, AFAICT. > Additionally whatever the answer, people are going to need help > answering the "which is the least bad?" question and saying what's not > good without offering alternatives is only half helpful... People need > to put SOMETHING on these cheap (and not quite so cheap) > devices... The According to me, people should just AVOID those devices. I don't plan to point the "least bad"; its still bad. > > + hdparm -I reports disk features. If you have "Native > > + Command Queueing" is the feature you are looking for. > > The document makes it sound like nearly everything bar battery backed > hardware RAIDed SCSI disks (with perfect firmware) is bad - is this > the intent? Battery backed RAID should be ok, as should be plain single SATA drive. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
