On Fri, May 23, 2014 at 09:19:49AM -0500, Johnny Hughes wrote: > On 05/22/2014 09:09 PM, Fred Smith wrote: > > Just wondering if there are any known issues with USB 3.0 storage devices > > in Centos 6.5?? > > > > I just got one of these: http://www.newegg.com/Product/Product.aspx?Item=N82E16817332028 > > > > it does either esata or USB 3.0. My new motherboard (ASUS M5A99X EVO > > R2.0) supports both, so I've tried both (of course, can't have a feature > > without at least giving it a whirl! :)). esata seems to work fine, > > I can copy gigs 'n gigs of data to it using the esata connection. > > > > however, with USB3 it works for a bit then something goes wonky... > > After copying some hundreds of megabytes (and I don't know if it is a > > consistent number or not) suddenly my C6 box starts reporting write > > errors. > > > > some investigation shows that /dev/sdc (and /dev/sdc1) no longer exist > > on the system. it takes a reboot to get it back. After which it'll > > work for a while then the same thing all over again. I've tried a > > different USB 3.0 cable but it makes no difference. > > I have that motherboard, but I have not used USB3 on it. I have used > USB3 via this card: > > http://www.amazon.com/gp/product/B00BB7TVMO > > and this one: > > http://www.amazon.com/gp/product/B006K25AX4 > > On two separate laptops ... with no problems with either. > > I would recommend that you have the latest firmware for the motherboard: > > http://bit.ly/1njpc2Y > > The last 2 BIOS updates are for USB ... the most recent one less than 2 > weeks ago (Version 2501, 2014.05.14) Thanks, Johnny! After posting I thought to go look for BIOS/firmware updates, and saw that. I've downloaded the latest, but haven't yet installed it. (I'm not excited by having to clear all my settings and then re-do them, but I"ll eventually get around to it. Fred -- ---- Fred Smith -- fredex at fcshome.stoneham.ma.us ----------------------------- But God demonstrates his own love for us in this: While we were still sinners, Christ died for us. ------------------------------- Romans 5:8 (niv) ------------------------------