<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>Am 17.08.2008 um 17:42 schrieb Noob Centos Admin:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr"><br><br><div class="gmail_quote">On Fri, Aug 15, 2008 at 8:56 AM, Filipe Brandenburger <span dir="ltr"><<a href="mailto:filbranden@gmail.com">filbranden@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <div class="Ih2E3d">On Wed, Aug 13, 2008 at 18:43, Bill Campbell <<a href="mailto:centos@celestial.com">centos@celestial.com</a>> wrote:<br> > My experience with Firewire has not been all that good. I figured that<br> > since Apple had been using it for years, and it is an IEEE standard, that<br> > Firewire would be more reliable than USB. I was also a bit wary as the USB<br> > disk drivers on SuSE gave warning messages saying they might not be very<br> > reliable.<br> <br> </div>Same here. I just migrated our backups from Firewire 800 to USB2,<br> because the Firewire was causing us a kernel crash per week and we<br> were having to reboot our server because of the backup drives. This on<br> three different machines, one running SuSE 10 and two others with<br> CentOS 5 with the centosplus kernel.<br> <br>I haven't had any problem with the machine since the FW drive was plugged in and left plugged in since I have not been physically back on location. What causes this crash and how would I know it is related to FW or not, in the event but hopefully never, the system does crash?</blockquote> <div> </div></div></div></blockquote><br></div><div><br></div><div>Some drivers don't seem to cope very well with the spurious bus-resets and disconnects that seem to plague most firewire drives.</div><div>I once had to move 750 GB to two FW drives because I had to rebuild a SATA2-RAID on a different controller.</div><div>At that time, my FreeBSD6.2 notebook (with Firewire on board) even seemed a bit faster (with USB2) than the SLES9 server (Dual Precott Xeons) with Firewire 800.</div><div>But FreeBSD also crashed from time to time, though it seemed to handle bus-resets and link-losses a bit better.</div><div>Getting a card that was supported on SLES was funny anyway - SuSE would not recommend a card to buy, because nobody knows which cards contain which chips.</div><div>If it doesn't work, buy another one.</div><div>Repeat until it works....</div><div><br></div><div>More recently, a 1 TB WD "MyBook" (USB) just died in the process of moving 700 GB of files on it.</div><div>Moral of the story:</div><div>- Firewire is cool (I _love_ the target-mode in my Macs), but the implementation sucks most of the the time.</div><div>- USB2.0 doesn't suck much less. It's just used more widely and obvious bugs show up often enough so that they might get fixed (in a revision of the hardware you don't own...)</div><div>- in my book, USB means "Useless Serial Bus" - because it's obviously not suited for much more than keyboards, mice and the occasional camera)</div><div><br></div><div><br></div><div><br></div><div><br></div><div>Rainer</div></body></html>