On Mon, 03 Nov 2008, Robert E A Harvey <[EMAIL PROTECTED]> writes: > I used to operate a whole bunch of Solaris systems on survey ships, > and power-loss situations were always fraught. > > My thoughts: ReiserFS is still available and stable, why not use it > for a year and see what happens?
Actually, I'm inclined going in that direction too. In Turkish we have a saying: "While wise one looks around for a bridge, mad on gets across the river by swimming." > My other thought: Hardly a recommendation, because I have not tried > it, but have you looked at http://jfs.sourceforge.net/? You could put > it on an old box and pull the power cord half a dozen times to see > what happens After all, JFS also does meta-data journaling. I don't think it'll bring much more features than ReiserFS, except a so called community support. > Passing thought: I've worked with instruments that use real-time > linux, and most of those had a crash-proof file system of one sort or > another. A bit of research into what they use might be good. I do > know that Arcom use what they call "Compressed Journalling Flash File > System (JFFS2)", but there are larger real-time systems with hard > disks. One data acquisition system I used just used ext3 but mounted > nosync. It didn't cause much trouble. I've neither used, nor heard anyone using a JFFS[2] on a production server, except embedded devices. Any experiences? > It is the obvious solution: rig the serial output from the UPS to > trigger a shutdown immediately. > > It is possible hough that the UPS may not be large enough to provide > the amps required for all those servers during normal operation. I too > have worked in Banana republics and on ships where the UPS is more > trouble than it is worth. Word. Regards. -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
