hi ya mroe fun stuff "drop tests" ... that person that tend to have "accidents" should be kept outof the lab and away from hardware ( ceo/cfo/managers dont wanna spend un-necessary $2K - $10k ( because somebody dropped it ... or dropped a screw in a running ( system on the other hand... that clumbsy tech/engineer is purrfect ina testing lab or qa lab where they do require drop tests for "submarine" applications have fun alvin - i never dropped a disks in 20 years... or mb or anything importnat/expensive - dropped lots of screws, screwdrivers into "turned off systems" while working on it - dropped tape drives too and sometimes the tape drives itself ejects the tapes too too fast - clumbsy me for not being able to catch the 'flying tape" as it ejects - a months worth of daily tapes ( we keep 30 days worth of tape ) takes up as much room as a 1U box.. - a 1U box can hold about 3 months worth of compressed data in our environment ... ( 3:1 compression on the average ) On Fri, 4 Oct 2002, Russell King wrote: > On Fri, Oct 04, 2002 at 02:24:19PM +0100, Dr. David Alan Gilbert wrote: > > Not sure about that; DLT tapes are pretty bulky themselves; I think the > > difference between say a set of 4 DLT tapes and a single Maxtor 320 in > > caddy would be minimal. > > The 4 DLT tapes would take up twice the room. > > > As for stored media, I think Maxtor are quoting > > 1M hours MTTF - (I hate to think how you measure such a figure) - for > > the 320G, and that is probably longer than I'd trust either the tape or > > the drive to survive. > > However, drive in caddy or no caddy, the accidental drop test would > probably be more favourable to the DLT tape surviving over the drive. > Physical accidents do happen. > > -- > Russell King (rmk@arm.linux.org.uk) The developer of ARM Linux > http://www.arm.linux.org.uk/personal/aboutme.html > > - > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
