"Douglas Eadline" <deadl...@eadline.org> wrote > Indeed why use rails at all.
Lack of access to the side mount screws when installed. A certain rack used to be located in a room such that there was access (albeit with minor contortions by the operator) to all screws and connections. Consequently it was ordered without rails. When it moved to its present location, where it is flanked on one side by another rack, and on the other by shelves, several of the side mounting screws became incredibly difficult to remove. All are still possible, but the worst ones require severe contortions by the operator and "blind" removal/insertion of screws. You can well imagine how I found this out. It is possible to roll the rack forward instead to gain easier access to the sides, but that takes longer than the contortions: unbolt it from the earthquake clamps at the top (using a ladder and socket set), crank up all 4 feet (with a wrench), roll it forward to gain access, then reverse to put it away. One other point, if the bottom node in a stack isn't on rails, then removing that node ceases to be a trivial one man operation. I use a length of unistrut and some chunks of wood to temporarily support these sorts of nodes when they need to be serviced. Regards, David Mathog mat...@caltech.edu Manager, Sequence Analysis Facility, Biology Division, Caltech _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf