On Sat, 19 Mar 2016 17:37:04 +1000 Noel Butler <noel.but...@ausics.net> wrote:
> On 14/03/2016 18:49, Stephan von Krawczynski wrote: > > > >> > >> and you've never seen these cause problems with FS? then you must be > >> a > >> newbie, in over 25 years I've seen it happen several times - yes even > >> after an apparent controlled shutdown. > > > > Maybe you're doing something wrong then. because in my last 21 years > > working > > exactly in this business I've not seen a single deadly fs-crash because > > of a > > power-outage. Not one. And we had of course several, all backed by UPS. > > Consider yourself lucky, Most network admins whove been around large > busy ISP DC's have seen this in their lifetime, to not have seen one is > rare, go buy yourself a lotto ticket :) > > > > > If your servers get drowned with water during a fire your fs is > > probably the > > least of your worries. You don't really plan to re-enable servers with > > water- or fire-damage, do you? That's probably why there shouldn't be a > > fireman pouring water in the first place. > > This shows you dont understand structural engineering, the fire does not > have to be on your floor, it can be far away as two or so levels above, > with the high pressure water used - equating to a shitload of water, > there are ducts, shafts, other risers and so on that with a shit-tone of > water can easily penetrate fireblocks of floors below - dont take my > work, go ask a fireman, or maybe watch the nightly news sometime > (building fire - many levels water affected blah blah blah)... so > keeping those boxes on via UPS's is asking for lots of charcoaled boards > and fried drives. IOW, total stupidity. > > Should those machines be depowered as required by our building codes, > well, might take a few days of drying out but at least they will power > back up without error - yes, done it in risk assessments. Obviously you must work for people that have not the slightest idea about using hardware in a correct way and don't know when the time has come to throw it away. Man, there is no way to let a drowned box survive. It is not back to normal when it is dry. If you don't get that I am pretty happy to be no customer. This can only be an idea born in the sick mind of a controller who didn't want to pay insurance in the first place. We are talking about serious corrosion effects here let alone that you have a hard time even knowning when your boxes are really dry. Your fireman on the other hand seem to be stuck in the 80ths. Today there are solar panels almost everywhere _which you cannot turn off_. Sure you have a switch somewhere, but it does not help you for the space between the switch and the roof (which can be a pretty long distance). Really, sorry, I don't want to listen to more horror stories from you operating drowned equipment. And in the end: considering your "large busy ISP DC's" they should have backup DCs located elsewhere with mirrored data, right? Lets please end that now and for all. -- Regards, Stephan