Are you sure it's not capacitor plague? Easy to fix with a smd rework station
On Oct 17, 2016 12:55 PM, "Scott Lambert via Mikrotik-users" < mikrotik-users@wispa.org> wrote: > We deployed a lot of RB493Gs a few years back. They are starting show > 80 to 95% bad blocks on their flash storage. I've been losing two to > three per month for a few months now. > > The initial symptom is the automated ssh process which gathers IP pool > utilization to feed MRTG starts reporting that it cannot log in. When I > go to look at the problem, all users are gone and I can only log in as > admin with no password. They do not survive a reboot. But so far, if I > don't reboot them, they keep doing what they were supposed to do. They > just allow anyone to login with the default username and password. > > So far, I've not lost any RB450Gs, but beings from the same family, I > half expect them to start going. I have many fewer of those. > > I'm not upset about losing these things after 3 to 5 years. I am curious > if others are seeing the same thing happen on your networks. > > If others have left their RB493Gs on older firmware and are not seeing > issues, maybe it's a 6.30+ issue on RB493G bug? Most of my have been > brought up to 6.30+ to work around some PPPoE + mangle/queue tree > issues. (The MSS mangle rules don't get inserted before rule 0 leading > to PathMTU issues.) > > If it is happening to others, maybe I need to order 16 to 21 > replacements and do some preventative swaps. > > "RouterOS RB493G","6.34.6" > "RouterOS RB493G","6.32.3" > "RouterOS RB493G","6.34.4" > "RouterOS RB493G","6.7" > "RouterOS RB493G","6.32.3" > "RouterOS RB493G","6.34.6" > "RouterOS RB493G","6.34.6" > "RouterOS RB493G","6.30.4" > "RouterOS RB493G","6.34.4" > "RouterOS RB493G","6.30.4" > "RouterOS RB493G","6.32.3" > "RouterOS RB493G","6.18" > "RouterOS RB493G","6.18" > "RouterOS RB493G","6.7" > "RouterOS RB493G","6.18" > "RouterOS RB493G","6.30.4" > > "RouterOS RB450G","6.7" > "RouterOS RB450G","6.32.3" > "RouterOS RB450G","6.32.3" > "RouterOS RB450G","6.34.6" > "RouterOS RB450G","6.34.6" > "RouterOS RB450G","6.27" > "RouterOS RB450G","6.34.3" > > -- > Scott Lambert KC5MLE Unix SysAdmin > lamb...@lambertfam.org > _______________________________________________ > Mikrotik-users mailing list > Mikrotik-users@wispa.org > http://lists.wispa.org/mailman/listinfo/mikrotik-users >
_______________________________________________ Mikrotik-users mailing list Mikrotik-users@wispa.org http://lists.wispa.org/mailman/listinfo/mikrotik-users