In 6.something they added a flash refresh feature. Maybe this is prematurely killing the flash or just showing an issue before it becomes one. Hard to tell.
I've had a few devices with flash that fails, but not as much as you describe. Justin Miller VA SkyWire, LLC 3114 W Marshall St, Ste A Richmond, VA 23230 Office: (804) 521-4212 Desk: (804) 591-0500 ext 101 Fax: (804) 591-1559 jus...@vaskywire.com > On Oct 17, 2016, at 6:20 PM, TJ Trout via Mikrotik-users > <mikrotik-users@wispa.org> wrote: > > 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
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