Date: Thu, 06 Mar 1997 03:23:50 +0300 From: Dmitry Morozovsky <marck@rinet.ru> To: Joerg Wunsch <joerg_wunsch@uriah.heep.sax.de> Cc: freebsd-hardware@freebsd.org Subject: Re: NCR 810 troubles Message-ID: <331E0E96.42F9@rinet.ru> References: <freebsd.hardware/Mutt.19970305235715.j@uriah.heep.sax.de>
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J Wunsch wrote: > > As Dmitry Morozovsky wrote: > > > After upgrading newsserver from cnews to inn, > > regularly, there are very sad things such as: > > > > Mar 5 16:38:50 gw2 /kernel: ncr0: restart (ncr dead ?). > > Mar 5 16:38:51 gw2 /kernel: sd5(ncr0:4:0): UNIT ATTENTION asc:29,0 > > Mar 5 16:38:51 gw2 /kernel: sd5(ncr0:4:0): Power on, reset, or bus device reset occurred > > Mar 5 16:38:51 gw2 /kernel: , retries:3 > > Mar 5 16:38:51 gw2 /kernel: sd3(ncr0:0:0): UNIT ATTENTION asc:29,0 > > Mar 5 16:38:51 gw2 /kernel: sd3(ncr0:0:0): Power on, reset, or bus device reset occurred field replaceable unit: 14 > > Normally, this wouldn't even lead to a crash. I've got a flakey disk > that i can often ``cure'' by powering it off... after which i also see > the unit attention, where the next retry will get everything back > online. > > If it crashes for you, and the unit attentions appear all of a sudden, > i suspect you've got a broken (or overloaded) power supply. First, there was mistype with model name. Second, power supply is definitely *not* overloaded, because it is separated in external SCSI box and used only for these 3 disks. Maybe, however, there's one of 3 disks partially broken with power connector; however, it was used for long time previously at other place and never fails. I'll check whether single disk disappears... Sincerely, D.Marck
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