Date: Tue, 28 Oct 2014 15:36:36 +0100 From: Dominic Fandrey <kamikaze@bsdforen.de> To: Ian Lepore <ian@FreeBSD.org>, Ronald Klop <ronald-lists@klop.ws> Cc: freebsd-stable@freebsd.org Subject: Re: File system issues Message-ID: <544FA9F4.1040309@bsdforen.de> In-Reply-To: <1414418314.17308.2.camel@revolution.hippie.lan> References: <544BC863.2040607@bsdforen.de> <20141025183600.GG66862@home.opsec.eu> <544C0DA3.1060201@bsdforen.de> <op.xodr4gaskndu52@ronaldradial.radialsg.local> <1414418314.17308.2.camel@revolution.hippie.lan>
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On 27/10/2014 14:58, Ian Lepore wrote: > On Mon, 2014-10-27 at 09:49 +0100, Ronald Klop wrote: >> On Sat, 25 Oct 2014 22:52:51 +0200, Dominic Fandrey <kamikaze@bsdforen.de> >> wrote: >> >>> On 25/10/2014 20:36, Kurt Jaeger wrote: >>>> Hi! >>>> >>>>> Two or 3 days ago, after an update to stable/10 my UFS file system >>>>> started acting weird. I have freezes and files disappearing from the >>>>> system. >>>>> >>>>> The first time that happened SU+J failed me. >>>> >>>> I always disable journaling >>> >>> I think that's just a symptom here. The issue is stuff mysteriously >>> disappearing from my file system on a running system. >>> >>> >> >> Hi, >> >> Weird stuff. If you read the following mail thread there is a confirmed >> problem with fsck on ARM systems with disappearing files. >> http://lists.freebsd.org/pipermail/freebsd-arm/2014-September/009168.html >> It also states that the same problem does not occur on other platforms >> (and I can fsck my ARM systems usb-stick on a amd64 system successfully), >> but I thought it is worth mentioning. >> > > It seems unlikely to be related, but it would be easy to test: > > mdconfig -a -t malloc -s 64m > # assume that created unit 0 > newfs /dev/md0 > fsck -t ffs /dev/md0 > > If that reports errors, you've got the problem. If it doesn't, it's > some other problem. So far the problem exposed by the sequence above > happens only on one specific type of old low-end arm system; it hasn't > yet been reproduced on even other arm systems, let alone other arches. Thanks, I ran it and I didn't get any errors. By now I decided to implement desperate measures. dump -0;newfs;restore No more problems so far. I didn't have the spare space to make a complete FS image. :( So whatever the cause, it will remain undiscovered. Regards -- A: Because it fouls the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing on usenet and in e-mail?
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