Date: Tue, 30 Oct 2001 17:29:09 +0100 (CET) From: Alexander Leidinger <Alexander@Leidinger.net> To: ticso@cicely8.cicely.de Cc: ken@kdm.org, scsi@FreeBSD.ORG Subject: Re: repeating medium errors and error from "camcontrol defects" Message-ID: <200110301629.f9UGTAD07707@Magelan.Leidinger.net> In-Reply-To: <20011030170702.A466@cicely8.cicely.de>
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On 30 Okt, Bernd Walter wrote:
>> At the moment I try to squeeze some information (or pointers to docs)
>> about the on disk layout of FFS out of fs@freebsd.org. bde suggested to
>> just compare the files on the partition with the backup or just to read
>> every file on it and see which one produces errors (I'm going to do this
>> now), but I think a dedicated program which does the phys block ->
>> filename mapping needs less resources on a possible heavy loaded system.
>
> A directory entry (filename) points to an inode, which directly and
> indirectly points to the logical blocks inside the partition.
> There are no references for the way back.
> So the only way to find out is to traverse the directorys and inodes
> until you have found the inode and then to continue with the directorys
> until you found all remaining directory enties.
That's what I want to do.
Bye,
Alexander.
--
Reboot America.
http://www.Leidinger.net Alexander @ Leidinger.net
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