Date: Mon, 16 Apr 2018 14:44:51 +0000 From: Ultima <ultima@ultimasbox.com> To: Polytropon <freebsd@edvax.de> Cc: Ernie Luzar <luzar722@gmail.com>, FreeBSD Mailing List <freebsd-questions@freebsd.org> Subject: Re: ntfs HD with io errors Message-ID: <CANJ8om52WPNH7eDwwddAejcxmEf9Pma7jaT0EnK%2BP2pejNniHg@mail.gmail.com> In-Reply-To: <20180416163812.ed284db3.freebsd@edvax.de> References: <5AD4AE2A.80400@gmail.com> <20180416163812.ed284db3.freebsd@edvax.de>
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This is a 3 TB disk and spinrite can only scan the first 2 TB's. Usually that would be enough if the product can fix it, but it is worth noting. On Mon, Apr 16, 2018, 7:39 AM Polytropon <freebsd@edvax.de> wrote: > On Mon, 16 Apr 2018 10:07:38 -0400, Ernie Luzar wrote: > > Have a 3TB ntfs HD with i/o errors. > > > > ntfs-3g does read it, but a ls command of 2 different directories get > > error msg about i/o errors and nothing is listed. > > > > Is there a way to fsck this HD to fix it? > > This depends on the actual reason for the error message. > As it has been suggested, Spinrite can do a great job > to "re-activate" broken disks, at least for copying > their content once. Also check the tools in "ntfsprogs", > one might be able to repair the file system... but I/O > errors often indicate hardware failure. Have you tried > to get a smartctl report for the disk yet? > > > > > There is only 600GB of data on the 3TB HD. Looking for way to copy the > > data to a 1TB ufs HD. > > > > > What will dump command do with i/o errors? > > With dump, you can only process UFS file systems (as > input); NTFS does not support it. > > > > > Can dd command skip over unused space? > > I think it can. You can also try dd_rescue or ddrescue > which can handle I/O errors much better than stock dd, > for example by using a dynamically adjusted block size > for reading, or performing several attempts on a failed > block. > > > > > Any other ideas? > > Find out if you have a hardware error or a filesystem > inconsistency. > > Oh, and give Spinrite a try, it's really a great tool. > Why isn't it on my list?! ;-) > > In worst case, use magicrescue to get at least the data, > in case you might not be able to get the sorting information > (directory hierarchy and file systems lost). > > > > > -- > Polytropon > Magdeburg, Germany > Happy FreeBSD user since 4.0 > Andra moi ennepe, Mousa, ... > _______________________________________________ > freebsd-questions@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to " > freebsd-questions-unsubscribe@freebsd.org" >
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