On Mar 25, 2014, at 3:38 PM, Jeff Weinberger <[email protected]> wrote:
> My acute sense of the obvious failed me on that one. Thank you for reminding
> me.
>
> However, Disk Utility can't (or won't) mount it or even acknowledge it. I
> can't copy it to any of the Macs in the house, and I can't open it (now I get
> "no readable file system").
>
> If I could delete it, I could start over - it would not be a big deal in this
> case.
>
> But I also suspect something with the Time Capsule disk - any suggestions for
> how to repair this?
If you can’t copy the sparcebundle, then chances are very good that the
physical disk is failing. And based on what you have described, there is a very
good chance that one of the physical sectors underlying at least one of the
sparcebundle stripes was involved in this failure. If you can’t get it mounted,
then there is a very good chance that it is so corrupted that you are not going
to get much from it (disk images are not as robust as physical disks this way).
As a last resort, sometimes damaged disk images will open with:
hdiutil attach -noverify -ignorebadcheckums -noautofsck
Even if it opens I would expect data corruption. But if you are getting
"no readable file system" then there is a good chance that the volume headers
are gone, and that makes recovery even more difficult (certainly beyond me).
—
Karl Kuehn
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