On Sat, Sep 17, 2005 at 11:31:12AM +0200, Burkhard Carstens wrote: > Am Freitag, 16. September 2005 21:09 schrieb Frank Blendinger: > > On Fri, Sep 16, 2005 at 10:02:13AM -0700, Mike Hardy wrote: > > > Frank Blendinger wrote: > > > > This is what I did so far: I got one of the two bad drives (the > > > > one that failed first) replaced with a new one. I copied the > > > > other bad drive to the new one with dd. I guess that not > > > > everything could be copied alright, I got 10 "Buffer I/O error on > > > > device hdg, logical sector ..." and about 35 "end_request: I/O > > > > error, hdg, sector ..." error messages in my syslog. > > > > > I am unable to find the beginning of this thread, so please excuse me if > this has already been said, but: > > You did use ddrescue, didn't you? Because dd, when it fails to read a > block, it won't write that block. That's why your superblock might have > "moved" about 45 sectors towards the beginning of the drive. > ddrescue writes a block with zeros when reading that block fails, so > every readable sector get copdied to its corresponding sector on the > new drive.. OK, thanks for the note, I am going to do a bad block scan with smart and then try again with ddrescue. I hope this will restore the superblock. Greets, Frank - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
