On Mon, Sep 12, 2016 at 3:13 PM, Daniel Sanabria <sanabria.d@xxxxxxxxx> wrote: > Error: Invalid argument during seek for read on /dev/sdc > Retry/Ignore/Cancel? R > Error: Invalid argument during seek for read on /dev/sdc > Retry/Ignore/Cancel? I > Error: The backup GPT table is corrupt, but the primary appears OK, so > that will be used. > OK/Cancel? O > Model: ATA WDC WD30EZRX-00D (scsi) > Disk /dev/sdc: 3001GB > Sector size (logical/physical): 512B/4096B > Partition Table: unknown > Disk Flags: What version of parted? This looks like a problem due to the error, followed by "primary appears OK" but instead of using that like it says, it reports the Partition Table as unknown. Not expected. > Error: Invalid argument during seek for read on /dev/sde > Retry/Ignore/Cancel? C > Model: ATA WDC WD30EZRX-00D (scsi) > Disk /dev/sde: 3001GB > Sector size (logical/physical): 512B/4096B > Partition Table: unknown > Disk Flags: And the same thing with a second drive? What are the chances? Can you post a complete dmesg somewhere? Are these two drives on the same controller? smartctl -x for each drive? -- Chris Murphy -- 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