When a sector is added to the bad block list, the original block is not 0'd out. Secure erase won't mark the sector as bad. (I often do this process to recover older disks) If you do decide to do this, I'd also recommend running SMART surface-area selftest afterwards and checking the SMART log, whether the test completed succesfully or not - if it did, then secure erase managed to successfully reallocate those sectors. booting Linux from a USB-stick and performing it there with hdparm is probably the easiest way. There are multiple utilities for that, but e.g. If you don't wish to go that route, an way of forcing the disk's firmware to mark the sector bad and allocate another one from the spare-area is to perform ATA Secure Erase on it. ![]() If it's a brand new drive with bad sectors, I'd RMA it immediately. ![]() ![]() CRC-error means that there are bad sectors on the disk.
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