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Hard drives do have a multitude of error correction methods in place to prevent data corruption. Hard drives are divided into sectors, from which some may become completely unwritable / unreadable or return wrong data through data corruption - let's call the first bad sector corruption and the latter silent data corruption. Bad Sector Corruption The first ...


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From man mdadm(8): Changing the number of active devices in a RAID5 or RAID6 is much more effort. Every block in the array will need to be read and written back to a new location. From 2.6.17, the Linux Kernel is able to increase the number of devices in a RAID5 safely, including restarting an interrupted "reshape". From 2.6.31, the Linux Kernel ...


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For the first question: When I try to mount the /dev/sda1 hard drive with the command mount -o barrier=0 /dev/sda1 it gives me this message: mount: can't find /dev/sda1 in /etc/fstab or /etc/mtab How can i fix this, so i can backup all of my stuff? The answer is that mount looks for mount points in either /etc/fstab or /etc/mtab, but none is ...



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