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FreeBSD General Other questions regarding FreeBSD which do not fit in any of the categories below. |
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Hard drive error on boot 'READ_DMA timed out'
When booting FreeBSD 7.0 I get the following messages for my mates spare SATA drive:
ad7: FAILURE - READ_DMA48 timed out LBA=18446744073709551614 ad7: FAILURE - READ_DMA timed out LBA=18446744073709551599 ... The if I do a fdisk /dev/ad7 it shows me that it's a FreeBSD drive when in fact this is in Linux ext3 format. It shows up in sysinstall -> Configure -> Fdisk as Size 0, End is -1, Name is '-', PType of 12 and Desc of 'unused'. This drive was in a caddy and I have a feeling that someone plugged in the wrong power inlet whilst it was in the caddy. Is there a way to mount this drive and recover some of the data? It is only coming up with /dev/ad7 in the devices and I cannot mount this. When I try the command: mount -t ext2fs /dev/ad7 /mnt This gives me mount: /dev/ad7 : Input/output error Should I waste anymore time on this drive? It seems to be giving up/timing out in the kernel, is there a way to override this behavior and tell the kernel to keep trying and skip bad blocks? |
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