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Forum Discussion
ReadyNAS 314 - a year of hell and now lost 10years of data!
I bought a ReadyNAS 314 when they were new in the market back in April 2013. I bought it partly because I wanted to safeguard my increasing data storage with redundancy in case of disk failure, and al...
On linux you can get smart output with:
smartctl -a /dev/sda (or whatever your device is)
If it hasn't had a successful read in 4.2 hours I think I'd give up. Drive timeouts are typically 30 seconds for a read. I doubt ddrescue is doing that many retries so basically it's skipping 10MB every 30 seconds. You've got about 1/6th of the drive done so if no other reads work, worst case you've got 250000 timeouts ahead of you (125000 minutes yikes!). Since both drives did this, there is a very slim chance that this form of read/write exercise is exposing either some bug in the firmware or exacerbating the hw problem. You may want to power cycle the drive and try different ddrescue settings. Maybe smaller read/writes. It's worth a shot.
steve
smartctl -a /dev/sda (or whatever your device is)
If it hasn't had a successful read in 4.2 hours I think I'd give up. Drive timeouts are typically 30 seconds for a read. I doubt ddrescue is doing that many retries so basically it's skipping 10MB every 30 seconds. You've got about 1/6th of the drive done so if no other reads work, worst case you've got 250000 timeouts ahead of you (125000 minutes yikes!). Since both drives did this, there is a very slim chance that this form of read/write exercise is exposing either some bug in the firmware or exacerbating the hw problem. You may want to power cycle the drive and try different ddrescue settings. Maybe smaller read/writes. It's worth a shot.
steve
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