[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index] [Thread Index]

Re: dd_help missing from stretch repos



Stefan Monnier composed on 2018-03-16 08:38 (UTC-0400):

>> My new 2TB HD just arrived. Old 1.5TB to be rescued, made in 2010, has
>> 8 pending sectors reported by smartctl.

> FWIW, there's a good chance that your old drive is still perfectly
> usable: after backing up your data, a pass of overwriting the whole disk
> (e.g. dd </dev/zero >/dev/sdXX) will probably bring the number of
> "pending sectors" back to zero (if overwriting doesn't bring it down to
> 0, and/or overwriting itself fails with write errors that would indicate
> that the disk is indeed in poor shape).

The disk probably isn't worth the risk.
https://www.backblaze.com/blog/hard-drive-reliability-q3-2015/ reported a 23.87%
failure rate for the 2013-2015 period at an average age of 67.9 months for the
model.

>> I see gddrescue in the repos, but my experience with dd_rehelp is only
>> favorable. Can someone tell me how they compare, or even if they are comparable?

> dd_rhelp is an old shell script around the old dd_rescue program.

> GNU ddrescue is a newer tool doing the same thing as dd_rhelp without
> needing dd_rescue.

I wound up using gddrescue on Stretch, and everything not lost wound up in
lost+found.

>> Do Debian users simply extract the script from the lastest archive version on
>> www.kalysto.org and run it?

> No, I think they use GNU ddrescue instead.

To see more about the ordeal, see:
<https://www.linuxquestions.org/questions/linux-hardware-18/e2fsck-short-read-on-inode-scan-4175625180/>
-- 
"Wisdom is supreme; therefore get wisdom. Whatever else you
get, get wisdom." Proverbs 4:7 (New Living Translation)

 Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!

Felix Miata  ***  http://fm.no-ip.com/


Reply to: