Gentoo Archives: gentoo-user

From: Dale <rdalek1967@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] Re: is ddrescue this slow?
Date: Sun, 10 Jan 2010 11:05:12
Message-Id: 4B49B41C.8090202@gmail.com
In Reply to: Re: [gentoo-user] Re: is ddrescue this slow? by Stroller
1 This help? Should be plain text.
2
3 Dale
4
5 :-) :-)
6
7 Stroller wrote:
8 > Would love to comment on this. Is it possible you could resend this
9 > post in plain text format?
10 >
11 > Stroller.
12 >
13 >
14 > On 10 Jan 2010, at 02:08, Valmor de Almeida wrote:
15 >
16 >>
17 >> Indeed I am using GNU ddrescue and the -n flag is supposed to
18 >> expedite the recovery of data as posted in
19 >> http://www.cgsecurity.org/wiki/Damaged_Hard_Disk
20 >>
21 >> "The best solution - both faster and more efficient - seems to be
22 >> Antonio Diaz's 'ddrescue' (ddrescue
23 >> <http://savannah.gnu.org/projects/ddrescue/>)"
24 >>
25 >> # first, grab most of the error-free areas in a hurry:
26 >> ./ddrescue -n /dev/old_disk /dev/new_disk rescued.log
27 >> # then try to recover as much of the dicy areas as possible:
28 >> ./ddrescue -r 1 /dev/old_disk /dev/new_disk rescued.log
29 >>
30 >>
31 >>
32 >> expectation, not a reasoned one. I think the best thing he can do
33 >> is hold his breath, wait until its finished and see how if the
34 >> results are readable, after running `fsck` on the mounted filesystem.
35 >>
36 >>
37 >> The first step above finished; don't know how long it took but it was
38 >> a long time (maybe 20 hours or more?) and the screen output was
39 >>
40 >> Press Ctrl-C to interrupt
41 >> Initial status (read from logfile)
42 >> rescued: 0 B, errsize: 0 B, errors: 0
43 >> Current status
44 >> rescued: 58811 MB, errsize: 48909 kB, current rate: 83 B/s
45 >> ipos: 58860 MB, errors: 95, average rate: 1365 kB/s
46 >> opos: 58860 MB, time from last successful read: 0 s
47 >> Copying non-tried blocks...
48 >> ddrescue: write error: Input/output error
49 >>
50 >