Re: [gentoo-user] data recovery advice needed

2018-12-19 Thread Grant Taylor
On 12/19/2018 03:16 PM, Mick wrote: Grant, you're spot on! /me looks around wondering what he did and if he needs to run and hide. Symbol: EFI_PARTITION [=n] Oops. That will certainly mess with you. I was under the impression I had it enabled, but clearly I hadn't on this PC; which has a

Re: [gentoo-user] data recovery advice needed

2018-12-19 Thread Mick
On Wednesday, 19 December 2018 18:46:40 GMT Grant Taylor wrote: > On 12/19/2018 04:43 AM, Mick wrote: > > Partition table holds up to 128 entries > > 128 entries tells me that the disk has GPT partition table, not a > classis MS-DOS / PC-BIOS partition table. > > This sounds like the (what I und

Re: [gentoo-user] data recovery advice needed

2018-12-19 Thread Grant Taylor
On 12/19/2018 04:43 AM, Mick wrote: I ran ddrescue while the drive was still on the laptop. The clone was on the USB caddy. ACK The disk block device is there and so is the first partition (only): ls -la /dev/sdb* brw-rw 1 root disk 8, 16 Dec 19 11:20 /dev/sdb brw-rw 1 root disk 8,

Re: [gentoo-user] data recovery advice needed

2018-12-19 Thread Mick
On Tuesday, 18 December 2018 21:28:38 GMT Marc Joliet wrote: > Just to add a personal anecdote: I once had an external drive that I thought > had broken (it made the "clicks of death"), but after taking it out of its > USB enclosure and connecting it directly via IDE (shows how old the drive > was

Re: [gentoo-user] data recovery advice needed

2018-12-19 Thread Mick
On Tuesday, 18 December 2018 18:51:55 GMT Grant Taylor wrote: > On 12/18/2018 10:42 AM, Mick wrote: > > I know others have commented on the reliability of recovering data from > > drives connected via USB caddy, but I have had satisfactory results on a > > number of cases. > > I think it completel

Re: [gentoo-user] data recovery advice needed

2018-12-18 Thread Marc Joliet
Am Dienstag, 18. Dezember 2018, 16:56:02 CET schrieb Grant Taylor: > On 12/18/2018 05:21 AM, Wols Lists wrote: > > I really don't trust USB and hard drives > > IMHO external USB drive enclosures (physical enclosure, USB to SATA / > PATA / ??? adapter, (no)fan) are suboptimal at best and are most l

Re: [gentoo-user] data recovery advice needed

2018-12-18 Thread Grant Taylor
On 12/18/2018 10:49 AM, Jack wrote: I should be in good shape there.  The partition's new location should have the first half intact, and since the overwriting was of the first part of the old location, it's second half should be intact.  The files should all be there - but I imagine I might ha

Re: [gentoo-user] data recovery advice needed

2018-12-18 Thread Grant Taylor
On 12/18/2018 10:42 AM, Mick wrote: I know others have commented on the reliability of recovering data from drives connected via USB caddy, but I have had satisfactory results on a number of cases. I think it completely depends on the type of problem. In my experience, SATA-to-USB adapters do

Re: [gentoo-user] data recovery advice needed

2018-12-18 Thread Mick
On Tuesday, 18 December 2018 17:49:37 GMT Jack wrote: > On 2018.12.18 12:42, Mick wrote: > [snip...] > > > So, I used losetup with --offset on the failing drive itself over USB > > 2.0 and was able to mount and recover all the NTFS files. > > I definitely need to read up on that one - I totally u

Re: [gentoo-user] data recovery advice needed

2018-12-18 Thread Jack
On 2018.12.18 12:42, Mick wrote: [snip...] So, I used losetup with --offset on the failing drive itself over USB 2.0 and was able to mount and recover all the NTFS files. I definitely need to read up on that one - I totally unfamiliar with it. Over the years I've used clonezilla, ddrescue, te

Re: [gentoo-user] data recovery advice needed

2018-12-18 Thread Jack
On 2018.12.18 07:21, Wols Lists wrote: On 17/12/18 19:32, Jack wrote: ddrescue has now been running for almost 22 hours, and it's been 47 seconds less than that since its last successful read. Doesn't sound good. Just to throw my tuppence-worth of bad news into the mix, are your drives in U

Re: [gentoo-user] data recovery advice needed

2018-12-18 Thread Mick
On Tuesday, 18 December 2018 17:11:28 GMT Jack wrote: > On 2018.12.18 04:43, Peter Humphrey wrote: > > On Monday, 17 December 2018 23:19:39 GMT Jack wrote: > >> At this point, I think I've forgotten the details, but using the > >> example of a 300G drive with 100G empty and then a 200G partition, >

Re: [gentoo-user] data recovery advice needed

2018-12-18 Thread Jack
On 2018.12.18 04:43, Peter Humphrey wrote: On Monday, 17 December 2018 23:19:39 GMT Jack wrote: At this point, I think I've forgotten the details, but using the example of a 300G drive with 100G empty and then a 200G partition, when I moved the partition to the beginning of the disk (using

Re: [gentoo-user] data recovery advice needed

2018-12-18 Thread Grant Taylor
On 12/18/2018 05:21 AM, Wols Lists wrote: I really don't trust USB and hard drives IMHO external USB drive enclosures (physical enclosure, USB to SATA / PATA / ??? adapter, (no)fan) are suboptimal at best and are most likely to work when all the components are happy. I view them as the weak

Re: [gentoo-user] data recovery advice needed

2018-12-18 Thread Dale
Wols Lists wrote: > On 17/12/18 19:32, Jack wrote: >> ddrescue has now been running for almost 22 hours, and it's been 47 >> seconds less than that since its last successful read. > Doesn't sound good. Just to throw my tuppence-worth of bad news into the > mix, are your drives in USB enclosures? I

Re: [gentoo-user] data recovery advice needed

2018-12-18 Thread Wols Lists
On 17/12/18 19:32, Jack wrote: > ddrescue has now been running for almost 22 hours, and it's been 47 > seconds less than that since its last successful read. Doesn't sound good. Just to throw my tuppence-worth of bad news into the mix, are your drives in USB enclosures? I really don't trust USB a

Re: [gentoo-user] data recovery advice needed

2018-12-18 Thread Peter Humphrey
On Monday, 17 December 2018 23:19:39 GMT Jack wrote: > At this point, I think I've forgotten the details, but using the > example of a 300G drive with 100G empty and then a 200G partition, when > I moved the partition to the beginning of the disk (using gparted, as I > remember) once it moved more

Re: [gentoo-user] data recovery advice needed

2018-12-17 Thread Jack
On 2018.12.17 17:32, Heiko Baums wrote: Am Sat, 15 Dec 2018 18:33:35 -0500 schrieb Jack : Some months ago, I borked a laptop HDD by trying to move a partition in a way that left both the old and new partitions invalid. (For my sanity, I've forced the details out of my memory, but the old an

Re: [gentoo-user] data recovery advice needed

2018-12-17 Thread Heiko Baums
Am Sat, 15 Dec 2018 18:33:35 -0500 schrieb Jack : > Some months ago, I borked a laptop HDD by trying to move a partition > in a way that left both the old and new partitions invalid. (For my > sanity, I've forced the details out of my memory, but the old and > new locations overlapped, and I th

Re: [gentoo-user] data recovery advice needed

2018-12-17 Thread Grant Taylor
On 12/17/2018 12:42 PM, Rich Freeman wrote: There is of course no guarantee that it will EVER successfully read all your data. You might be able to tell it to skip blocks and move on. Obviously all it can do is keep asking the drive to try again. If you want better than that then you're talki

Re: [gentoo-user] data recovery advice needed

2018-12-17 Thread Grant Taylor
On 12/17/2018 12:32 PM, Jack wrote: The other drive failed over a shorter period of time, even though SMART testing said all was OK. IMHO, by the time that S.M.A.R.T. complains, most chances of data retrieval are gone. I treat S.M.A.R.T. errors as a confirmation that the drive realizes that

Re: [gentoo-user] data recovery advice needed

2018-12-17 Thread Rich Freeman
On Mon, Dec 17, 2018 at 2:32 PM Jack wrote: > > ddrescue has now been running for almost 22 hours, and it's been 47 > seconds less than that since its last successful read. There is of course no guarantee that it will EVER successfully read all your data. You might be able to tell it to skip blo

Re: [gentoo-user] data recovery advice needed

2018-12-17 Thread Jack
Thanks to both Rich and Grant for suggestions. Part of my issue is that I currently have two different failing/failed HDDs to deal with, and one of them has two different problems. At this point, although there are files I would really love to recover from each of them, it's not critical,

Re: [gentoo-user] data recovery advice needed

2018-12-15 Thread Rich Freeman
On Sat, Dec 15, 2018 at 6:33 PM Jack wrote: > > So, I removed that HDD for safekeeping (completely reinstalled the > laptop on a new drive) and now I'm trying to recover data from an > intact partition on the old drive, the problem being that the drive is > giving some read errors, so I want to mi

Re: [gentoo-user] data recovery advice needed

2018-12-15 Thread Grant Taylor
On 12/15/18 4:33 PM, Jack wrote: Is there any way to fix this other than completely repeating the copy? I'm sure there are other ways, but the first things that comes to mind is touch. Or rather a script that uses touch, and possibly find or a recursive glob. The idea being to have the lis

[gentoo-user] data recovery advice needed

2018-12-15 Thread Jack
Some months ago, I borked a laptop HDD by trying to move a partition in a way that left both the old and new partitions invalid. (For my sanity, I've forced the details out of my memory, but the old and new locations overlapped, and I think the move might have been interrupted. My own fau