Re: Re: About USB hard drives and errors

2010-06-09 Thread Paul E Condon
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Re: About USB hard drives and errors

2010-04-12 Thread Hugo Vanwoerkom
Celejar wrote: On Sat, 10 Apr 2010 22:06:06 -0600 Paul E Condon pecon...@mesanetworks.net wrote: ... I got a little less timid and tried running smartctl even though I was quite unsure of what to expect. It ran. Each of the three USB HD gave somewhat different output, but none gave output

Re: About USB hard drives and errors

2010-04-12 Thread Paul E Condon
On 20100412_152156, Hugo Vanwoerkom wrote: Celejar wrote: On Sat, 10 Apr 2010 22:06:06 -0600 Paul E Condon pecon...@mesanetworks.net wrote: ... I got a little less timid and tried running smartctl even though I was quite unsure of what to expect. It ran. Each of the three USB HD gave

Re: About USB hard drives and errors

2010-04-12 Thread Clive McBarton
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Paul E Condon wrote: My understanding is that S.M.A.R.T. doesn't generally work over USB. So, the fact that my WD drives don't play well with S.M.A.R.T doesn't make them special, and I should not spend much, if any, time looking for a USB

Re: About USB hard drives and errors

2010-04-12 Thread owens
Original Message From: pecon...@mesanetworks.net To: debian-user@lists.debian.org Subject: Re: About USB hard drives and errors Date: Sun, 11 Apr 2010 15:47:40 -0600 On 20100411_115203, Andrei Popescu wrote: On Sat,10.Apr.10, 16:24:45, Paul E Condon wrote: The errors that I am

Re: About USB hard drives and errors

2010-04-11 Thread Andrei Popescu
On Sat,10.Apr.10, 16:24:45, Paul E Condon wrote: The errors that I am experiencing are all similar. The first indication of a problem is a message from the kernel (I think). An example is: kernel: [78454.939948] journal commit I/O error [...] When this happens, all the USB drives (3

Re: About USB hard drives and errors

2010-04-11 Thread Celejar
On Sat, 10 Apr 2010 23:48:51 -0600 Paul E Condon pecon...@mesanetworks.net wrote: ... Your comment was/is helpful to me. Thanks. Please don't drop off this thread because I'm sometimes too terse. Following some links from article No offense taken - I just didn't want you to get your

Re: About USB hard drives and errors

2010-04-11 Thread Ron Johnson
On 2010-04-08 19:44, Paul E Condon wrote: I want to use the low cost high capacity hard drives that are for sale in places like Best Buy and Costco. I have put ext3 on several of them and started experimenting. The results so far are puzzling.

Re: About USB hard drives and errors

2010-04-11 Thread Paul E Condon
On 20100411_005025, Stan Hoeppner wrote: Paul E Condon put forth on 4/10/2010 11:41 PM: So, the fact that my WD drives don't play well with S.M.A.R.T doesn't make them special, and I should not spend much, if any, time looking for a USB solution. What other options are there for external

Re: About USB hard drives and errors

2010-04-11 Thread Paul E Condon
On 20100411_115203, Andrei Popescu wrote: On Sat,10.Apr.10, 16:24:45, Paul E Condon wrote: The errors that I am experiencing are all similar. The first indication of a problem is a message from the kernel (I think). An example is: kernel: [78454.939948] journal commit I/O error

Re: About USB hard drives and errors

2010-04-11 Thread Stan Hoeppner
Paul E Condon put forth on 4/11/2010 4:40 PM: All of the computers are hand-me-downs. None have eSATA capability. So far I have not convinced myself that spending money would help solve the problem. Perhaps in a few years, computers with eSATA will start showing up in dumpsters. Maybe I

Re: About USB hard drives and errors

2010-04-10 Thread Clive McBarton
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Paul E Condon wrote: dumpe2fs -b device is supposed to print the bad blocks that have been marked on a device. When I run it, it prints nothing. I find it hard to believe that a 500GB HD contains ZERO bad blocks. Every HD that is even remotely

Re: About USB hard drives and errors

2010-04-10 Thread Ron Johnson
On 2010-04-10 02:20, Clive McBarton wrote: Paul E Condon wrote: dumpe2fs -b device is supposed to print the bad blocks that have been marked on a device. When I run it, it prints nothing. I find it hard to believe that a 500GB HD contains ZERO bad blocks. Every HD that is even remotely

Re: About USB hard drives and errors

2010-04-10 Thread Hugo Vanwoerkom
Ron Johnson wrote: On 2010-04-10 02:20, Clive McBarton wrote: Paul E Condon wrote: dumpe2fs -b device is supposed to print the bad blocks that have been marked on a device. When I run it, it prints nothing. I find it hard to believe that a 500GB HD contains ZERO bad blocks. Every HD that

Re: About USB hard drives and errors

2010-04-10 Thread Florian Kulzer
On Sat, Apr 10, 2010 at 08:45:26 -0500, Ron Johnson wrote: On 2010-04-10 02:20, Clive McBarton wrote: [...] Every HD that is even remotely close to being usable will always have zero bad blocks when seen from outside the HD. All HDs have error recognition and error correction and automatic

Re: About USB hard drives and errors

2010-04-10 Thread Clive McBarton
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Florian Kulzer wrote: Interesting. So what is /badblocks/ for, I would say it is useful to make the drive access every single block; afterwards you can check in the SMART log if that caused any remappings. That's a good idea. Another

Re: About USB hard drives and errors

2010-04-10 Thread Tony Nelson
On 10-04-10 03:20:44, Clive McBarton wrote: Paul E Condon wrote: dumpe2fs -b device is supposed to print the bad blocks that have been marked on a device. When I run it, it prints nothing. I find it hard to believe that a 500GB HD contains ZERO bad blocks. Every HD that is even remotely

Re: About USB hard drives and errors

2010-04-10 Thread Clive McBarton
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Tony Nelson wrote: If the data in a sector was not readable, the sector will be listed as Pending. Pending sectors are much worse than Reallocated sectors, as Pending sectors mean lost data (if the sector was in actual use, which SMART does

Re: About USB hard drives and errors

2010-04-10 Thread Stefan Monnier
will be listed as Pending. Pending sectors are much worse than Reallocated sectors, as Pending sectors mean lost data (if the sector Indeed. OTOH Pending sectors can be eliminated by turning them into Reallocated sectors (just write to the corresponding sector), whereas Reallocated sectors

Re: About USB hard drives and errors

2010-04-10 Thread Paul E Condon
On 20100410_092044, Clive McBarton wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Paul E Condon wrote: dumpe2fs -b device is supposed to print the bad blocks that have been marked on a device. When I run it, it prints nothing. I find it hard to believe that a 500GB HD contains

Re: About USB hard drives and errors

2010-04-10 Thread Paul E Condon
On 20100410_162445, Paul E Condon wrote: On 20100410_092044, Clive McBarton wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Paul E Condon wrote: dumpe2fs -b device is supposed to print the bad blocks that have been marked on a device. When I run it, it prints nothing. I find

Re: About USB hard drives and errors

2010-04-10 Thread Celejar
On Sat, 10 Apr 2010 22:06:06 -0600 Paul E Condon pecon...@mesanetworks.net wrote: ... I got a little less timid and tried running smartctl even though I was quite unsure of what to expect. It ran. Each of the three USB HD gave somewhat different output, but none gave output that claimed there

Re: About USB hard drives and errors

2010-04-10 Thread Paul E Condon
On 20100411_002510, Celejar wrote: On Sat, 10 Apr 2010 22:06:06 -0600 Paul E Condon pecon...@mesanetworks.net wrote: ... I got a little less timid and tried running smartctl even though I was quite unsure of what to expect. It ran. Each of the three USB HD gave somewhat different

Re: About USB hard drives and errors

2010-04-10 Thread Celejar
On Sat, 10 Apr 2010 22:41:57 -0600 Paul E Condon pecon...@mesanetworks.net wrote: ... So, the fact that my WD drives don't play well with S.M.A.R.T doesn't make them special, and I should not spend much, if any, time looking for a USB solution. What other options are there for external HD?

Re: About USB hard drives and errors

2010-04-10 Thread Paul E Condon
On 20100411_005504, Celejar wrote: On Sat, 10 Apr 2010 22:41:57 -0600 Paul E Condon pecon...@mesanetworks.net wrote: ... So, the fact that my WD drives don't play well with S.M.A.R.T doesn't make them special, and I should not spend much, if any, time looking for a USB solution. What

Re: About USB hard drives and errors

2010-04-10 Thread Stan Hoeppner
Paul E Condon put forth on 4/10/2010 11:41 PM: So, the fact that my WD drives don't play well with S.M.A.R.T doesn't make them special, and I should not spend much, if any, time looking for a USB solution. What other options are there for external HD? You're got 3 USB hard drives already,

Re: About USB hard drives and errors

2010-04-09 Thread CamaleĆ³n
On Thu, 08 Apr 2010 18:44:33 -0600, Paul E Condon wrote: I want to use the low cost high capacity hard drives that are for sale in places like Best Buy and Costco. I have put ext3 on several of them and started experimenting. The results so far are puzzling. I do get errors. So I decided to

Re: About USB hard drives and errors

2010-04-09 Thread Greg Madden
On Thursday 08 April 2010 04:44:33 pm Paul E Condon wrote: I want to use the low cost high capacity hard drives that are for sale in places like Best Buy and Costco. I have put ext3 on several of them and started experimenting. The results so far are puzzling. I do get errors. So I decided

Re: About USB hard drives and errors

2010-04-09 Thread Ron Johnson
On 2010-04-08 20:27, Ron Johnson wrote: On 2010-04-08 19:44, Paul E Condon wrote: I want to use the low cost high capacity hard drives that are for sale in places like Best Buy and Costco. I have put ext3 on several of them and started experimenting. The results so far are puzzling. I do get

Re: About USB hard drives and errors

2010-04-09 Thread Paul E Condon
On 20100409_102442, Ron Johnson wrote: On 2010-04-08 20:27, Ron Johnson wrote: On 2010-04-08 19:44, Paul E Condon wrote: I want to use the low cost high capacity hard drives that are for sale in places like Best Buy and Costco. I have put ext3 on several of them and started experimenting. The

Re: About USB hard drives and errors

2010-04-09 Thread Ron Johnson
On 2010-04-09 11:04, Paul E Condon wrote: [snip] But ... Why does the output say that the disk was modified during the run? There were no badblocks found. What needed modification? Good question. Do you have similar magic for dumpe2fs? Nope. Of course your output presented here

About USB hard drives and errors

2010-04-08 Thread Paul E Condon
I want to use the low cost high capacity hard drives that are for sale in places like Best Buy and Costco. I have put ext3 on several of them and started experimenting. The results so far are puzzling. I do get errors. So I decided to do scans for bad blocks. The drives I'm using are all

Re: About USB hard drives and errors

2010-04-08 Thread Ron Johnson
On 2010-04-08 19:44, Paul E Condon wrote: I want to use the low cost high capacity hard drives that are for sale in places like Best Buy and Costco. I have put ext3 on several of them and started experimenting. The results so far are puzzling. I do get errors. So I decided to do scans for bad