Re: Computer stops responding (freezes up) during uncorrectable data error

2011-01-27 Thread Benny Lofgren
On 2011-01-27 06.02, Ted Unangst wrote: On Wed, Jan 26, 2011 at 10:00 PM, Amit Kulkarni amitk...@gmail.com wrote: pardon my ignorance but if you restored your data already, why bother investigating disk failure? Unless they are all the same person, there seems to be a sudden rash of people

Re: Computer stops responding (freezes up) during uncorrectable data error

2011-01-27 Thread Benny Lofgren
On 2011-01-27 14.11, Ted Unangst wrote: On Thu, Jan 27, 2011 at 7:28 AM, Benny Lofgren bl-li...@lofgren.biz wrote: It's a matter of uptime. The indicated behaviour, that the system more or less freezes when encountering a simple sector read error is indeed disturbing. For example, my own

Re: Computer stops responding (freezes up) during uncorrectable data error

2011-01-27 Thread Ted Unangst
On Thu, Jan 27, 2011 at 7:28 AM, Benny Lofgren bl-li...@lofgren.biz wrote: It's a matter of uptime. The indicated behaviour, that the system more or less freezes when encountering a simple sector read error is indeed disturbing. For example, my own reasons for using mirroring are exclusively

Re: Computer stops responding (freezes up) during uncorrectable data error

2011-01-27 Thread L. V. Lammert
On Thu, 27 Jan 2011, Gordon Ferris wrote: We waited too long to replace the failed drive, so there were errors on both drives in the mirror, so the data was not completely restored. Backups were not as recent as we would have liked. Since the drive didn't completely fail, it seemed worth

Re: Computer stops responding (freezes up) during uncorrectable data error

2011-01-27 Thread Ted Unangst
On Thu, Jan 27, 2011 at 2:16 AM, Gordon Ferris gordon.fer...@wfengineering.com wrote: 1. Is it normal for the operating system to freeze when accessing damaged sectors - even if the only access is via a raw, unmounted partition? This seems like a hardware problem to me, except that errors are

[gordon.fer...@wfengineering.com: Re: Computer stops responding (freezes up) during uncorrectable data error]

2011-01-27 Thread Gordon Ferris
Thank you for the interest so far in my post. I never meant to imply someone fix this now. If that's how it came across, then I do apologize - that's not what I intended. I am looking for more than the standard disks break, live with it answer. I am surprised that the disk retry code

Re: Computer stops responding (freezes up) during uncorrectable data error

2011-01-27 Thread Gordon Ferris
Thank you for the interest so far in my post. I never meant to imply someone fix this now. If that's how it came across, then I do apologize - that's not what I intended. I am looking for more than the standard disks break, live with it answer. I am surprised that the disk retry code

Re: Computer stops responding (freezes up) during uncorrectable data error

2011-01-27 Thread David Vasek
On Thu, 27 Jan 2011, Gordon Ferris wrote: 2. What utilities will show which sectors are occupied by specific files? Ideally I could specify a range of sectors and a list of files using those sectors would be provided. It would also be nice to specify files and be shown which sectors they

Re: Computer stops responding (freezes up) during uncorrectable data error

2011-01-26 Thread Amit Kulkarni
pardon my ignorance but if you restored your data already, why bother investigating disk failure? On Wed, Jan 26, 2011 at 6:50 PM, Gordon Ferris gordon.fer...@wfengineering.com wrote: I have a disk that has failed; there seem to be damaged areas that cause errors when specific files are

Re: Computer stops responding (freezes up) during uncorrectable data error

2011-01-26 Thread Ted Unangst
On Wed, Jan 26, 2011 at 10:00 PM, Amit Kulkarni amitk...@gmail.com wrote: pardon my ignorance but if you restored your data already, why bother investigating disk failure? Unless they are all the same person, there seems to be a sudden rash of people who want to bring a disk back from the dead

Re: Computer stops responding (freezes up) during uncorrectable data error

2011-01-26 Thread Gordon Ferris
We waited too long to replace the failed drive, so there were errors on both drives in the mirror, so the data was not completely restored. Backups were not as recent as we would have liked. Since the drive didn't completely fail, it seemed worth trying to retrieve some data where possible