Re: regular fsck runs are too disturbing - and current approach does not work very well in detecting defects!

2007-10-09 Thread Phillip Susi
Jan Claeys wrote: The main reason (IMO) why defrag is not useful (anymore) is that for ages there hasn't been any (guaranteed) correlation between hardware order and software order of sectors on a disk. Defragmenting disks might actually fragment them more on a fysical level, and thus cause

Re: regular fsck runs are too disturbing - and current approach does not work very well in detecting defects!

2007-10-08 Thread Jan Claeys
Op maandag 08-10-2007 om 13:16 uur [tijdzone -0400], schreef Phillip Susi: Jan Claeys wrote: But I think a similar API could be used to mark move bad sectors or lost sectors, and that's more related to this discussion... As I said, there is no need to make such an effort because ext

Re: regular fsck runs are too disturbing - and current approach does not work very well in detecting defects!

2007-10-06 Thread Jan Claeys
Op woensdag 03-10-2007 om 15:35 uur [tijdzone -0400], schreef Phillip Susi: Jan Claeys wrote: About doing live fsck defrag on a rw filesystem, IIRC Windows NT has a system API for doing e.g. atomic swap 2 sectors operations; does 'linux', or any of the filesystem drivers for it, support

Re: regular fsck runs are too disturbing - and current approach does not work very well in detecting defects!

2007-10-02 Thread Phillip Susi
Jan Claeys wrote: I'm not an Ubuntu developer, but if 'badblocks' looks for hardware defects, it's mostly useless on most hard disks in use these days. The HDD firmware does internal bad block detection replacement (using spare blocks on the disk reserved for that purpose). So if you can

Re: regular fsck runs are too disturbing - and current approach does not work very well in detecting defects!

2007-10-02 Thread Jan Claeys
Op dinsdag 02-10-2007 om 13:56 uur [tijdzone -0400], schreef Phillip Susi: Jan Claeys wrote: I'm not an Ubuntu developer, but if 'badblocks' looks for hardware defects, it's mostly useless on most hard disks in use these days. The HDD firmware does internal bad block detection replacement