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On January 4, 2002 07:45 am, Andreas Dilger wrote: > On Jan 03, 2002 21:46 -0800, farmer dude wrote: > > I have a question regarding the use gnufileutils 'dd' > > wherein it fails to image completely in certain > > circumstances. I've tossed this around a bit, and so > > far the best answer seems to be not a DD problem, but > > rather block addressing within the kernel itself > > (currently it is 1024bytes???). Someone has suggested > > I post to this list to see a) if this is a known issue > > and/or b) what is being done to correct it (say, > > changing to 512bytes for example)? > > Yes, this is a long standing and well known issue with Linux. As you > mention later in your email, this does not affect Linux directly, because > it never uses the last sector of odd-sized disks or partitions. The only > place it has been noticed is with the Linux NTFS driver (which is unable > to store the MFT backup in the last sector of the partition) and the NT > LDM driver which breaks when odd-sized volumes are concatenated together > (one sector is missing out of the middle of the volume). > > [...] > > In the end, this has been discussed several times on l-k, and while > people have expressed a desire to fix it, it has never been done. > This is probably because anyone who knows enough about Linux to fix > it uses Linux all the time, and at that point they don't need to fix > it anymore... It's definitely on the radar. -- Daniel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | |||||||||
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