> The difference detween fsck block device (/dev/dsk/..) and raw device
> (/dev/rdsk/..) is that fsck doesn't support file systems larger
> than 2GB. So when I fsck the block device of a file system > 2GB,
> it cannot find the last superblock backup at the very first.
> The SUN HD I tested that can be fsck through the block device
> name is < 2GB. Anyway, one should fsck raw device instead
> of block device.
Sorry, want I mean is that fsck dosen't support block interface
of the device if the file system is larger than 2GB or has been
mounted. From the man page of fsck on 2.5.1
Running fsck on file systems larger than 2 Gb fails if the
user chooses to use the block interface to the device:
rather than the raw (character special) device:
-- Law Hon Man Computer Science and Engineering The Chinese University of Hong Kong
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