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- Path: sable.ox.ac.uk!worc0223
- From: worc0223@sable.ox.ac.uk (Benjamin Hutchings)
- Newsgroups: comp.sys.amiga.misc
- Subject: Re: 9GB SCSI II Controller Card for th
- Date: 16 Feb 1996 03:05:38 GMT
- Organization: Oxford University, England
- Message-ID: <4g0sa2$5j2@news.ox.ac.uk>
- References: <john.hendrikx.4ebn@grafix.xs4all.nl>
- NNTP-Posting-Host: sable.ox.ac.uk
-
- In article <john.hendrikx.4ebn@grafix.xs4all.nl>,
- John Hendrikx <john.hendrikx@grafix.xs4all.nl> wrote:
- [...]
- > M> does this mean you can't use disks >2GB or just that you can't have
- > M> partitions over 2GB ??
- >
- >It depends on the device, but most of them can't handle anything over 2 GB (not
- >talking partitions here). The problem is that filesystems have to give
- >byte-offsets to the device which tells them where to start reading or writing.
- >This byte-offset is measured from the start of the disk, not the start of the
- >partition.
- >
- >The only way to solve this is to create devices which have new commands to do
- >reading and writing which take block-offsets instead of byte-offsets (this
- >would also mean the filesystem needs to be slightly altered) or maybe even
- >64-bit byte-offsets. Another solution would be to let the filesystem use
-
- Why not let the device-driver do its own partitioning, and access these
- partitions as separate units of the device? This is a little ugly, but should
- work as an interim solution. There would still be a 2M limit on partitions
- though.
-
-
- --
- --
- Ben Hutchings, student. Finger me on worc0223@sable.ox.ac.uk for various info.
- email: benjamin.hutchings@worc.ox.ac.uk WWW: http://sable.ox.ac.uk/~worc0223/
- Users of the world unite! You have nothing to lose but your Micro$oft software
-