Messages in this thread | | | Date | Sun, 27 Jun 1999 16:35:29 +0200 (CEST) | From | Ingo Molnar <> | Subject | Re: [patch] pagecache-2.3.9-H3, bmap & ext2fs cleanup patch |
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On Sun, 27 Jun 1999, Matti Aarnio wrote:
> However do remember that our current blockdevice level limitation > is 2G (or 4G ?) worth of 512 byte blocks, that is, 1 TB (maybe 2) > for any given block device size.
that is only because internally in the block-layer we use sectors. Eg. the RAID code already does nothing sector-ish itself, so you can have 4G*blocksize devices with RAID, which is 16 TBytes with 4k blocks. (and more with bigger blocks) I have not actually tried this myself :) RAID0 still relies on sectors internally [can be fixed], but RAID1/RAID5 not.
-- mingo
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