SJS wrote:
The promise of hardware RAID (for me) was transparency -- but this
was never delivered, so far as I know. You had to have a RAID-aware
OS to use hardware RAID, instead of having a device that could
transparently give you RAID benefits on "legacy" and small systems.
If by RAID-aware you mean having a RAID driver, this is true. Otherwise
the OS just sees a block device and had no idea that there is a RAID
behind it.
Hm. I thought that it was that the Linux developers resisted the
telescoping of their beloved layers...
At the moment I think it is both. The layer issue alone would never stop
a few enterprising coders from integrating ZFS. But as it is GPLv3 and
the rest of the kernel is GPLv2 there is a problem. In fact, ZFS has
already been implemented on Linux in user-space:
http://zfs-on-fuse.blogspot.com/
So there is definitely demand for it. It is unclear how this issue will
be resolved but I'm betting it will be someday.
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