On Wed, Dec 08, 1999 at 09:30:21AM -0800, MICHAEL FEE wrote:
> Steve,
>
> Actually the single level store refers to more than that. It allows the
> entire disk space to look as if it were a single disk. This as opposed to the
> requirement to address the "c-drive" etc. IBM later discovered that there was
> an advantage to allowing the multiple level storage and so added the ability
> to divide up groups of disks into separate auxillary storage pools, ASPs. It
> is actually very nice and requires dramatically less management of disk space
> than other systems I have worked with.
AIX has this sort of support as well.
The LVM (logical volume management) patch for Linux had stabilized
significantly, and last I heard it was slated to go into 2.2.13. I haven't
seen it yet, but then, I haven't been looking for it. It's probably in there
alongside the software RAID support :)
The basic description of LVM is you throw all your disk blocks into a big pool,
then divy them up appropriately. If you download the ext2fs tool for resizing
the image on the partition, you can effectively repartition your space while
live.
>
> Mike Fee
>
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