I've got a couple of brand new boxes I'm trying to get LVM set up
properly on.
These machines have 6 200GiB drives attached to a 3ware controller card,
for a total of 1,200,000,000,000 bytes of storage.
I'm running kernel 2.4.18, with LVM version 1.0.3, and the lvmtools
version 1.0.1rc3-1 (long story, but upgrading is a path-of-last-resort).
Initially I had the drives set up as a single raid0 device, but doing a
pvcreate on it failed with a message that said something about "can't
get size".
So I set up 2 3 disk RAID0 devices, and did a vgcreate /dev/sda /dev/sdb.
Now, one question I have is:
Does this concatenate the devices, or does it interleave the
devices? IE do I have a stripe of stripes, or two stripes?
Since I need the disk write rate of all 6 drives, I'm *REALLY* hoping
that it's interleaved.
--
"On two occasions, I have been asked [by members of Parliament], 'Pray,
Mr. Babbage, if you put into the machine wrong figures, will the right
answers come out?' I am not able to rightly apprehend the kind of confusion
of ideas that could provoke such a question." -- Charles Babbage
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