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- somewhat neater, more consistent and more readable output
- possible to set any lvm.conf value: aux lvmconf "section/key = value"
- LVM_TEST_NODEBUG to suppress the (lengthy) "## DEBUG" output
- back-substitution on test output ($TESTDIR/$PREFIX -> @TESTDIR@/@PREFIX@)
- support code moved from test/ to test/lib/ --> less clutter
(So the tests can run under cluster locking and do not require
cluster mirror or snapshots.)
Add vgscan before block device readahead change
(flush long running process - clvmd - dev cache.)
Now uppercase letters imply Si units, so use lowercase everywhere.
We could stay with uppercase, but then we'd have to deal with rounding, etc.
Also, some output / error messages change slightly (instead of "GB" we're
now saying "GiB").
One test enhancement might be to add some new tests for the units changes
but for now let's just get the test back to passing.
- PPC uses 64k page, some caculations are wrong in tests
- file utility is buggy on PPC and cannot detect swap, use blkid instead
- read ahead is quietly rounded down according to page size
(for now use some common divisor value in test)
When we are stacking LV over device, which has for some reason
increased read_ahead (e.g. MD RAID), the read_ahead hint
for libdevmapper is wrong (it is zero).
If the calculated read_ahead hint is zero, patch uses read_ahead of underlying device
(if first segment is PV) when setting DM_READ_AHEAD_MINIMUM_FLAG.
Because we are using dev-cache, it also store this value to cache for future use
(if several LVs are over one PV, BLKRAGET is called only once for underlying device.)
This should fix all the reamining problems with readahead mismatch reported
for DM over MD configurations (and similar cases).
