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Commit Graph

12 Commits

Author SHA1 Message Date
Zdenek Kabelac
76d203517b tests: use mdadm support
Use for testing new mdadm_create  aux wrapper.
Place functionality into a 2 pass loop - one for 'auto' other for 'start'.
Share same tests between raid level 0 and level 1 version of raid.
2021-03-22 22:46:21 +01:00
David Teigland
87ee401eea md component detection changes
Move extra md component detection into the label scan phase.
It had been in set_pv_devices which was deep within the vg_read
phase, which wasn't a good place (better to detect that earlier.)
Now that pv metadata info is available in the scan phase, the pv
details (size and device_hint) can be used for extra md checking.

Use the device_hint from the pv metadata to trigger a full md
component check if the device_hint begins with /dev/md.

Stop triggering full md component checks based on missing
udev info for a dev.

Changes to tests to reflect that the code is now detecting
md components in some test case that it wasn't before.
2021-02-05 16:23:51 -06:00
Marian Csontos
b690258518 tests: Find md name using lsblk
After stopping MD device and rescanning the leg, it is created with
different name.
2019-11-26 09:13:17 +01:00
Marian Csontos
4757ce4c2a Partial revert "tests: update to md dev name"
This partially reverts commit c2ff8876f9.

Not all MD devices are stopped. Something is missing there...
2019-11-25 09:23:02 +01:00
David Teigland
d693041149 tests: add wipefs wrapper
which falls back to using dd on old systems without
the wipefs command
2019-10-02 14:11:08 -05:00
David Teigland
c2ff8876f9 tests: update to md dev name
Use /dev/md33 instead of /dev/md0 to reduce chances of
conflicting with an existing name.

Only call 'mdadm --stop /dev/md33' for cleanup and don't
use 'mdadm --stop --scan' to avoid stopping other md devs.
2019-10-02 14:09:51 -05:00
David Teigland
1bfae5bf8e tests: update duplicate md tests
adjust to recent improvements in duplicate handling
2019-09-30 11:38:10 -05:00
David Teigland
9680fd6d78 tests: skip md tests if system not clean 2019-09-27 12:40:42 -05:00
David Teigland
585db87274 tests: skip some without wipefs 2019-09-12 11:23:30 -05:00
David Teigland
1fe04f89ef tests: use standard md devices 2019-09-12 10:11:27 -05:00
David Teigland
25b58310e3 pvscan: avoid full scan for activation
When an online PV completed a VG, the standard
activation functions were used to activate the VG.
These functions use a full scan of all devs.
When many pvscans are run during startup and need
to activate many VGs, scanning all devs from all
the pvscans can take a long time.

Optimize VG activation in pvscan to scan only the
devs in the VG being activated.  This makes use of
the online file info that was used to determine
the VG was complete.

The downside of this approach is that pvscan activation
will not detect duplicate PVs and block activation,
where a normal activation command (which scans all
devices) would.
2019-09-03 10:11:16 -05:00
David Teigland
987f2733c7 tests: duplicate-pvs-md
Testing duplicate PV handling for various md device setups/states.
2019-08-16 13:26:12 -05:00