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Do not resume a pool if multihost is enabled

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When multihost is enabled, and a pool is suspended, return
EINVAL in response to "zpool clear <pool>".  The pool
may have been imported on another host while I/O was suspended.

Reviewed-by: loli10K <ezomori.nozomu@gmail.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Olaf Faaland <faaland1@llnl.gov>
Closes #6933 
Closes #8460
This commit is contained in:
Olaf Faaland
2019-02-28 17:56:19 -08:00
committed by Brian Behlendorf
parent 4f3218aed8
commit 8133679ff0
3 changed files with 17 additions and 0 deletions
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cmd/ztest/ztest.c
+7
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@@ -2763,6 +2763,13 @@ ztest_mmp_enable_disable(ztest_ds_t *zd, uint64_t id)
if (zo->zo_mmp_test)
return;
/*
* Since enabling MMP involves setting a property, it could not be done
* while the pool is suspended.
*/
if (spa_suspended(spa))
return;
spa_config_enter(spa, SCL_CONFIG, FTAG, RW_READER);
mutex_enter(&spa->spa_props_lock);