Brian Behlendorf 3167b0db10 Fix 'zpool add' safety check corner cases ... Three cases were discovered where 'zpool add' would fail to warn when adding vdevs to a pool with a mismatched replication level. These are: 1. When a pool contains mixed file and disk vdevs. 2. When a pool contains an active dRAID distributed spare 3. When a pool contains an active hot spare The lack of warnings are caused by get_replication() assessing the current pool configuration an inconsistent and disabling the mismatched replication check for the new pool configuration after 'zpool add'. This change updates get_replication() to be slightly more tolerant in the non-fatal case. The zpool_add_010_pos.ksh test case was split in to separate tests: zpool_add_warn_create.ksh, pool_add_warn_degraded.ksh, and zpool_add_warn_removal. These test were extended to include coverage for dRAID pools and the three scenarios described above. Reviewed-by: Tony Hutter <hutter2@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #17780		2025-10-20 14:56:14 -07:00
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functional	Fix 'zpool add' safety check corner cases	2025-10-20 14:56:14 -07:00
perf	More adaptive ARC eviction	2023-03-08 11:17:23 -08:00
Makefile.am	Fix 'zpool add' safety check corner cases	2025-10-20 14:56:14 -07:00