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Add knob to disable slow io notifications

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Introduce a new vdev property `VDEV_PROP_SLOW_IO_REPORTING` that
allows users to disable notifications for slow devices.
This prevents ZED and/or ZFSD from degrading the pool due to slow
I/O.

Reviewed-by: Alexander Motin <alexander.motin@TrueNAS.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Mariusz Zaborski <oshogbo@FreeBSD.org>
Closes 17477
This commit is contained in:
Mariusz Zaborski
2025-11-11 19:42:17 +01:00
committed by GitHub
parent b4f073b5a6
commit 02fdd26e51
10 changed files with 127 additions and 32 deletions
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lib/libzfs/libzfs.abi
+2 -1
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@@ -6026,7 +6026,8 @@
<enumerator name='VDEV_PROP_SLOW_IOS' value='51'/>
<enumerator name='VDEV_PROP_SIT_OUT' value='52'/>
<enumerator name='VDEV_PROP_AUTOSIT' value='53'/>
<enumerator name='VDEV_NUM_PROPS' value='54'/>
<enumerator name='VDEV_PROP_SLOW_IO_EVENTS' value='54'/>
<enumerator name='VDEV_NUM_PROPS' value='55'/>
</enum-decl>
<typedef-decl name='vdev_prop_t' type-id='1573bec8' id='5aa5c90c'/>
<class-decl name='zpool_load_policy' size-in-bits='256' is-struct='yes' visibility='default' id='2f65b36f'>