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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 Brian Behlendorf
parent 41878d57ea
commit 1e8c96d7d5
10 changed files with 127 additions and 32 deletions
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module/zfs/zfs_fm.c
+3
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@@ -223,6 +223,9 @@ vdev_prop_get_inherited(vdev_t *vd, vdev_prop_t prop)
case VDEV_PROP_IO_T:
propval = vd->vdev_io_t;
break;
case VDEV_PROP_SLOW_IO_EVENTS:
propval = vd->vdev_slow_io_events;
break;
case VDEV_PROP_SLOW_IO_N:
propval = vd->vdev_slow_io_n;
break;