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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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include/sys/vdev_impl.h
+1
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@@ -470,6 +470,7 @@ struct vdev {
uint64_t vdev_checksum_t;
uint64_t vdev_io_n;
uint64_t vdev_io_t;
boolean_t vdev_slow_io_events;
uint64_t vdev_slow_io_n;
uint64_t vdev_slow_io_t;
};