freebsd-src/cddl/usr.sbin
Alan Somers e2ce586899 zfsd: fault disks that generate too many I/O delay events
If ZFS reports that a disk had at least 8 I/O operations over 60s that
were each delayed by at least 30s (implying a queue depth > 4 or I/O
aggregation, obviously), fault that disk.  Disks that respond this
slowly can degrade the entire system's performance.

Sponsored by:	Axcient
Reviewed by:	delphij
Differential Revision: https://reviews.freebsd.org/D42825

(cherry picked from commit d565784a7e)
2024-01-19 13:16:48 -07:00
..
dtrace Remove $FreeBSD$: one-line sh pattern 2023-08-23 11:43:30 -06:00
dwatch Trim various $FreeBSD$ 2023-10-24 11:23:57 -07:00
lockstat Remove $FreeBSD$: one-line sh pattern 2023-08-23 11:43:30 -06:00
plockstat Remove $FreeBSD$: two-line nroff pattern 2023-08-23 11:43:31 -06:00
tests Remove $FreeBSD$: one-line sh pattern 2023-08-23 11:43:30 -06:00
zdb Remove $FreeBSD$: one-line sh pattern 2023-08-23 11:43:30 -06:00
zfsd zfsd: fault disks that generate too many I/O delay events 2024-01-19 13:16:48 -07:00
zhack Remove $FreeBSD$: one-line sh pattern 2023-08-23 11:43:30 -06:00
Makefile Remove $FreeBSD$: one-line sh pattern 2023-08-23 11:43:30 -06:00
Makefile.inc Remove $FreeBSD$: one-line sh pattern 2023-08-23 11:43:30 -06:00