freebsd-src/cddl/usr.sbin
Alan Somers d565784a7e 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.

MFC after:	2 weeks
Sponsored by:	Axcient
Reviewed by:	delphij
Differential Revision: https://reviews.freebsd.org/D42825
2023-11-29 07:51:11 -07:00
..
dtrace dtrace: Remove $FreeBSD$ from genmakefiles.sh. 2023-08-25 14:55:59 -06:00
dwatch Trim various $FreeBSD$ 2023-10-10 10:34:43 -07:00
lockstat Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:55:03 -06:00
plockstat Remove $FreeBSD$: two-line nroff pattern 2023-08-16 11:55:10 -06:00
tests Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:55:03 -06:00
zdb Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:55:03 -06:00
zfsd zfsd: fault disks that generate too many I/O delay events 2023-11-29 07:51:11 -07:00
zhack Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:55:03 -06:00
Makefile Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:55:03 -06:00
Makefile.inc Remove $FreeBSD$: one-line sh pattern 2023-08-16 11:55:03 -06:00