diff options
Diffstat (limited to 'man/man5/zfs-events.5')
| -rw-r--r-- | man/man5/zfs-events.5 | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/man/man5/zfs-events.5 b/man/man5/zfs-events.5 index fc2a391f8..7e9bbedaf 100644 --- a/man/man5/zfs-events.5 +++ b/man/man5/zfs-events.5 @@ -96,8 +96,9 @@ information regarding "hung" I/O detection and configuration. .ad .RS 12n Issued when a completed I/O exceeds the maximum allowed time specified -by the \fBzio_delay_max\fR module option. This can be an indicator of -problems with the underlying storage device. +by the \fBzio_slow_io_ms\fR module option. This can be an indicator of +problems with the underlying storage device. The number of delay events is +ratelimited by the \fBzfs_slow_io_events_per_second\fR module parameter. .RE .sp @@ -697,10 +698,9 @@ full list of all the I/O stages. \fBzio_delay\fR .ad .RS 12n -The time in ticks (HZ) required for the block layer to service the I/O. Unlike -\fBzio_delta\fR this does not include any vdev queuing time and is therefore -solely a measure of the block layer performance. On most modern Linux systems -HZ is defined as 1000 making a tick equivalent to 1 millisecond. +The time elapsed (in nanoseconds) waiting for the block layer to complete the +I/O. Unlike \fBzio_delta\fR this does not include any vdev queuing time and is +therefore solely a measure of the block layer performance. .RE .sp |