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Understanding the ZFS Pool Resilver Operation and Tuning Resilver Performance (Doc ID 1496593.1)

Last updated on JUNE 22, 2020

Applies to:

Solaris Operating System - Version 10 3/05 and later
Information in this document applies to any platform.
*** Checked for currency 10/1/14 ***

Purpose

 This document explains how the ZFS pool resilver operation works and how to tune resilver performance.

Details

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In this Document
Purpose
Details
 What does the resilver operation do?
 Changes in Solaris 11.2 - Sequential Resilvering.
 Bugs & RFEs related to the zpool resilver operation
 Troubleshooting zpool resilver issues
 Changing the zpool resilver performance
 zfs_resilver_delay
 zfs_resilver_delay_ms
 zfs_top_maxinflight
 zfs_scan_idle
 zfs_scan_min_time_ms
 zfs_max_resilverio
References

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