Sun Storage 7000 Unified Storage System: RAIDZ2 Performance Issues With High I/O Wait Queues
(Doc ID 1315536.1)
Last updated on SEPTEMBER 27, 2019
Applies to:Sun ZFS Storage 7120 - Version All Versions and later
Oracle ZFS Storage ZS3-4 - Version All Versions and later
Oracle ZFS Storage ZS3-2 - Version All Versions and later
Sun ZFS Storage 7320 - Version All Versions and later
Sun Storage 7110 Unified Storage System - Version All Versions and later
7000 Appliance OS (Fishworks)
NAS head revision : [not dependent]
BIOS revision : [not dependent]
ILOM revision : [not dependent]
JBODs Model : [not dependent]
CLUSTER related : [not dependent]
Lower than expected random read IO performance on 7000 series with RAIDz2 pool profile.
This is especially the case in pools with less than 15 spindles assigned to a single pool but applies to all raidz2 pools.
To view full details, sign in with your My Oracle Support account.
Don't have a My Oracle Support account? Click to get started!
In this Document
|Performance with raidz2 profile|
|Performance with mirror profile|