Solaris Volume Manager (SVM) Slow Mirror Component Resync Times even when md_resync_bufsz is Set High (Doc ID 1006376.1)

Last updated on FEBRUARY 01, 2017

Applies to:

Solstice DiskSuite Software - Version 2.0.1 to 4.2.1 [Release 2.0 to 4.0]
Sun Solaris Volume Manager (SVM) - Version 11.9.0 to 11.10.0 [Release 11.0]
Oracle Solaris on SPARC (64-bit)
Oracle Solaris on x86-64 (64-bit)

Goal

Explanation of Solaris Volume Manager (SVM) resync time.

With large capacity disks a component (single disk in striped mirror) resync to or from a hot spare or replaced disk may take a long time. Increasing the md_resync_bufsz size does not help.

Solution

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