Sun Storage 7000 Unified Storage System: Low throughput during NDMP tape cloning

(Doc ID 1363330.1)

Last updated on FEBRUARY 08, 2016

Applies to:

Sun Storage 7210 Unified Storage System - Version All Versions and later
Sun Storage 7110 Unified Storage System - Version All Versions and later
Sun ZFS Storage 7320 - Version All Versions and later
Sun ZFS Storage 7420 - Version All Versions and later
Sun ZFS Storage 7120 - Version All Versions and later
7000 Appliance OS (Fishworks)

Symptoms

Slow NDMP tape cloning in ZFS Unified Storage appliance.

NDMP tape cloning to a locally attached tape drives can only achieve around 6MB/sec

Normal NDMP backup can achieved much higher around 75MB/sec range.

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Cause

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