iSCSI Performance - Synology DS211+ SMB NAS Review

Many SMB / SOHO users also run NAS systems with iSCSI targets. The iSCSI target option is one of the hyped features of the Windows Storage Server OS. However, the iSCSI target option is also provided by other NAS vendors such as Synology, QNAP and Thecus.

The iSCSI target needs to be setup in the Storage Manager section. Appropriate CHAP credentials can also be setup, though we didn't use CHAP authentication in our testbed.

The results of running the Intel NASPT benchmarks and our own robocopy tests on the iSCSI target are given below.

Writes to iSCSI targets are faster than the LaCie 5big server, but reads are slower. Also, SMB performance is better in more workloads than in iSCSI. If you are using iSCSI targets, the reason is probably because SMB shares are not going to work out in your situation.

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