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How to Choose and Benchmark a NAS
Continued from page: 5
Sunday, February 04, 2007
Review: Tandberg Viking FS-412
While sourcing NAS boxes for review, we approached Tandberg for an evaluation
unit. So we tested the NAS we use at Cybermedia Labs. It was a Viking FS-412
with four 400 GB hard disks. The available storage capacity in this was 1.02 TB,
and the rest was occupied by OS and RAID 5 configurations. It also supports RAID
0, 1 and 3, and shipped with Windows Storage Server 2003, 1 GB RAM which can be
expanded to 4 GB. It also supports various file systems such as DFS, NFS, HTTP,
FTP and SMB. One advantage it has over Snap and LevelOne is that it supports
file screening. It also provides various types of log reports like application
log, Web administration, FTP, NFS, security and HTTP share. It has support for
anti virus and also comes with a recovery CD. On the down side, it doesn't
back up to DVD.
| NetBench |
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| ^ IOMeter: I/Os per second
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We couldn't run the performance tests in the same way as we did on the
other NAS boxes since it is our production system. So its results can't be
compared against the other NAS boxes. We're including its results because we
observed something very interesting while testing it. While in the other NAS
boxes, we ran our tests on the entire available capacity, in the Tandberg NAS,
we created a separate 100 GB partition for the tests. The tests were, of course,
done after isolating the NAS box into a separate network so that nobody else was
accessing it. In NetBench, it gave a peak throughput of 218 Mbps with 5 clients.
After that, the throughput fell as we added more clients to it. The interesting
part came after we ran IOmeter on it. All scores were higher than all other NAS
boxes.
This could very much be, because we only used a 100 GB data partition to test
it. While copying 100 GB of data, it took 81 mins, which was second fastest, and
a compressed ISO image of the same file took 57 mins, which was interestingly
the slowest. So, while the NetBench and regular file transfer tests were
comparable to others, IOmeter was exceptionally higher, possibly due to the
smaller partition used.
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Price: Rs 2,50,000 (1
yr warranty)
Contact: Tandberg Data, Delhi Tel: 9810502321,
E-mail: manish.mehta@tandberg.com.sg
SMS Buy 130223 to 6677 |
Sanjay Majumder, Saurangshu Kanunjna, Swapnil Arora with help from Vijay
Chauhan Page(s) 1 2 3 4 5 6
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