37
Fibre Channel is its relatively alternative, particularly to file-level retention and
high total cost of ownership cost-conscious SMBs,” said compliance capabilities plus
TECHNOL
when compared to iSCSI. Choudry. The scalability and five-nines reliability as well as
Sometimes, factored into this reliability of the Fibre Channel all the features that have
is finding suitably qualified makes it attractive for heavy- made the EMC CLARiiON CX
personnel and sourcing duty, mission-critical family such a firm favourite
OGY
necessary training. Another applications such as Microsoft (the backend architecture of
drawback is operating Exchange or SQL applications. the Celerra is EMC CLARiiON).
distance, and whilst the For example, with Celerra, a
theoretical limit of the Fibre The reality is that one customer has the option to
CONVER
Channel is 10 km, the multi- protocol does not look like it consolidate their existing file
mode fibre links used in is going to replace the other servers using protocols such
creating Fibre Channel SANs any time soon and, with the as CIFs and NFS. They can
are effectively limited to up to cost of unified storage coming also run their high end GENCE
500 metres. This has obvious down, customers can opt for applications (databases)
limitations for disaster the best of both worlds. using the Celerra’s block level
recovery planning where a Adopting a multi-protocol storage, over ISCSi or Fibre
redundant site might be unified solution not only Channel.
located in another city. provides customers with
operational flexibility but Furthermore, according to
The much publicised usurper goes a long way to future EMC, the Celerra’s new low
of the Fibre Channel is iSCSI proofing them as well. power SATA II disk drive
which has become the de technology requires 32
facto standard for linking data Making a big splash into the percent less energy per
storage devices using an IP unified storage market is terabyte than the traditional
network. It requires a familiar EMC’s new Celerra NS one terabyte SATA disk drives.
Gigabit Ethernet interface and platform which offers NAS The new system has already
– operating at speeds of 1 Gb capability via CIFS or NFS and been put through its paces.
per second with the promise in addition also offers not The Karlsruhe Institute of
of a 10 Gb speed in the future only iSCSI and Fibre Channel Technology (KIT) was an early
– it is generally viewed as less multi-connectivity but a adopter, using multiple
complex and costly to bundle of new features Celerra NS systems for its file
implement and operate. In designed to make IT services, VMware, Oracle and
the case of iSCSI, the main managers salivate and most Exchange environments.
drawback is that data transfer accountants happy. Uli Betzler, KIT’s Senior
can consume too much Storage Architect said, “The
network bandwidth and so Launched to a fanfare last Celerra Data Deduplication
impact application month, the new Celerra NS feature showed a 25 percent
performance. The answer is models include a useful file reduction in the amount of
not to have your iSCSI SAN system deduplication facility, primary data in our file
share a network with regular service environment, while
network traffic. But this improving overall system
normally means performance.”
investing in more
networking equipment. This building in of
“Whilst it is unlikely deduplication
iSCSI will knock Fibre software into an
channel off its perch all-in-one box
when it comes to solution will no
performance and scalability, it doubt win Celerra
is nevertheless an attractive many followers, but
WWW.SNS-UK.CO.UK SEPT 09
Page 1 |
Page 2 |
Page 3 |
Page 4 |
Page 5 |
Page 6 |
Page 7 |
Page 8 |
Page 9 |
Page 10 |
Page 11 |
Page 12 |
Page 13 |
Page 14 |
Page 15 |
Page 16 |
Page 17 |
Page 18 |
Page 19 |
Page 20 |
Page 21 |
Page 22 |
Page 23 |
Page 24 |
Page 25 |
Page 26 |
Page 27 |
Page 28 |
Page 29 |
Page 30 |
Page 31 |
Page 32 |
Page 33 |
Page 34 |
Page 35 |
Page 36 |
Page 37 |
Page 38 |
Page 39 |
Page 40