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CS501 GDB NO. 1 FALL 2022 |
CS501 GDB NO. 1 FALL 2022 || 100% RIGHT SOLUTION || ADVANCE COMPUTER ARCHITECTURE || BY VuTech
SOLUTION
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I think Ali has to
increase the storage with Seagate’s 2x14 MACH.2 which is actually two 7TB hard
disk drives packaged into a single helium-filled, hermetically sealed standard
chassis. The drive features a 7.2K RPM spindle speed, is equipped with a 256MB
multisegmented cache, and uses a single-port SAS 12GB/s interface. After
installation of this HDD, his system will definitely come out of lagging and
low system performance. The host system considers the EXOS 2x14 as two logical
drives that are independently addressable. Seagate’s EXOS 2x14 boasts a 524MB/s
sustained transfer rate of 304/384 random read/write IOPS and a 4.16ms average
latency. The EXOS 2x14 is even faster than Seagate’s 15K RPM EXOS drives, so it
is the fastest HDD. Performance comes at the cost of power consumption though,
the MACH.2 consumes 7.2 watts of power in idle mode and up to 13.5 watts under
heavy load, which as per Seagate is not a big deal as they believe that most of
the servers can deliver sufficient power and cool for the MACH.2, also the
MACH.2 is targeted for cloud data centers where cost can be easily offset. Seagate
believes that higher power consumption is not a big issue for the intended
customers.
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