单项选择题
A small bio-technical company is interested in implementing a 32-node Linux cluster. They developed their own software that allows all of the nodes to work on the same problem at the same time. The application requires messages to be passed between the nodes. Each node will require access to a shared storage pool of around 500GB. To identify throughput requirements for the storage pool， which of the following is the most appropriate question to ask？（）
A.Is high availability required？
B.Which network protocols are going to be used？
C.What are the expected I/O’s per second to the storage？
D.To what network infrastructure is the storage pool connected？
相关考题
-
多项选择题
AretailcompanyneedstoaddmoreserverstotheirCitrixfarm.Theyareconsidering1UserversandHighEndEnterpriseServers.Theircurrentneedisinternalstorageonly，withthepossibilitytoattachtoaSANlater.WhichTWOofthefollowingfeaturesoftheIBMx366wouldexceedthe1Userver’scapabilities？（）
A.Ability to add expansion cards
B.More Citrix users per server reduces management costs
C.Ability to run on both 110V and 220V power input
D.Ease of deployment due to infrastructure integration
E.Physical sharing of the SCSI Storage Expansion Unit
F.Fewer cables and better cable management due to modular switches
G.Integrated HBAs for SAN connectivity -
单项选择题
Acustomerhasanx445andusestheinternalLSIadaptertomanagetwo146GBdrivesinthechassis.Thecustomerisnoticingperformanceissueswhendeployingadatabasewithsignificantwriteactivityontheinternaldrives.ShouldtheyconsiderusingaServeRAID-6Mwith256MBofcacheinstead，andwhyorwhynot？（）
A.Yes， the internal LSI SCSI adapter has no write cache.
B.Yes， the internal LSI SCSI adapter is unreliable.
C.No， the downtime to install the card and reformat the drives would be cost prohibitive.
D.No， there will be no performance benefit， because drive performance is the bottleneck. -
单项选择题
A specialist is monitoring performance on a server. The data is on another partition within the same array as the OS. The following information is available： （1）The average record written to disk is 16KB （2）The I/O block size is 2KB （3）The stripe size on the RAID array is 16KB Which of the following will improve performance without rebuilding the operating system？（）
A.Change the I/O block size to match the RAID Stripe size.
B.Change the RAID stripe size to match the I/O block size.
C.Change the record size of the database to match the RAID stripe size.
D.Change the record size of the database to match the I/O transfer rate.
