Users are complaining the response times are out of range on a retail application. Performance monitoring of the storage subsystem indicates that there are no problems. A check of the host error logs shows that there are excessive SCSI re-transmit errors. The 2Gb/s HBA on the host was recently replaced with a 4Gb/s HBA. What is the most probable cause of the timeout errors?
Answer(s): D
A production cluster is attached to redundant disk fabrics and a tape fabric. Each cluster member has access to twelve (12) TB of RAID 5 production storage and twelve (12) TB of RAID 0 local replica accessed through eight HBAs single initiator zoned to sixteen storage ports on one storage subsystem. The tape fabric includes one connection to each server and connections to four (4) 1Gb FC to SCSI gateways connected to ten (10) LTO II (35MB/s) tape drives. The standby cluster member performs multi-threaded backups using the local replica. All HBAs and ports are 2Gb/s. If the recovery time is equal to backup time, where is the bottleneck?
Answer(s): A
Which concept includes considerations such as data placement, deletion, repurposing, and regulatory archiving.
Which hardware component provides the interface between the storage network and the server backuplane?
What metric is used when determining how many storage subsystem ports can be attached to a single host port?
Answer(s): C
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