Crucial Exams

CompTIA Server+ SK0-005 Practice Question

During a weekly health check, a systems administrator notices the following on a Linux file server:

Aug 23 02:11:34 kernel: blk_update_request: I/O error, dev sdd, sector 8755304
Aug 23 02:11:34 kernel: EXT4-fs (sdd1): I/O error while reading inode block
# smartctl -A /dev/sdd
ID# ATTRIBUTE_NAME          VALUE WORST THRESH RAW_VALUE
  5 Reallocated_Sector_Ct   098   098   005     12
197 Current_Pending_Sector  099   099   000     8

Users also report slow file transfers from the share that resides on /dev/sdd1, while other volumes on the same controller perform normally.

Which action should the administrator take next to restore reliable service while minimizing the risk of data loss?

  • Disable write caching on the drive to reduce queue depth during writes.

  • Run an offline defragmentation to consolidate files on the affected volume.

  • Replace the disk immediately and restore or rebuild the data from backup or parity.

  • Update the SAS controller firmware to the latest release and retest.

CompTIA Server+ SK0-005
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