Crucial Exams

CompTIA Linux+ XK0-006 (V8) Practice Question

After replacing a failing 2-TB disk that is one of the physical volumes in the volume group vgdata, you have already:

  • created a new physical volume on /dev/sdc with pvcreate, and
  • added it to the group with vgextend vgdata /dev/sdc.

All logical volumes in vgdata must stay online while every extent still located on /dev/sdb is relocated to /dev/sdc so that the old drive can later be removed.

Which single command will perform this data migration with no application downtime?

  • dd if=/dev/sdb of=/dev/sdc bs=64K conv=noerror,sync

  • pvmove /dev/sdb /dev/sdc

  • vgreduce --removemissing vgdata

  • lvconvert --repair /dev/vgdata/lv01

CompTIA Linux+ XK0-006 (V8)
System Management
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