ST0-248 Symantec Storage Foundation 6.1 UNIX Technical Exam Set 10

Which two commands are used to remove a disk from a disk group? (Select two.)


Options are :

  • vxdiskunsetup cted
  • vxdiskadm (Correct)
  • vxdisk
  • vxdg (Correct)
  • vxunreloc

Answer : vxdiskadm vxdg

A disk is removed from a disk group using the following command: vxdg -g datadg rmdisk datadg01 After the command executes, what is the status of the disk?


Options are :

  • error
  • empty
  • invalid
  • online (Correct)

Answer : online

Which two can be used to mirror all volumes from one disk to another? (Select two.)


Options are :

  • vxassist (Correct)
  • vxassist
  • vxdiskadm (Correct)
  • vxvol
  • vxdisk

Answer : vxassist vxdiskadm

Which three commands can be used to identify a failed disk managed by Veritas Volume Manager? (Select three.)


Options are :

  • vxerror
  • vxprint (Correct)
  • vxcheck
  • vxdisk (Correct)
  • vxnotify (Correct)
  • vxassist

Answer : vxprint vxdisk vxnotify

The volume datavol has been created, but the volume contents have yet to be initialized. The volume datavol is in which state?


Options are :

  • NEEDINIT
  • EMPTY (Correct)
  • INIT
  • NEEDSYNC

Answer : EMPTY

What are the options when you deport a disk group? (Choose two.)


Options are :

  • New version
  • Rename (Correct)
  • Simple
  • Temporary
  • New host (Correct)

Answer : Rename New host

Which command is used to determine the amount of unallocated space for all disk groups?


Options are :

  • vxdg -o alldgs list
  • vxdg -o alldgs free
  • vxdg list
  • vxdg free (Correct)

Answer : vxdg free

When using the VEA, which two items can be right-clicked to create a volume? (Select two.)


Options are :

  • Basic Group
  • Disk Groups (Correct)
  • Enclosures
  • Host
  • Disks (Correct)

Answer : Disk Groups Disks

The datavol volume uses the datadg01 disk in the datadg disk group. If the hardware LUN that corresponds to the disk is resized, which command updates the Veritas Volume Manager disk headers and other structures?


Options are :

  • vxresize -g datadg datadg01
  • vxdisk -g datadg resize datadg01 (Correct)
  • vxassist -g datadg resize datavol datadg01
  • vxresize -g datadg datavol datadg01

Answer : vxdisk -g datadg resize datadg01

The datadg disk group is defined as the default disk group for a system. Which disk group name should be specified with the vxdctl defaultdg command to clear this default?


Options are :

  • rootdg
  • nulldg
  • nodg (Correct)
  • bootdg

Answer : nodg

A new Veritas File System is required that will provide very fast writes for many large files, most that are greater than 2GB. Write performance is the highest priority. Which two file system tasks would be best suited for accomplishing this? (Select two.)


Options are :

  • mkfs -F vxfs /dev/vx/rdsk/datadg/datavol -o bsize=8192,largefiles (Correct)
  • mkfs -F vxfs /dev/vx/rdsk/datadg/datavol -o bsize=2048,largefiles
  • mount -F vxfs /dev/vx/dsk/datadg/datavol -o fsize=2g,largefiles /data
  • mount -F vxfs /dev/vx/dsk/datadg/datavol -o qio /data
  • mount -F vxfs /dev/vx/dsk/datadg/datavol -o tmplog /data (Correct)

Answer : mkfs -F vxfs /dev/vx/rdsk/datadg/datavol -o bsize=8192,largefiles mount -F vxfs /dev/vx/dsk/datadg/datavol -o tmplog /data

Which command prevents Veritas Volume Manager from allocating space on disk DISK_8 when volumes are created without specifying disk allocation?


Options are :

  • vxedit reserve DISK_8
  • vxdisk reserve DISK_8
  • vxdisk set reserve=on DISK_8
  • vxedit set reserve=on DISK_8 (Correct)

Answer : vxedit set reserve=on DISK_8

In the output of the vxdisk -o alldgs list command, there are no entries in the DISK and GROUP columns. However, you see online in the output of the STATUS column. What does the online status indicate? (Choose three.)


Options are :

  • The disk is currently imported on another system.
  • The disk is currently deported on another system
  • The disk is in the free disk pool. (Correct)
  • The disk is NOT currently assigned to a disk group. (Correct)
  • The disk has been initialized. (Correct)

Answer : The disk is in the free disk pool. The disk is NOT currently assigned to a disk group. The disk has been initialized.

What is the result of executing the command vxdg -tC -n appldg import datadg?


Options are :

  • The datadg disk group is temporarily imported using the new name appldg and import locks are cleared upon import. (Correct)
  • The appldg disk group is renamed as datadg and forcibly imported to a new host.
  • The datadg disk group is forcibly imported under the new name appldg, unless import locks exist, in which case the import fails.
  • The appldg disk group is temporarily imported using the new name datadg and import locks are cleared upon import.

Answer : The datadg disk group is temporarily imported using the new name appldg and import locks are cleared upon import.

Which Veritas Volume Manager command permanently removes a disk from Volume Manager control?


Options are :

  • vxvolunsetup
  • vxdisk init
  • vxdg deport
  • vxdiskunsetup (Correct)

Answer : vxdiskunsetup

Which command can be used to deactivate an I/O path for a dynamic multipathing enabled device?


Options are :

  • vxdmpadm dissociate path=path_name (Correct)
  • vxdmpadm disable path=path_name
  • vxdmpadm detach path=path_name
  • vxdmpadm deactivate path=path_name

Answer : vxdmpadm dissociate path=path_name

What are valid reasons for adding a mirror to a volume? (Choose three.)


Options are :

  • To improve read performance (Correct)
  • To add redundancy through parity
  • To eliminate a single point of failure (Correct)
  • To improve write performance
  • To migrate data (Correct)

Answer : To improve read performance To eliminate a single point of failure To migrate data

Which vxassist command option changes the layout of a layered volume to a non-layered volume?


Options are :

  • Layered
  • Convert (Correct)
  • Relayout
  • Mirror

Answer : Convert

Given the command: vxdmpadm start restore policy=check_periodic interval=seconds [10] Which two DMP path restore polices are used by the command? (Select two.)


Options are :

  • check_periodic
  • check_all (Correct)
  • check_disabled (Correct)
  • check_interval
  • check_alternate

Answer : check_all check_disabled

Which commands can you use to add the Disk_4 disk to the datadg disk group? (Choose two.)


Options are :

  • vxdisk -g datadg adddisk datadg02=Disk_4
  • vxdg -g datadg newdg02=Disk_4
  • vxdisk -g datadg Disk_4
  • vxdg -g datadg adddisk Disk_4 (Correct)
  • vxdisk -g datadg newdg02=Disk_4
  • vxdg -g datadg adddisk datadg02=Disk_4 (Correct)

Answer : vxdg -g datadg adddisk Disk_4 vxdg -g datadg adddisk datadg02=Disk_4

Which Veritas Volume Manager action is required prior to removing a plex?


Options are :

  • detach plex
  • dissociate plex (Correct)
  • delete plex
  • disable plex

Answer : dissociate plex

Which command renames the testdg disk group to engdg?


Options are :

  • vxedit -f rename testdg engdg
  • vxdg -n testdg deport engdg
  • vxdg -n engdg deport testdg (Correct)
  • vxdg -f rename testdg engdg

Answer : vxdg -n engdg deport testdg

What are two valid mount options for a Veritas File System? (Select two.)


Options are :

  • discovered_direct_iosz=262144
  • delaylog (Correct)
  • mincache=direct (Correct)
  • shared
  • logdelay

Answer : delaylog mincache=direct

Which command lists the disks in a disk group that contain a copy of the configuration database?


Options are :

  • vxdg listconfig diskgroup
  • vxdg listdb diskgroup
  • vxdg list diskgroup (Correct)
  • vxdg listmeta diskgroup

Answer : vxdg list diskgroup

Which command causes Volume Manager to recognize a replacement disk that has been newly added to the system?


Options are :

  • vxscandisks
  • vxiod set 0
  • vxconfigd restart
  • vxdctl enable (Correct)

Answer : vxdctl enable

Which command is used to restart the configuration daemon with debugging turned on at its highest level?


Options are :

  • vxconfigd -r -d 9
  • vxconfigd -d 9
  • vxconfigd -k -x 9 (Correct)
  • vxconfigd -k -d 9

Answer : vxconfigd -k -x 9

Which conversion option is used to convert a RAID 0+1 volume to a layered volume?


Options are :

  • mirror-stripe to stripe-mirror (Correct)
  • mirror-concatenate to concatenate-mirror
  • mirror-stripe to mirror-concatenate
  • stripe-mirror to mirror-stripe

Answer : mirror-stripe to stripe-mirror

What is the recommended first step to upgrade Veritas File System (VxFS)?


Options are :

  • reboot the machine to single-user mode
  • mount unmounted VxFS file systems
  • unmount mounted VxFS file systems (Correct)
  • reboot the machine to multi-user mode

Answer : unmount mounted VxFS file systems

Which command can be used to change the Volume Manager disk name of a disk?


Options are :

  • vxdisk
  • vxedit (Correct)
  • vxdiskadm
  • vxdg

Answer : vxedit

What must you do to rename the testdg disk group to engdg from the command line?


Options are :

  • Use vxdg deport followed by vxdg import; the volumes are automatically started in the disk group after the import.
  • Use vxdg deport followed by vxdg import and then manually start volumes in the disk group by using the vxvol command. (Correct)
  • Use the vxdg change command, which performs a deport and an import in a single step
  • Destroy the disk group and then re-create the disk group using the new name

Answer : Use vxdg deport followed by vxdg import and then manually start volumes in the disk group by using the vxvol command.

Comment / Suggestion Section
Point our Mistakes and Post Your Suggestions