ST0-248 Symantec Storage Foundation 6.1 UNIX Technical Exam Set 9

The rules of a SmartTier File Placement Policy are used when creating a new file in the file system configured with SmartTier. Which additional instance would require File Placement Policy rules?


Options are :

  • Executing an fsmap -q command
  • Executing an fsvoladm queryflags command
  • Executing an fsppadm enforce command (Correct)
  • Executing an fsppadm list on the file system

Answer : Executing an fsppadm enforce command

A user without administration privileges reaches the quota limit and is unable to create new files. Which two actions can the user perform to continue creating new files? (Select two.)


Options are :

  • Raise the quota limits
  • Resize the file system
  • Remove files (Correct)
  • Deduplicate the file system
  • Compress files using vxcompress (Correct)

Answer : Remove files Compress files using vxcompress

When does vxprint fail to display volume configuration after a system reboot?


Options are :

  • when the vxinstall-run file is nonexistent
  • when the vxinstall-run file exists
  • when the install-db file exists (Correct)
  • when the install-db file is nonexistent

Answer : when the install-db file exists

What is the default I/O policy for a volume that uses a mirror with site consistency enabled?


Options are :

  • Selected
  • Siteread (Correct)
  • Preferred
  • Round Robin

Answer : Siteread

Which plex state indicates that Veritas Volume Manager knows that a plex contains a consistent copy (mirror) of the volume contents, but the volume remains disabled?


Options are :

  • CLEAN (Correct)
  • SYNC
  • ACTIVE
  • ONLINE

Answer : CLEAN

The following steps for migrating an application from system S1 to S2 have been completed on S1: unmount the file system stop the volume deport disk group How is the migration completed?


Options are :

  • (on S2) rescan; import disk group with -n option; start volume; mount file system; start application
  • (on S2) rescan; import disk group; start volume; mount file system; start application (Correct)
  • (on S2) import disk group with -h option; start volume; mount file system; start application
  • (on S2) import disk group with -startall option; mount file system; start application

Answer : (on S2) rescan; import disk group; start volume; mount file system; start application

Which Symantec Storage Foundation 6.1 for UNIX performance tool generates a large variety of workloads?


Options are :

  • vxbench (Correct)
  • vxstat
  • vmstat
  • vxtrace

Answer : vxbench

An administrator is having issues with a volume. Which Veritas Volume Manager command shows kernel state information for volumes in a disk group to assist in troubleshooting?


Options are :

  • vxprint (Correct)
  • vxinfo
  • vxdg
  • vxiod

Answer : vxprint

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


Options are :

  • vxdisk listconfig
  • vxdisk list
  • vxdg list [diskgroup] (Correct)
  • vxdg listconfig [diskgroup]

Answer : vxdg list [diskgroup]

Where is the File Change Log located after an administrator enables it?


Options are :

  • /mount_point/lost+found/vxfs/changelog
  • /mount_point/lost+found/changelog (Correct)
  • /mount_point/lost+found/vxsf/logs/changelog
  • /mount_point/lost+found/vxvm/logs/changelog

Answer : /mount_point/lost+found/changelog

Which command reclaims unused space on a thin reclamation capable LUN that is part of a disk group?


Options are :

  • vxassist
  • vxreclaim
  • vxdg
  • vxdisk (Correct)

Answer : vxdisk

A relayout operation was started on the wrong volume. Which actions revert the volume to its original layout?


Options are :

  • Abort the relayout using the 'vxtask' command and then reverse the relayout using the 'vxrelayout' command (Correct)
  • Abort the relayout using the 'vxrelayout' command and then reverse the relayout using the 'vxtask' command
  • Pause the relayout using the 'vxrelayout' command and then use the 'vxtask' command
  • Pause the relayout using the 'vxtask' command and then reverse the relayout using the 'vxtask' command

Answer : Abort the relayout using the 'vxtask' command and then reverse the relayout using the 'vxrelayout' command

Which Veritas File System feature records any changes to files and directories and improves performance for applications that scan the entire file system?


Options are :

  • dirty region log
  • data change log
  • quick log
  • file change log (Correct)

Answer : file change log

Which command is used to set the read policy for a preferred plex in a mirrored volume?


Options are :

  • vxassist
  • vxvol (Correct)
  • vxplex
  • vxtune

Answer : vxvol

Which utility is used to display compression statistics at a file system level?


Options are :

  • vxfsstat
  • vxcompress
  • fsadm (Correct)
  • fsmap

Answer : fsadm

What is the correct definition of RAID-1+0 when using Volume Manager?


Options are :

  • Data and parity stripes are mirrored for read performance and resiliency.
  • Data stripes are mirrored for read performance and resiliency. (Correct)
  • Data stripes are mirrored with parity for write performance and recovery
  • Mirrors are striped for read performance and simplicity.

Answer : Data stripes are mirrored for read performance and resiliency.

What is the maximum private region size for Volume Manager disks?


Options are :

  • 64M
  • 256M (Correct)
  • 128M
  • 512M

Answer : 256M

Which File System feature, if enabled, will record any changes to files and directories, which will improve the performance for applications that need to scan the entire file system?


Options are :

  • data change log
  • intent log
  • file change log (Correct)
  • dirty region log

Answer : file change log

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


Options are :

  • vxnotify (Correct)
  • vxdisk (Correct)
  • vxdctl
  • vxerror
  • vxassist

Answer : vxnotify vxdisk

Which two occur when an initialized disk is added to an existing disk group? (Select two.)


Options are :

  • The private region on the disk is initialized, but not updated.
  • The disk group configuration database is updated (Correct)
  • The disk is stamped with the system host ID. (Correct)
  • An empty volume is created on the disk by default.
  • An entry is added to /dev/vx/dsk for the new disk.

Answer : The disk group configuration database is updated The disk is stamped with the system host ID.

Before creating a new disk group using VEA in a SAN environment, what should be done?


Options are :

  • perform the rescan SAN Disk Group function under Tools
  • perform a refresh operation to update the VEA view
  • perform a rescan operation to update the VEA view (Correct)
  • perform the refresh SAN Disk Group function under Tools

Answer : perform a rescan operation to update the VEA view

Which two Volume Manager operations can be performed using vxdiskadm? (Select two.)


Options are :

  • Change the disk naming scheme (Correct)
  • Mark a device as a spare (Correct)
  • Start/stop the vxconfigd daemon
  • Start/stop event source daemon
  • Exclude an array support library

Answer : Change the disk naming scheme Mark a device as a spare

Which access characteristic indicates that a file system might benefit from compression?


Options are :

  • High number of random writes
  • Low number of reads (Correct)
  • High number of sequential writes
  • Low latency

Answer : Low number of reads

Which two states are displayed in the output of vxprint? (Select two.)


Options are :

  • Slice
  • Volume (Correct)
  • Port
  • Kernel (Correct)
  • Path

Answer : Volume Kernel

What should be done after a volume with a previously mounted file system is removed from VEA?


Options are :

  • edit the OS-specific file system table file manually to remove the entry for the old file system (Correct)
  • edit the Veritas Volume Manager file system table file manually to remove the entry for the old file system
  • run the vxdisk -cleanup command to remove the old file system name from the private region and the file system table file
  • run the vxfsclean command to remove the old file system name from the private region and the file system table file

Answer : edit the OS-specific file system table file manually to remove the entry for the old file system

Which two features are available only with Storage Foundation Enterprise? (Select two.)


Options are :

  • Dynamic Multipathing (DMP)
  • Veritas Operations Manager (VOM)
  • SmartTier
  • LUN snapshots import ability (Correct)
  • Veritas File System Deduplication (Correct)

Answer : LUN snapshots import ability Veritas File System Deduplication

Which two options are available when deporting a disk group? (Select two.)


Options are :

  • new host (Correct)
  • dynamic
  • rename (Correct)
  • temporary
  • shared

Answer : new host rename

Which command will completely remove a plex in an existing volume from Volume Manager?


Options are :

  • vxedit -g thisdg -rm vol01-02
  • vxplex -g thisdg -o rm dis vol01-02 (Correct)
  • vxplex -g thisdg det vol01-02
  • vxplex -g thisdg dis vol01-02

Answer : vxplex -g thisdg -o rm dis vol01-02

Which two Symantec Storage Foundation 6.1 for UNIX objects contain a complete copy of the data or file system? (Select two.)


Options are :

  • space optimized snapshot
  • data change object
  • private region
  • volumes (Correct)
  • plexes (Correct)

Answer : volumes plexes

Given the following command using 72g LUNs: vxassist -g datadg make datavol 72g layout=raid5 ncol=3 How many LUNs are required to construct the datavol volume?


Options are :

  • 6
  • 3
  • 5
  • 4 (Correct)

Answer : 4

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