VxVM Exam 01 - crisconitservices.com

www.crisconitservices.com

VxVM – Exam 01

Question 1:

To manage dmp nodes Veritas Volume Manager 4.0 creates to device paths

/dev/vx/dmp and /dev/vx/rdmp.

A. True

B. False

Correct Answer(s): [A]

Question 2:

Which of the following command can be used to display the maximum of number of

devices allowed in a CDS disk group?

A. vxprint -lv testdg

B. vxprint -ht testdg

C. vxprint -lG testdg

D. vxprint -r testdg

Correct Answer(s): [C]

Question 3:

The default diskgroup version number for the Veritas Volume Manager is....

[No Answer Given]

Correct Answer(s): "110"

Question 4:

Which of the following command will unmount all the volumes, stop volumes and turn

off Veritas Volume Manager then start volume manger and volumes?

Identify the correct sequence.

A. vxvol -g diskgroup startall


B. vxiod set 10

C. vxvol -g diskgroup stopall

D. vxiod -f set 10

E. vxdctl stop

F. vxconfigd -m disable

G. vxdctl enable

H. C E D B F G A is the correct sequence.

Correct Answer(s): [H]

Question 5:

A subdisk is failed on one disk, but other subdisks are good.

Which of the following is expected to happen in this situation?

A. Only the affected subdisk is moved to other disk.

B. The entire disk is relocated.

C. Data is inaccessible on the other subdisks.

D. Data is still accessible on the other subdisks.

Correct Answer(s): [A] [D]

Question 6:

Which of the following is true for off host processing?

A. snapshot volumes

B. diskgroup can split be split deported and import to other for offhost processing.

C. Performance is improved on the production volumes.

D. Off host processing is not allowed with disk group version 110.

Correct Answer(s): [A] [B] [C]

Question 7:

Which of the following will save and create volumes?

A. vxprint and vxmake

B. vxprint and vxdg

C. vxprint and vxassist

D. vxsd and vxmake


Correct Answer(s): [A] [C]

Question 8:

Which of the following utility manages storage checkpoints?

[No Answer Given]

Correct Answer(s): "fsckptadm"

Question 9:

Which of the following command (s) should be used to deport the diskgroup testdg

form server1 and import it to server2?

A. server1:/ # vxdg import testdg server2:/ # vxdg import testdg

B. server1:/ # vxdg import testdg server2:/ # vxdg deport testdg

C. server1:/ # vxdg deport testdg server2:/ # vxdg import testdg

D. Disk group cannot be deported unless they are CDS diskgroup.


Question 10:

Online relayout is possible only the following...

A. volumes created using vxassist command.

B. volume created using VEA.

C. volumes created using vxsd.

D. volumes created using vxplex.

Correct Answer(s): [A] [B]

Question 11:

You want to initialize only one disk with sliced option. There is no /etc/default/vxdisk

file. Which of the following command will accomplish this?

Physical access to the disk is c1t13d0s2

[No Answer Given]


Correct Answer(s): "vxdisksetup –i c1t13d0 format=sliced"

Question 12:

Which of the following command will display VxVM cluster mode operation?

A. vxdctl -c mode

B. vxdctl mode

C. vxdctl has

D. vxdctl enable


Question 13:

A layered volume was disabled and it is cleaned using vxmend fix clean command.

Which of the following command should be used to start the volume?

A. vxvol start vol_name

B. vxrecover -s vol_name

C. vxassist start vol_name

D. vxstart vol_name

Correct Answer(s): [B]

Question 14:

Describe the benefits of encapsulating rootdisk even if the rootdisk is not mirrored.

[No Answer Given]

Correct Answer(s): "none"

Question 15:

Which of the following command will mount a snapshot named sv01, at the mount

point /smnt, for the filesystem on the volume v01 in the disk group testdg?

A. mount -F vxfs -o /dev/vx/dsk/testdg/v01 /dev/vx/dsk/acctdg/sv01 /smnt

B. mount -F vxfs -o snap=/dev/vx/dsk/testdg/v01 /dev/vx/dsk/acctdg/sv01 /smnt

C. mount -F vxfs -o snapof=/dev/vx/dsk/testdg/v01 /dev/vx/dsk/testdg/v01 /smnt

D. mount -F vxfs -o mount /dev/vx/dsk/testdg/v01 /dev/vx/dsk/acctdg/sv01 /smnt



Question 16:

Which of the following command will disable vxconfigd command?

[No Answer Given]

Correct Answer(s): "vxdctl disable"

Question 17:

Which one of the following is the default name for a plex?

A. diskgroup##

B. diskname-##

C. volname-##

D. vol##


Question 18:

Which of the following add on licenses on Veritas Volume Manager 4.0?

A. Smartresync

B. Volume snapshots in real time.

C. FastResync

D. Dynamic Disk group split and join.

Correct Answer(s): [C] [D]

Question 19:

Which of the following command will change permission for a raw volume to the dba

group?

A. vxassist testdg set group=dba user=oracle mode=660 vol01

B. vxedit testdg set group=dba user=oracle mode=660 vol01

C. vxedit testdg group=dba user=oracle mode=660 vol01

D. vxvol testdg set group=dba user=oracle mode=660 vol01



Question 20:

Create a volume v01 with stripe-mirror layout. fill up the gap

diskgroup = testdg

[No Answer Given]

Correct Answer(s): "vxassist -g testdg make v01 200m layout=stripe-mirror"

Question 21:

Data is copied to the snapshot before it is written to the snapped filesystem.

A. True

B. False


Question 22:

Which of the following are true about vxfs filesystem size and default block size?

A. Filesystem size up to 4 TB block size is 1k.

B. Filesystem size up to 4 - 8 TB block size is 2k.

C. Filesystem size up to 8 - 16 TB block size is 4k.

D. Filesystem size up to 16 TB or greater block size is 8k.

E. all of the above.

Correct Answer(s): [E]

Question 23:

Which of the following command will import a diskgroup named testdg and

temporarily renamed it to newdg?

[No Answer Given]

Correct Answer(s): "vxdg -tC -n testdg import newdg"


Question 24:

Which of the following command will display information about disk groups, disk

media, volumes plexes and subdisks for diskgroup testdg ONLY?

[No Answer Given]

Correct Answer(s): "vxprint -g testdg"

Question 25:

Which of the following command will force a disk to join a disk group?

A. vxdg adddisk -g testdg testdg01=c1t0d0s2

B. vxdg -f adddisk -g testdg testdg01=c1t0d0s2

C. vxdg -C adddisk -g testdg testdg01=c1t0d0s2

D. vxdg -i adddisk -g testdg testdg01=c1t0d0s2


Question 26:

Which of the following command will destroy a disk group?

[No Answer Given]

Correct Answer(s): "vxdg destroy testdg"

Question 27:

How many diskgroup a vmdisk can span?

A. 2

B. 32

C. 0

D. 1

Correct Answer(s): [D]

A disk can be removed from one diskgroup and then added to another diskgroup.


Question 28:

vxmend fix clean command is used on the plexes of a volume. Which of the following

command will recover and start the volume?

A. vxreattach

B. vxrecover -sb

C. vxmend -sb

D. vxmend fix stale plex_name


Question 29:

testdg01, testdg02, tesdg03 and testdg04 have 500MB, 700MB, 800MB and 1000MB of

disk space. What kind of volume can be created using all the space?

A. mirror

B. stripe

C. raid5

D. concatenated


Question 30:

Which of the following will move all the contents of testdg01 to testdg06 on diskgroup

testdg?

[No Answer Given]

Correct Answer(s): "vxevac –g testdg testdg01 testdg06"

Question 31:

Which of the following statements are true?

A. A sliced, disk's type has public and private regions are on different partitions.

B. A simple, disk's type has public and private regions are on same disk area.

C. A nopriv, disk's type does not have private regions.

D. None of them are true.


Correct Answer(s): [A] [B] [C]

Question 32:

Which of the following command will show, all the running veritas jobs including its

status?

[No Answer Given]

Correct Answer(s): "vxtask list"

Question 33:

Which of the following files are needed to turn on quotas on /mnt1?

which is a vxfs filesystem?

A. touch /mnt1/quotas

B. touch /mnt1/quota

C. touch /mnt1/quotas.grp

D. touch /mnt1/quota.grp

Correct Answer(s): [A] [C]

server1:/ # vxquotaon /mnt

UX:vxfs vxquotaon: ERROR: V-3-21013: Cannot open /mnt/quotas: No such file or

directory

UX:vxfs vxquotaon: ERROR: V-3-22210: /mnt: unexpected error 9 while changing

quota state

server1:/ # touch /mnt/quotas


UX:vxfs vxquotaon: ERROR: V-3-21013: Cannot open /mnt/quotas.grp: No such file or

directory

UX:vxfs vxquotaon: ERROR: V-3-22210: /mnt: unexpected error 9 while changing

quota

state

server1:/ # touch /mnt/quotas.grp



Question 34:

Which command will allow you to see whether Veritas Volume Manager kernel

processes are running?

[No Answer Given]

Correct Answer(s): "vxiod"

Question 35:

Which of the following command will display all the volume information?

[No Answer Given]

Correct Answer(s): "vxprint -lv"

Question 36:

Public region of the disk contains information about disks and diskgroups etc.

A. True

B. False


Question 37:

Which of the following command is used to stop vea server?

A. vxsvc –k

B. vxsvc –m stop

C. vxsvc –k stop

D. vxsvc stop


Question 38:

Which of the following command will create a 200MB striped volume on testdg01 and

testdg02?

stripeunit = 256k diskgroup = testdg volume_name = srtipevol2

[No Answer Given]


Correct Answer(s): "vxassist -g testdg make stripevol2 200m layout=stripe testdg01

testdg02 stripeunit=256k"

server1:/ # vxprint -ht -g testdg | grep stripevol2

v stripevol2 - ENABLED ACTIVE 409600 SELECT stripevol2-01 fsgen

pl stripevol2-01 stripevol2 ENABLED ACTIVE 409600 STRIPE 2/512 RW

sd testdg01-01 stripevol2-01 testdg01 0 204800 0/0 c1t8d0 ENA

sd testdg02-01 stripevol2-01 testdg02 0 204800 1/0 c1t9d0 ENA

Question 39:

What is the benefit of using CDS disk?

[No Answer Given]

Correct Answer(s): "Serially share data between different platforms."

Question 40:

Which of the following is possible with CDS disks?

[No Answer Given]

Correct Answer(s): "CDS disk, in a non CDS disk group."

Question 41:

Which of the following command will force a newly added disk to take the name of the

failed disk?

failed diskname = testdg06

[No Answer Given]

Correct Answer(s): "vxdg -k -g testdg adddisk testdg06=c1t13d0s2"

Question 42:

Which of the following option will create a vxfs filesystem that has a log, which is 4096

blocks in size?

filesystem = v01

A. mkfs -F vxfs -o log=4096 /dev/vx/rdsk/testdg/v01

B. mkfs -F vxfs -o log_size=4096 /dev/vx/rdsk/testdg/v01

C. mkfs -F vxfs -o logsize=4096 /dev/vx/rdsk/testdg/v01

D. mkfs -F vxfs -o size=4096 /dev/vx/rdsk/testdg/v01



Question 43:

What command is used to rename a volume? rename v02 to v03 in diskgroup testdg.

[No Answer Given]

Correct Answer(s): "vxedit –g tesdg rename v02 v03"

Question 44:

Which of the following occurs when the administrator issued vxmend fix stale

command on a plex?

A. The plex does not participate on any I/O activity.

B. The plex become ACTIVE when vxmend on command is issued.

C. The Plex is deleted from the volume.

D. The plex become stale.


Question 45:

You have 4 stripe volumes across 5 disks, if the one of the disk fails the data has to be

restored from the backup to .....

A. one volume

B. Two volumes

C. Three volumes

D. All 4 volumes


Question 46:

A volume set is ...................

A. A volume set is a set of volumes grouped together to work as a filesystem.

B. A full version of license is required to use this feature.

C. All I/O from and to the underlying volumes is directed via the I/O interfaces of the


volume set.

D. vxvset command is used to create a volume set.

E. All of the above.

F. None of the above.

Correct Answer(s): [E]

Question 47:

Which of the following command will change volume and filesystem size at the same

time?

[No Answer Given]

Correct Answer(s): "vxresize"

Question 48:

Which one of the following is the default name for a volume?

A. diskname-##

B. diskgroup##

C. vol##

D. volname-##


Question 49:

If VxVM cannot access to private region of a disk, which of the following will happen

to the volumes associated with the disk?

A. All the redundant volumes will fail.

B. All the non redundant volumes will fail.

C. The disk will be marked as failed no other action is taken.

D. If hot relocation is enabled and there is a available disk VxVM will relocate the disk.

Correct Answer(s): [B] [D]

Question 50:


Which of the following command will backup the testdg diskgroup configuration?

[No Answer Given]

Correct Answer(s): "vxconfigbackup testdg"

Question 51:

Which of the following command will unencapsulate the rootdisk?

[No Answer Given]

Correct Answer(s): "vxunroot"

Question 52:

Which command will mirror the rootdisk to disk01?

[No Answer Given]

Correct Answer(s): "vxmirror rootdisk disk01"

Question 53:

A successful relocation involves which of the following?

A. Relocation

B. Notification

C. Recovery

D. Failure detection.


Question 54:

In qoss, which one of the following program creates a list of the files to be moved to a

different file system?

A. fstransfer

B. qossmove

C. fssweep

D. fsmove



Question 55:

Which of the following confirms a permanent disk failure?

[No Answer Given]

Correct Answer(s): "NODEVICE"

Question 56:

Under which of the following circumstances should you start a raid5 volume with -o

unsafe start command?

A. The raid5 volume is in disabled state.

B. As a normal startup.

C. The raid5 volume is in DETACHED state and no valid raid5 logs available.

D. The raid5 volume is in DISABLED state, and no valid raid5 logs available.


Question 57:

After restoring data from the tape backup, which of the following command should be

used to start an unstartable volume?

A. vxvol -o bg -f start vol1

B. vxvol -f bg -o start vol1

C. vxvol -o b -f start vol1

D. vxassist -o bg -f start vol1


Question 58:

Which of the following statements are true?

A. When disk is initialized and brought under vxvm control existing data is preserved.

B. When disk is encapsulated and brought under vxvm control existing data is

preserved.

C. When disk is encapsulated and brought under vxvm control existing data is

destroyed.

D. When disk is initialized and brought under vxvm control existing data is destroyed.


Correct Answer(s): [B] [D]

Question 59:

Which of the following methods will scan the attached disks using VEA?

A. File-> Scan Disks

B. Actions -> Scan Disks

C. Tools -> Scan Disks

D. Actions -> Disk -> Scan Disks

Correct Answer(s): [B] [C]

Question 60:

Remove testdg06 ( c1t13d0s2) disk form testdg diskgroup and also remove this disk

completely out of veritas control. What are the command sequence?

A. vxdisk –g testdg rmdisk testdg06; vxdiskunsetup –i c1t13d0 ; vxdisk rm c1t13d0s2

B. vxedit –g testdg rmdisk testdg06; vxdiskunsetup c1t13d0 ; vxdisk rm c1t13d0s2

C. vxdg –g testdg rmdisk testdg06; vxdiskunsetup –i c1t13d0 ; vxdisk rm c1t13d0s2

D. vxdisk –g testdg rmdisk testdg06; vxdiskunsetup c1t13d0 ; vxdisk rm c1t13d0s2


server1:/ # vxdisk list

DEVICE TYPE DISK GROUP STATUS

c0t0d0s2 auto:sliced bootdg01 rootdg online

c0t1d0s2 auto:sliced disk01 rootdg online

c1t8d0s2 auto:sliced testdg01 testdg online






server1:/ # vxdg rmdisk testdg06

server1:/ # vxdisk list

DEVICE TYPE DISK GROUP STATUS

c0t0d0s2 auto:sliced bootdg01 rootdg online

c0t1d0s2 auto:sliced disk01 rootdg online




c1t10d0s2 auto:sliced tes

Question 61:

Which of the following occurs when the administrator issued vxmend off command on

a plex?

A. The plex does not participate on any I/O activity.

B. The plex become stale.

C. The plex become ACTIVE when vxmend on command is issued.

D. The Plex is deleted from the volume.

Correct Answer(s): [A] [B]

Question 62:

Which of the following statements are true of the volume manager objects?

[No Answer Given]

Correct Answer(s): "Subdisk (s) are the smallest unit."

Question 63:

The default Read Policy for Volume Manager is..................

[No Answer Given]

Correct Answer(s): "select"

Question 64:

Which of the following command will set testdg01 as a hotspare on testdg diskgroup?

[No Answer Given]

Correct Answer(s): "vxedit –g testdg set spare=on testdg01"

Documents

VxVM Exam 01 - crisconitservices.com