5.8 References

5.9 Quiz

  1. Company XYZ has a standalone RS/6000 system they use to maintain an expanding customer database. The database is currently stored in the logical volume dblv in rootvg on hdisk4. Because of future growth, the customer decided to move the database to a new drive in a separate volume group. This new drive is hdisk5 in volume group datavg. Which of the following commands can be used to move the database logical volume, dblv, to the new volume group?
    A.
    mklv -l dblv
    B.
    cplv -v datavg dblv
    C.
    migratelv dblv hdisk5
    D.
    migratepv -l dblv hdisk4 hdisk5

  2. While attempting to write a 200 MB file to the user data file system with 1 GB free space, the system responds with the message that it is out of space. Which of the following could be causing this? 
    df output

Filesystem    1024-blocks      Free %Used    Iused %Iused Mounted on
/dev/hd4            40960      3744   91%     2416    12% /
/dev/hd2          1003520     35280   97%    37596    13% /usr
/dev/hd9var         36864     24540   34%     1236    14% /var
/dev/hd3           167936      8108   96%      844     2% /tmp
/dev/hd1            40960     20232   51%     1364    14% /home
/dev/datalv       1224704   1023952   16%     6309     7% /user/data
/dev/datalv2        16384      5884   65%     1018    25% /data2
/dev/userlv2        12288     11608    6%       49     2% /user2
/dev/userlv         12288      5002   59%      643     7% /user
/dev/foolv          12288       121   99%       49     2% /foo
    A.
    The /user/data filesystem is mounted read only.
    B.
    The permissions on the /user filesystem is wrong.
    C.
    The permissions on the /user/data file system is wrong.
    D.
    /user is preventing you from reaching the /user/data file system.

  3. The order-processing department of a company has complained of slow response times from their application. The system administrator has determined this is due to a disk I/O bottleneck on the physical volume where the application data file system is located. Which of the following could be used to help improve the application response times?
    A.
    Stripe the file system logical volume across multiple disks.
    B.
    Move the jfslog to the same physical volume as the file system.
    C.
    Increase the size of the application data file system.
    D.
    Move the physical volume into a separate volume group.

  4. Customer XYZ discovered that one of their hard drives, hdisk3, was bad. The drive contains volume group data3vg which was used by an application many years ago. Since they do not need to keep this information, they decided to simply remove the drive. After rebooting, the physical volume for hdisk3 is still listed in the volume group descriptor area (VGDA). Which of the following commands can be used to delete the physical volume from data3vg?
    A.
    reducevg
    B.
    synclvodm
    C.
    reducelvodm
    D.
    syncvg

5.9.1 Answers

  1. B

  2. D

  3. A

  4. A

5.10 Exercises