HP_UX Bible ----- 第四部分unix系统管理(3)

mengge

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If a disk containing a mounted journal file system in /dev/vg01/|vo|1 has
reported errors and you want to check the intergrity of the whole
file system,which of the following steps should you see?
A. Remove all users with fuser -u ;run fsck using fsck -F vxfs
/mountpoint
B. Run fsck using fsck -F jfs -ofull,nolog /mounpoint
C. Unmount the file system; run fsck using fsck -F vxfs
/dev/vg01/|vo|01
D. Unmount the file system;run fsck using fsck-F vxfs -o full,nolog
/vg01/|vo|1
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如何检查文件系统步骤是先卸载检查文件系统MOUNT文件系统查看LOST
FOUND目录
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You need to add a disk to an existing volume group. The SCSI address for
the disk is 5 and the disk is attached to card instance 0 with a
LUN of 0. What command must you execute before you add the disk to the volume
group?
A. pvcreate /dev/vg00/lvol5
B. pvcreate /dev/dsk/c0t5d0
C. pvcreate /dev/vg00/c0t5d0
D. pvcreate /dev/rdsk/c0t5d0
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D. The pvcreate command uses the character device file for a disk. The
character device file for a disk with SCSI address 5, attached to card
instance 0 with a LUN of 0 will be /dev/rdsk/c0t5d0.
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At HP-UX 10.20 and above, what are the maximum file system and file sizes?
A. 4GB, 128GB
B. 128GB, 4GB
C. 128GB, 128GB
D. 4GB, 4GB
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C. At HP-UX 10.20 and above the maximum file size and file system size is
128GB. Prior to HP-UX 10.20 the maximum file size was
2GB.
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Which of the following statements is TRUE?
A. Mounting a file system on a directory will erase all files in that
directory.
B. When creating a file system of type \"hfs\", an entry will be placed in
/var/adm/sbtab.
C. The \"unmount\" command will unmount a file system from a mount point.
D. The /etc/fstab file is no longer used in HP-UX 11.0.
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B. The /var/adm/sbtab file contains a list of the locations of the redundant
superblocks for each HFS file system.
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How do you validate that your make_recovery tape is up to date?
A. It is not possible. The make_recovery must be rerun when system changes
are made
B. Use the diff command
C. Run check_recovery, provided the make_recovery tape was created using
the \"-C\" option
D. Run makerec.last
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The ____________ command will show currently mounted file systems, the
total size of each file system, the amount of space used from
each file system, and the amount of space available in each file system.
A. mount
B. bdf
C. du
D. ll
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B. The bdf command is the only command listed that shows this information.
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The vgcfgbackup command provides a convenient method for:
A. making a bootable image of a volume group
B. saving a volume groups configuration information to a static file
C. backing up all the user data on a volume group
D. synchronizing the mirrors in a volume group
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The device file to address a DAT drive with controller instance of 1,a
device target address of 3 using best density and no rewind,would
be
A. /dev/rmt/c1t0d3BESTnr
B. /dev/rmt/c0t1d3BESTn
C. /dev/dsk/c1t3d0BEST
D. /dev/rmt/c1t3d0BESTn
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设备名的命名规则要清楚
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Which of the following statements is TRUE?
A. The pvdisplay command will not give valid information unless you have
added the disk to a volume group using vgcreate or vgextend.
B. The default physical extent size is 8KB.
C. You must have a minimum of 2 disks in the root volume group.
D. In HP-UX 11.0, the maximum file size is 4GB.
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A. You must have a disk in a volume group in order to get \"valid\" information
from the pvdisplay command. All the other statements are
false.
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You have created a directory for the volume group named /dev/vg01. Which
command would you use to create the group file for this volume group?
A. mk_group
B. insf
C. mksf
D. mknod
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VG创建的步骤每一步的意义必须清楚
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Besides the standard \"ioscan\" command, another command that could be used
to identify which hardware address \"goes with\" which
device file is:
A. lssf
B. listsf
C. lsspecial
D. displaysf
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A. The lssf command with a device file as an argument, shows the H/W path.
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The file used by the system to automatically check and mount file systems
on HP-UX 10.X and above is called:
A./etc/chechlist
B./etc/fstab
C../etc/sbtab
D./var/adm/fstab
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If the device file for your CD-ROM is missing, (the \"ioscan -fn\" command
shows the H/W path exists but there are no device files) what
command could you run, without rebooting the system, to create the device
files?
A. mkcd -a
B. insf -e
C. lssf -e
D. cdfs -a
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B. The insf command with the \" -e\" option reinstalls special (device) files
in the /dev directory for any hardware devices with existing H/W
addresses.
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For each device file in the \"/dev\" subdirectory, the \"major number\"
identifies the:
A. priority order for accessing the device.
B. device driver that should be used when the device is accessed.
C. class of device, for example, \"disk device\", \"tape device\",\"tty device\",
etc.
D. device file to be used for communication.
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B. Use lsdev to see the major number and the releated driver.
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For an HP-UX system to map a host name to an IP address, it can use
A. /etc/hosts only .
B. /etc/hosts or DNS or NIS
C. /etc/hosts or DNS only
D. /etc/hosts or NIS only
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In HP_UX 11. How do you create a bootable recovery system tape including
the entire root volume group? Use:
A. make_recovery
B. COPYUTIL at the ISL prompt
C. dd on each logical volume in vg00 to DAT
D. save_config
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The fsck command is used to:
A. check and repair HFS file systems only
B. check and repair HFS and JFS file systems
C. run the intent log roll back for JFS only
D. check and repair HFS and JFS at system boot time only
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To find out what software is installed on your system, you should use
A. swverify
B. the screen shown at start up on the console
C. swlist
D. /etc/filesets
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Which of the following archive utilities only runs on HP-UX?
A. fbackup
B. tar
C. cpio
D. pax
@ a @
A. The fbackup command is a proprietary archive command used by HP-UX. The
other commands are standard UNIX archive utilities.
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The difference between block and character IO is:
A. character IO goes through the buffer cache and block IO does not
B. block IO is for large data transfers only and character IO is for small
data transfers only
C. character IO only used for tty devices
D. block IO goes through the buffer cache and character IO does not
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The main advantage of using the journal file system over an HFS is:
A. automatic defragmentation
B. better performance for all applications
C. faster recovery
D. guaranteed data integrity
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On HP_UX 10.X and 11.X, a list of currently installed software for the local
system is stored in:
A. /etc/filesets
B. the installed product database
C. /var/adm/sw/depot
D. the swinstall.log file
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IPD在哪个路径下
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An HP-UX software \"bundle\" is
A. a collection of filesets, possibly from several different \"products\"
B. a collection of files
C. a collections of whole products
D. the smallest unit of software
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bundle的定义
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A major number:
A. points to the device driver in the kernel
B. points to the device location and other characteristics
C. points to the instance
D. indicates the type of the file
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设备文件中主号副号的作用和含意
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What is the sync command used for and who can use it
A. The sync command closes down the system quickly. It can only be used
by root.
B. The sync command forces a flush of the buffer cache contents to disk.
It can be used by any user
C. The sync command forces a flush of the buffer cache contents to disk.
It can only be used by root.
D. The sync command updates file system super blocks on disk. It can be
used by any user
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sync的作用和syncer的作用
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founder5210

就是有点老了，:zhuan: