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系統(tǒng)統(tǒng)計(jì)
1.prtconf 系統(tǒng)信息
prtconf –V 顯示OBP版本
2./usr/platform/sun4u/sbin/prtdiag -v
顯示系統(tǒng)信息(包括內(nèi)存，CPU，OBP版本等)
3.sysdef  系統(tǒng)信息
sysdef –i  顯示可調(diào)內(nèi)核參數(shù)的設(shè)置
4.eeprom  顯示機(jī)器IDPROM變量
5.vmstat  監(jiān)視CPU和內(nèi)存

# vmstat
procs     memory            page            disk
faults      cpu
r b w   swap  free  re  mf pi po fr de sr f0 s0 s1 s6
in   sy   cs us sy id
0 1 0 557136 11544   2  77 278 166 235 0 9 0 32  0 13
301  472  142  2  5 94
5. mpstat  監(jiān)視多個CPU狀態(tài)
6. # mpstat
CPU minf mjf  xcal  intr ithr  csw icsw migr smtx  srw syscl  usr
sys  wt idl
15    0  400  199   142    6    0    0   0   470    2   4     64
29

變量 說明 變量 說明
CPU  CPU ID migr
Minf 輕微故障(minor faults) smtx
Mjf  重要故障(major faults) srw
Xcal 處理機(jī)間的調(diào)用 syscl 系統(tǒng)調(diào)用次數(shù)
Intr 中斷數(shù) usr 用戶時間所占百分比
Ithr 線程中斷數(shù)（不包括時鐘中斷） sys 系統(tǒng)時間所占百分比
csw 上下文切換次數(shù) wt 等待時間所占百分比
icsw 強(qiáng)制的上下文切換次數(shù) idle 空閑時間所占百分比

7.iostat  監(jiān)視磁盤狀態(tài)
# iostat
tty          fd0           sd0           sd1
sd6          cpu
tin tout kps tps serv  kps tps serv  kps tps serv
kps tps serv  us sy wt id
0   69   0   0    0  326  32   76    0   0    4
193  13   70   2  5 65 29

tin us
tont sy
bps wt
tps id
serv


8.uptime 顯示系統(tǒng)運(yùn)行時間以及在過去的15分鐘內(nèi)系統(tǒng)的負(fù)載情況
# uptime
4:23pm  up  1:15,  1 user,  load average: 0.10, 0.13,
0.12





/etc/system
set rstchown = 0          ;users can chown files
set ngroups_max = 32      ;設(shè)置每個用戶最大組數(shù)為32，但可能引起NFS兼容問題
;因?yàn)榈湫蚇FS Servers
set pt_cnt = ;        ;系統(tǒng)偽終端
set hires_tick = 1        ;設(shè)置頻率為1000
set rlim_fd_max = 4096    ;設(shè)置文件描述符硬限制
set rlim_fd_cur = 1024    ;設(shè)置文件描述符軟限制
set maxuprc  = ;      ;設(shè)置每個用戶最大進(jìn)程數(shù)
set maxnprocs= ;      ;設(shè)置最大進(jìn)程數(shù)（當(dāng)前最大為3000）

2.Making boot device alias In case system can not boot fromprimary disk  and it is needed to make another boot disk to access thedata , nvalias command is used . nvalias command makes the devicealias  and assigns an alternate name to a physical disk. Physicaladdress of target disk is required  which can be had by show-disk command on ok>.
ok>nvaliasdisk7 /iommu@f,e0000000/sbus@f,e0001000/dma@3,81000/esp@3,80000/sd2,0 The new aliased disk can be named as boot disk or can be used for booting by refering its name . ok> setenv boot-device disk7 ok>reset or ok> boot disk7
3."Timeout waiting for ARP/RARP packet"? At ok> type printenv and look for these parameters .
  boot-device           disk
  mfg-switch?           false
  diag-switch?          false if you see "boot-device net " or true value for the other two parameter change it to the values above. In case you wants to boot fromnetwork make sure your client is properly configured in boot server andnetwork connections & configuration are proper.
4."The file just loaded does not appear to be executable." Boot block on the hard disk is corrupted .Boot the system in single user mode with cdrom and reinstall boot block . #installboot /usr/platform/`uname -i`/lib/fs/ufs/bootblk /dev/rdsk/c0t3d0s0 5."bootblk: can't find the boot program" boot block can not find the bootprograme - ufsboot in Solaris .Either ufsboot is missing or corrupted .In such cases it can be restored from the cdrom after booting fromcdrom & mounting the hard disk  # cp /platform/`uname -i`/ufsboot /mnt/platform/`uname -i`
6."boot: cannot open kernel/unix" Kernel directory or unix kernelfile in this directory is not found .Probably deleted during fsck ordeleted by mistake .Copy it from the cdrom or restore from the backuptape. # cp /platform/`uname -i`/kernel/unix /mnt/platform/`uname -i`/kernel
7."Error reading ELF header."? Kernel directory or unix kernel file in this directory is corrupted.Copy it from the cdrom or restore from the backup tape. # cp /platform/`uname -i`/kernel/unix /mnt/platform/`uname -i`/kernel
8."Cannot open '/etc/path_to_inst'" System can not find the /etc/path_to_install file .It might be missing or corrupted and needs to be rebuild. To rebuild this file  boot the system with  -ar option : ok>boot -ar Press enter to select default values for the questions  asked during booting and select yes to rebuild /etc/path_to_install The /etc/path_to_inst on your system does not exist or is empty. Do you want to rebuild this file [n]? y system will continue booting after rebuilding the file.
9."Can't stat /dev/rdsk/c0t3d0s0" When booted from cdrom  and donefsck the root partition comes out to be fine but on booting from rootdisk this error occurs. The device name for / is missing from /dev/dskdirectory and to resolve the issue /dev & /devices directories hasto be restored from root backup tapes .