solarix

Re: How many types of file system?
Answer # 1	There are 3 types of file system -   A] Disk based file system (pcfs, ufs, udfs, hsfc) B] Distributed file system (nfs, autofs, cachefs) C] Pseudo files system (virtual file system, memory based file system, swapfs, procfs, mntfs, dev, & tmpfs)
Re: How to discover Global zone name from local Zone?
Answer # 1	From the Local Zone run this command –   # arp –a | grep SP
Re: what is the difference between svm and vxvm
Answer # 1	Re-Sizing is not possible in SVM. Re-Sizing is possible in VXVM   SVM is platform dependent VXVM is platform independent
Re: Explain the more details of vmstat output?
Answer # 1	vmstat is tool used to check current memory utilisation status. it reports memory statistics of process,virtual memory, disk,trap,and CPU activity. Basic synctax is vmstat <options> interval count option include paging  -p , cache   -c ,.interrupt -i if no option specified then it will show info. about process , memory , paging , disk ,interrupts & cpu  interval- is time between 2 successive output. it will show / produce next ouput after specified time. count- indicate how much ouput you want to see.
Re: what is multihomed system?
Answer # 1	A system having more than one network connection.
Re: what are the daemons running In NIS? how to do u create NIS users and update Maps?
Answer # 1	Below daemons will run the NIS 1) ypservd 2) ypxfrd 3) yppasswd 4) ypbind   Create a user by useradd command and copy the line from /etc/passwd file to NIS data base file, Exple:-some peoples use /var/yp/domain/passwd and run the command from /var/yp/domain directory i.e : #cd /var/yp/domain       #/usr/ccs/bin/make passwd
Re: what are bootloaders in solaris booting? bootblk, ufsboot
Answer # 2	GRUB bootloader is for intel platform and UFS bootloader is for spark system . in booting process, at POST phase, the system will load the primary program called BootBlk
Re: solaris booting process.
Answer # 2	Boot Process is 5 Phases in solaris 10    1. POST Phase    2.Boot Program Phase    3.Kernel Initialization Phase    4.Init Phase    5.svc.startd Phase     when switch on sun Box firmware starts POST(Power On self Test). Post Checks Hardware Specification and Print banner.. Post Checks Boot Parameters. Boot Parameters true .. then Go to second stage .  Post Locates BootBlk , BootBlk Loads the ufs BootBlk... BootBlk locate  Kernel . kernel is parts parts genix ,Unix.genix platform independent, unix platform specific these two types of kernels combined to create running kernel. kernel reads configuration file (/etc/system) then  loads itself.and Root file system also mounted in the Phase .. when RFS mounted Then Ufsbootblk Unmap. Kernal starts /etc/init daemon...this daemon checks /etc/inittab enteries... after that initd daemon Starts Svc.startd... svc.startd starts default services.....
Re: ndd -get /dev/hme0 link-mode
Answer # 2	this command is used to get the whether the interface is configure full duplex and half duplex  .   0 - halfduplex 1 - fullduplex
Re: major diffences b/w solars 9 & 10?
Answer # 1	solaris 10 has introduced new features such as   1) Zones   2) Dtrace   3) ZFS   4) RBAC   5) IPfilter   This given features are not availables in solaris 9. 6) Service Management Facility(SMF)
Re: how to know which version of solaris is installed? uname –a /etc/release
Answer # 1	# uname -a will provide number of informations which includes 1. os installed 2. os version 3. hostname 4. arch /etc/release command showing the OS release, i.e sol 10 5/09
Re: how to know kernel architecture of solaris ? isainfo -v ? or prtconf -v
Answer # 1	Hi   isainfo -v is the command to check the kernal Architecture.

Re: What is the procedure to do kernel patching?

Re: What is the difference between private and public regions in Veritas Volume manager?
Answer # 1	Private region contains disk information i.e disk group name,disk group id,configdb.   Public region contain Data.
Re: You have a boot disk under svm, the machine fails to boot and remains in ok prompt? what could be the possible reason?
Answer # 1	you have to specify the boot device in the ok prompt i.e, your default boot device not having OS or /etc/system or /etc/vfstab file corrupted. boot in interactive mode (ok boot -a)specify boot device as cdrom,check this (ok printenv auto-boot?) auto-boot?=false if it is false then u have to boot manualy
Re: How to grow a volume?
Answer # 1	In solaris   growfs -m souce and destinatation   in Vertias vxresize   or   vxassist -g dg growby volumename length