Solaris常见提问

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1、网上收集了一些solaris的面试题，算是对solaris学习过程的一个总结1.网友bininbinin问：在solaris上换掉一个坏的镜像答：问：如何设置，solaris的网卡如何做到loadbalance答：问：新添加的网卡，如何在solaris主机上识别出来答：问：如何添加网络上面的storage，识别新的网络硬盘？答：问：如何在线扩文件系统答：HowtoreplaceafailedSCSIdiskmirroredwithSolsticeDiskSuite(commandlinemethod)WITH

2、OUTtakingSolarisdown:Thefollowingassumptionshavebeenmadeforthisexampleprocedure:A.Servername=bigserver.company.comB.OS=Solaris7or8C.DiskSuiteversions4.2or4.2.1D.The‘bad’diskishot-swappable.E.Metadevicenumbersandstatedatabasereplicasaretakenfromthoseusedonth

3、eactualsystem.F.Actualcommandlinesyntaxisshowninboldtext.1.Collectoutputfromthefollowing:#metastat#metastat-p#metadb-i2.Toidentifythedisktobereplaced:Examinethe"metadb-i"output.Youshouldseea"W"intheflagsfieldassociatedwithslice7ofthediskexperiencingwriteerr

4、ors.Anotherindicationistolookattheoutputfromthe“format”command.Nexttothedevicenamethetextstring“”willappearindicatingthatthedisklabelcannotbereadandthereforeitisverylikelythatthediskhasfailed.Forthisexample,wewillassumethefaileddiskdevicei

5、sc0t0d0.3.Deleteanymetadevicestatedatabasereplicasthatareonthe'bad'disk:#metadb-dc0t0d0s7#metadb-i(tomakesuretheyhavebeendeleted)4.Stateofthesubmirrors:The“metastat”commandoutputreportsthatallsubmirrorsonthebaddiskareataStateof“Needsmaintenance”.Thisindicat

6、esthatDiskSuitehasautomaticallydisabledthesubmirrors,sothereisnoneedto“metadetach”thesubmirrors.5.Physicallyreplacethefailedhot-swappabledisk.6.Partitionthenewdisk:Easiestwaytodothisistocopythepartitiontablefromtherootmirror(c0t1d0s2)tothenewdisk(c0t0d0s2)w

7、iththefollowingddcommand:#ddif=/dev/rdsk/c0t1d0s2of=/dev/rdsk/c0t0d0s2count=16Verifythepartitiontablewascopiedcorrectlyusingtheformatutility.Type"format",selectthecorrespondingdisknumberfromthediskselectionmenu,thentype"p",then"p"againtoviewthepartitiontabl

8、e.CompareandmakesurethepartitiontablesmatchEXACTLY.7.Recreatethemetadevicestatedatabasereplicasthatweredeletedinstep3fromc0t0d0s7:#metadb-a-f-c3/dev/dsk/c0t0d0s7#metadb-i(verifythecreation)8.Re-enablet