AIX系统使用USB闪存设备.docx

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1、AIX系统使用USB闪存设备Inthisarticle,IwilldemonstratehowtocreateaUSBmemorystickfilesystem(hereaftercalledUSBstick)IamusingAIX7.1witha4GBSandiskmemorystick.TheseUSBstickscancomeinsizesupto256GB.Memorysticksareusefulinmyopinionbecause:Theyareidealforfastdataaccess.Theycanbeusedindatatransfer

2、wherenetworkperformanceispoor.Theyaregreatforscratchortemporaryfilesystems.Theyarecheaperthanotheralternatives.Theonlydownsideisthattheydohavealimitedlifeinthatthewritecyclesonthesedrivestypicallylastaround8-10years,beforethememorycellswearout.Butastheyarecheaptobuy,thisisreallyno

3、taconcernasyouwouldnodoubtreplacethemwithinthattimeperiodanyway.TheAIX6.1documentationstatesthatitsupportsthefollowingbrandedUSBsticks:SandiskLenovoKingstonHowever,Ihaveusedotherbrandedandnon-brandedUSBstickswithnoissuesfound.MountingaUSBstick（挂载USB设备）Besuretohavethecorrectfileset

4、(s)installedbeforeinsertingyourUSBstick.Thefollowingfile-setsarerequiredtoaccessaUSBstick:（先确定USB设备驱动包是否安装）#lslpp-Ldevices.usbif..rteFilesetLevelStateTypeDescription(Uninstaller)devices.usbif..rte7.1.0.15AFUSBMassStorageDeviceSoftware#lslpp-Ldevices.common.IBM.usb.rteFilesetLevelS

5、tateTypeDescription(Uninstaller)devices.common.IBM.usb.rte7.1.0.15AFUSBSystemSoftwareInserttheUSBstickandruncfgmgrtodiscoverit:（插入USB闪存设备）#cfgmgr（刷新硬件设备）Oncediscovered,youhavetwodevices(theblockandrawdevice):ls-l*usbms0cr--r--r--1rootsystem44,0Aug2218:59rusbms0br--r--r--1rootsyste

6、m44,0Aug2218:59usbms0Itisalsoshowninthedevicesoutput:#lsdev

7、grepusb（列出所有USB接口的设备）usb0AvailableUSBSystemSoftwareusbhc0Available08-08USBHostController()usbhc1Available08-09USBHostController()usbhc2Available08-0aUSBEnhancedHostController(3310e000)usbms0Available2.1USBMassStorageForAI

8、X5.3,thefirstUSBdeviceisshownasflashdrive0.Atthispoint,IcouldtreattheUSBstickasarawvolumeandwritedatatoit.However,inthisdemonstration,IwillmounttheUSBstickasafilesystem.IfeelthereisnoneedtocreatealogdeviceforthisUSBmount,sincethepurposeofascratchfilesystemisthatitistemporaryandthu

9、sspeedisoftheessencewhentransferr