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                                    宏源棋牌 > 技术园地 > 正文

                                    什么是pNFS(并行NFS)

                                    2009-12-28 12:21来源:中国存储网
                                    导读:介绍了pNFS并行技术的发展状况及pNFS的架构,打破了传统NFS的瓶颈,数据能够以并行方式以非常快的吞吐率被访问,系统容量能够容易的扩展而不影响总性能。

                                    网络文件系统(Network File System,NFS)是大多数局域网(LAN)的重要组成部分。但 NFS 不适用于高性能计算中苛刻的输入输出密集型应用程序,至少以前是这样。NFS 标准的最新修改纳入了 Parallel NFS(pNFS),它是文件共享的并行实现,将传输速率提高了几个数量级。

                                    什么是pNFS(并行NFS)

                                    pNFS产生

                                    宏源棋牌pNFSDEXIANGFACHANSHENGYU2003NIANGarth Gibson(PanasasDECHUANGSHIRENHECTO)HEMEIGUOLASIALAMOSIGUOJIASHIYANSHIDEGary GriderJISandiaGUOJIASHIYANSHIDELee WardDEYICIJIAOTANZHONG。.ZHEIGECHUSHIDETUFAQIXIANGZAI2003NIANZHIHOUYOUYIGECONGSHINFSBINGXINGCUNCHUQIKUOZHANDEGONGZUOSHIJIXUYANJIU,ZHEIGEGONGZUOSHIYOUGibsonHEMIZHIANDAXUEXINXIJISHUJICHENGZHONGXINDEPeter HoneymanZHUCHI。

                                    宏源棋牌GENGDUODEHEZUOHEJIAOTANDAOZHILE2004NIANXIANGIETFZUZHITIJIAOLECHUSHIXIANGTICHENSHU。ZHEIFENCHENSHUYOUGibsonHEPanasasDEBrent WelchJIWANGLUOSHEBEIGONGSIDEPeter CorbettZHUANXIE。CONGZHEISHIKAISHI,XINGYEDEZHICHIHEJIERUWENDINGDIZENGJIADAOZHILEIETFGONGZUOZUZAI2006NIANBApNFSNARUNFSv 4.1XIAOBANBENCAOANZHONG。Gibson,WelchHEQITAXUDUOPanasasDERENYUANJIXUQUANLITUIDONGZHEIGEBIAOZHUNXIANGQIANFAZHAN。

                                    并行基础知识:pNFS介绍

                                    ZUIJINJINIAN,GAOXINGNENGSHUJUZHONGXINYIJINGKUAISUXIANGBINGXINGJISHUZHUANYI,BIRUJIQUNJISUANHEDUOHEXINCHULIQI,ZHEIXIEJIASULEBINGXINGYINGYONGDEKAIFAHEGUANGFANSHIYONG。.  

                                    宏源棋牌SUIRANZHEIZHONGBINGXINGSHIYONGDEZENGJIAJIEJUELEDADUOSHUDEJISUANPINGJING,TAQUEBAXINGNENGPINGJINGZHUANYIDAOLECUNCHUI/OXITONG。SUIZHEZHULIUJISUANZHUANXIANGBINGXING,CUNCHUZIXITONGYEXUYAOZHUANYIDAOBINGXINGJISHU。WEILECHENGWEITONGYONGDEFANGSHI,XUYAOYIGEBIAOZHUNDEFANGFA,NENGGOUCONGDUOGECUNCHUGONGYINGSHANGXUANZECUNCHUSHEBEIBINGQIECONGRENHEKEHUDUANDOUNENGZIYOUDECUNQUBINGXINGCUNCHUQI。

                                    宏源棋牌WEILEZHUANXIANGGAOYIDENGJIDEXINGNENGSHUIPING,DANGCUNCHUXITONGYIFUDAOYIGEJINGJIYOUXIAODEBIAOZHUNSHIBIXUDUIBINGXINGZUOZUIYOUHUA。NFS,DANGQIANLIUXINGDEWANGLUOWENJIANXITONGBIAOZHUNBINGBUZHICHIBINGXINGI/O,ZHUYAOCUNCHUGONGYINGSHANGTIGONGDEXIANYOUBINGXINGCHANPINYEBUNENGBICIJIANRONG。ZAIYEJIETIGONGCHUYIGEBINGXINGCUNCHUDEBIAOZHUNZHIQIAN,YONGHUXUANYONGSHEBEIDOUJIANGJIXUSHOUDAOFANGAI,TAMENMIANQIANGDEBUSHUYITAOCUNZAIXUDUOBUJIANRONGDEBINGXINGCUNCHUXITONG。

                                    宏源棋牌JINNIANSHAOHOU,IETFGONGCHENGRENWUZUNFS v4 XIAOZUWEIYUANHUIYUJIJIANGJIESHUBINGXINGNFS(pNFS )XIEYIDEGONGZUO,TAJIANGSHINFS BANBEN4.1 RFCDEYIBUFEN。ZHEIGELICHENGBEIJIANGSHINFS V4.1CONGYINTEWANGCAOANCHENGWEIYIGETUIJIANBIAOZHUN。BINGXINGNFSNENGGOUZAIKEHUDUANHECUNCHUSHEBEIZHIJIANZHIJIEBINGXINGCHUANSONGSHUJU,BUXUYAOANGGUIDEYUANSHUJUGUANLIQI(filer head)。QIWANGTAZHICHILinux,WindowsHEZHUYAODEUNIXBANBENRUSolarisHEAIX。

                                    宏源棋牌ZHEIGEXINBIAOZHUNZHENGZAIYOUYIGECUNCHUXINGYEDEJISHULINGDAOZHEZUCHENGDELIANMENGGONGTONGKAIFA,BAOKUOPanasas,IBM,EMC,Network Appliance,SunHEMIZHIANDAXUEDEXINXIJISHUJICHENGZHONGXIN。

                                    当今NFS遇到的挑战

                                    宏源棋牌WEILELEJIEpNFSSHIRUHEGONGZUODE,SHOUXIANBIXULEJIEZAIYIGEDIANXINGDENFSJIEGOUZHONGDANGKEHUDUANSHITUCUNQUYIGEWENJIANSHISHIRUHEJINXINGDE。TU1ZHANSHILEYIGECHUANTONGDENFSJIEGOU。NIKEYIKANDAONFSFUWUQIWEIYUKEHUDUANJISUANJIHESHIJIDEWULICUNCHUZHUANGZHIZHIJIAN。DANGKEHUDUANXIANGYAOCUNQUCUNCHUQISHANGDEWENJIANSHI,TABIXUCHUANGJIANYIGEDAONFSFUWUQIDELIANJIE(YEJIUSHICHUANGJIANYIGEANZHUANGDIAN)。DANGKEHUDUANSHITUCUNQUCUNWENJIANSHINFSFUWUQIQIZHONGCAIZHEDEZUOYONG,GUANLISUOYOUXUYAODESHUJUCHULI,BASHUJUCHUANSONGDAOTICHUQINGQIUDEKEHUDUAN。

                                    YOUJIAOSHAODEKEHUDUANFANGWENXIANGDUIJIAOXIAODESHUJUJISHIZHEIZHONGJIEGOUGONGZUODEHENHAO,TONGGUOZHIJIELIANJIEDECUNCHUQINENGGOUSHOUDAOXIANZHUDEXIAOYI(JIUXIANGNIPCSHANGDECIPAN);YEJIUSHISHUJUNENGGOUYOUDUOGEKEHUDUANGONGXIANG,NENGGOUYOURENHEYOUNFSNENGLIDEKEHUDUANFANGWEN。KESHIRUGUODALIANGDEKEHUDUANXUYAOFANGWENSHUJUHUOTAIDADESHUJUJISHI,NFSFUWUQIHENKUAIJIUBIANCHENGLEYIGEPINGJING,YIZHILEXITONGXINGNENG。pNFSCONGGENBENSHANGXIAOCHULEZHEIGEPINGJING,YUNXUCONGXUDUOXUDUOKEHUDUANYINANYIZHIXINDESUDUKUAISUCUNQUFEICHANGDADESHUJU。

                                    什么是pNFS(并行NFS)

                                     

                                    什么是pNFS(并行NFS)

                                    pNFS消除了瓶颈

                                    ZHEILIWOMENKEYIKANDAOpNFSRUHEXIUGAILENFSJIEGOU,XIAOCHULEWOMENGANGCAITIDAODEXINGNENGPINGJING。SHIZHISHANGDEBIANHUASHINFSFUWUQIYIDONGDAOLEDAIWAI,BIANCHENGLEYIGEYUANSHUJUFUWUQI。YISIJIUSHITAGUANLIZHEYOUGUANSHUJUBUJUDESHUJU。NEIMEDANGYIGEKEHUDUANXUYAOCUNQUSHUJUSHITAXUYAOZUOSHENMENI?

                                    宏源棋牌TASHOUXIANYAOZUODESHIYUNFSFUWUQILIANXIJIUXIANGXIANQIANLIZIZHONGSUOZUODEYIYANG。KESHIZHEICIFUWUQITIGONGJIKEHUDUANYIGEDAONALIQUXUNZHAOSUOYAOSHUJUDEBUJUTUHEDU/XIUGAI/XIEZHEIXIESHUJUDESHOUQUANSHU。YIDANKEHUDUANYOULEZHEILIANGBUFEN,TACUNQUSHUJUSHIJIUZHIJIEYUCUNCHUSHEBEILIANXI。SHIYONGCHUANTONGDENFSSHISHUJUDEMEIGEBITEDOUYAOTONGGUONFSFUWUQI,SHIYONGpNFSSHINFSFUWUQICONGZHUSHUJUTONGLUZHONGYICHULAILE,YUNXUKEHUDUANZIYOUDIHEKUAISUDICUNQUSHUJU。DANGRANSUOYOUDENFSDEYOUDIANDOUJIXUBAOLIU,DANXIANZAIXIAOCHULEPINGJING,SHUJUNENGGOUYIBINGXINGFANGSHIYIFEICHANGKUAIDETUNTULVBEIFANGWEN,XITONGRONGLIANGNENGGOURONGYIDEKUOZHANERBUYINGXIANGZONGXINGNENG。

                                    pNFS性能

                                    以下性能测试是使用iometer工具,对lpNFS和spNFS两种pNFS的测试,其中lpNFS是指基于lustre宏源棋牌文件系统的,而spNFS是netapp公司的。

                                    什么是pNFS(并行NFS)

                                    OpenSolaris pNFS试用:

                                    Solaris DE pNFS SHIXIANZHENGZAI NFSv4.1 pNFS OpenSolaris XIANGMUXIAJINXINGKAIFANGSHIKAIFA。

                                    什么是pNFS(并行NFS)

                                    pNFSYANSHIYINGJIANPEIZHI

                                    CANKAOZILIAO:

                                    1、pNFS: A New Standard for Shared, HighPerformance Parallel I/O

                                    2、NFSv4.1/pNFS Ready for Prime Time Deployment

                                    3、

                                    4、Advances in NFS; NFSv4.1, pNFS and NFSv4.2(SNIA)

                                    5、AlexMcDonald_pNFS_NFSv43

                                    6、pNFS Lustre layout discussion

                                    7、Deploying pNFS across the WAN

                                    8、OSD-Based pNFS

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