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                宏源棋牌 > 技术园地 > Raid > 正文

                Raid技术白皮书(强烈推荐)

                2015-04-23 15:26来源:中国存储网
                导读:Raid技术白皮书全面介绍存储设备中所使用的各种 RAID 级别,以及每种模式下为优化硬盘在 RAID 阵列中的速度、RAID 原理,各级别raid及应用场景,raid容量计算等。

                RAID原理Raid 0Raid 1Raid2Raid 33+spareRaid 55+spareRaid 6 Raid 0+1 Raid 10 串联 JBOD

                RAID 原理

                RAIDSHIRedundant Array of Independent DiskSUOXIE(DULIRONGYUCIPANZHENLIE,SHIYIXIANGNENGTISHENGWAIBUCUNCHUJIEJUEFANGANXINGNENGDECUNCHUXUNIHUAJISHU。TANENGRANGNINGENJUZIJIZAIXINGNENG、RONGCUONENGLI、RONGLIANGDENGFANGMIANDEXUYAOXUANZEZUIJIADESHEBEISHIYONGFANGSHI。JIANDANDISHUO,RAID JISHUKEYIJIANGYIGEYINGPANSHANGDERENWUFENSANHUOFUZHIDAODUOGE(SHAOZELIANGGE)CIPANSHANG,JIECILAITIGAOXINGNENGHUOJIANLISHUJURONGYUYIFANGQUDONGQIFASHENGGUZHANG。NINKEYITONGGUOSHEDINGSHEBEIDE RAID MOSHILAIJUEDINGSHEBEIYIHEZHONGFANGSHICHULISHUJU。

                BENWENJIANGJIESHAOCUNCHUSHEBEIZHONGSUOSHIYONGDEGEZHONG RAID JIBIE,YIJIMEIZHONGMOSHIXIAWEIYOUHUAYINGPANZAI RAID ZHENLIEZHONGDESUDU、ANQUANXINGHUOCUNCHURONGLIANGERSHIYONGDETEXING。

                TIXING:RENHE RAID PEIZHIDOUBUNENGZAIRUANJIANHUOWENJIANXITONGSUNHUAIDEQINGKUANGXIAQUEBAOSHUJUDEKEKAOXING。YINCI,ZHONGGUOCUNCHUWANGubergeil.com,JIANYIDINGQIJINXINGBEIFEN,YIBIANBAOHUSHUJU。

                宏源棋牌RAID PEIZHIKERANGDUOGEYINGPANQUDONGQIYIBUTONGDEFANGSHI(LIRUSHIYONGTIAODAIJISHUHUOJINGXIANGJISHU)ZUHECHENGDANYIDEYUNXINGDANYUAN。RAID JUBEIRONGLIANGGENGDA、KEKAOXINGGENGGAO、SUDUGENGKUAI、TUNTULIANGGENGDAHUOSHUJUJICHENGNENGLIGENGQIANGDENGQIANZAIYOUSHI(HUOZUHEYOUSHI),YINCITONGCHANGYUTONGDENGJIBIEDEDANYIQUDONGQIXIANGBIGENGWEISHIHUI。

                RAID 级别

                宏源棋牌RAID JIBIEYOUXUDUOZHONG,GEYOUGEDEXIANZHIHEYOUDIAN。XUANZENAZHONG RAID JIBIEJIAOWEIHESHIWANQUANQUJUEYUYONGHUZISHENDEXUYAO。

                RAID 0:TIAODAIJI -(HUOTIAODAIJUAN)JIANGSHUJUPINGJUNFENBUDAOLIANGGEHUOLIANGGEYISHANGCIPANZHONG,BUDAIRONGYUQIOUXIAOYANXINXI。

                宏源棋牌RAID 1:JINGXIANGJI – ZAILIANGGEHUOLIANGGEYISHANGCIPANSHANGCHUANGJIANYIZUSHUJUDEJINGXIANGHUOYUANYANGFUBEN,TIGONGZHENDUIDANYICIPANGUZHANGDEBAOHU。

                宏源棋牌RAID 0+1:TIAODAIDEJINGXIANG – CIZHONGJIBIEDE RAID YONGYUZAIDUOGECIPANZHIJIANGONGXIANGHEFUZHISHUJU。

                宏源棋牌RAID 5:DAIQIOUXIAOYANDETIAODAIJI– XUYAOZHISHAOSANGECIPAN,JIANGDAIYOUQIOUXIAOYANSHUJUDESHUJUKUAIJITIAODAIFENBUDAOSUOYOUCIPANZHONG,ZHEISHIYIZHONGSHIXIANDIJIARONGYUDELIXIANGFANGFA。

                RAID 10:JINGXIANGDETIAODAI – YOUSHIYECHENGWEI RAID 1+0,TAYU RAID 0+1 LEISI,DANJIRAN RAID 10 SHIJINGXIANGDETIAODAI,SUOYITAYU RAID 0+1 QIAHAOXIANGFAN。

                宏源棋牌CHUANLIAN:JBOD – “JIANDANCIPANKUNBANG”,SHIYIZHONGJIANGDUOGECIPANZUHECHENGDANYIXUNIYINGPANDECHANGJIANFANGFA,ZHEIZHONGFANGFAWUFAXIANGSHOU RAID YOUSHI。

                RAID 术语

                WEIGENGHAODILEJIE RAID DEGONGZUOFANGSHI,SHOUXIANYINGSHUXIYIXIASHUYU:

                条带化宏源棋牌是指将数据分到多个驱动器上。条带 RAID 阵列通常用于将最大的容量合并到单个卷中。

                镜像宏源棋牌是指将数据复制到多个磁盘上。镜像 RAID 阵列通常能在阵列中有磁盘(至少一个)发生故障时确保数据不丢失,具体取决于阵列的 RAID 级别。

                容错宏源棋牌可让 RAID 阵列在磁盘发生故障时继续工作(即用户仍然可以使用阵列中存储的数据)。不过,并不是所有镜像 RAID 阵列都是用户友好的。例如,有些 RAID 设备必须在关闭后才能更换发生故障的磁盘,而设备支持“热插拔”式磁盘更换,因此可以在设备开启、而且数据可供访问的情况下更换故障磁盘。

                标准的 RAID 级别

                RAID 0

                RAID 0(ZAIMOUXIESHEBEIZHONGYECHENGWEI FAST MOSHI)SHISUDUZUIKUAIDEYIZHONG RAID MOSHI。TAXUYAOZHISHAOLIANGGEQUDONGQI,BINGQIEHUIJIANGSHUJUFENTIAODAOMEIGECIPAN。SUOYOUCIPANDEKEYONGRONGLIANGHEZAIYIQI,CHENGWEIJISUANJISHANGDEYIGELUOJIJUAN。YIDANZHENLIEZHONGYOUYIGEWULICIPANFASHENGGUZHANG,SUOYOUCIPANDESHUJUDOUJIANGBUKEFANGWEN,YINWEIYOUBUFENSHUJUYIBEIXIERUSUOYOUCIPAN。

                Raid技术白皮书(强烈推荐)

                RAID 0 应用场景

                RAID 0 SHIYAOQIUZUIGAOSUDUHEZUIDARONGLIANGDEYONGHUDELIXIANGXUANZE。YAOCHULICHAODAXINGWENJIANDESHIPINBIANJIRENYUANKEYISHIYONG RAID 0 LAIBIANJISHIPINDEDUOGELIU,YIDADAOZUIJIABOFANGXIAOGUO。RAID 0 ZHENLIEGENGSHIYUZAIPINFANDEWENJIANCHULI(LIRUSHIPINBIANJI)ZHONGSHIYONG,BUYIYONGZUOWEIYIDECUNCHUBEIFENJIEJUEFANGAN,YEBUYIZAIGUANJIANRENWUXITONGZHONGSHIYONG。

                如何计算 RAID 0 的容量

                RAID 0 系统中每个磁盘的容量都应相同。

                在 RAID 级别 0 配置中,存储容量的计算方式为驱动器数乘以磁盘容量,即 C = n*d,其中:

                C = 可用容量

                n = 磁盘数

                d = 磁盘容量

                例如,如果一个 RAID 0 阵列中包含四个驱动器,每个驱动器的容量为 1000GB,则阵列的总容量为 4000GB:

                C = (4*1000)

                RAID 1

                宏源棋牌RAID 1(ZAIMOUXIE SHEBEIZHONGYECHENGWEI SAFE MOSHI)SHIYIZHONGANQUANDE RAID MOSHI,TAZHISHAOXUYAOLIANGGEQUDONGQI,BINGQIEQUDONGQICHENGDUIGONGZUO。JISUANJISHANGJIANGANZHUANGYIGELUOJIJUAN,LIANGGEQUDONGQIHEBINGHOUDEKEYONGRONGLIANGXIANZHIWEIBUCHAOGUOZUIXIAOCIPANDERONGLIANG。RUGUOQIZHONGYIGEWULICIPANCHUXIANGUZHANG,KEYILIJICONGDIERGECIPANSHANGHUOQUSHUJU。JISHIYIGECIPANCHUXIANGUZHANG,YEBUHUIDIUSHIRENHESHUJU。

                Raid技术白皮书(强烈推荐)

                RAID 1 应用场景

                ZAIYIGECIPANCHUXIANGUZHANGSHI,RAID 1 KETIGONGZUIGAODESHUJUANQUANXING,DANYOUYUSHUJUXUXIERULIANGCI,YINCIZAIXIERUSHIXINGNENGHUILVEYOUXIAJIANG。ZAIGENGZHUZHONGANQUANXINGERFEISUDUDEQINGKUANGXIA,RAID 1 SHILIXIANGXUANZE。

                如何计算 RAID 1 的容量

                RAID 1 系统中每个磁盘的容量都应相同。

                在 RAID 级别 1 配置中,存储容量的计算方式为驱动器数乘以磁盘容量再除以 2,即

                C = n*d/2

                其中:

                C = 可用容量

                n = 磁盘数

                d = 磁盘容量

                例如,如果一个 RAID 1 阵列中包含四个驱动器,每个驱动器的容量为 1000GB,则阵列的总容量为 2,000GB:

                C = (4*1000)/2

                RAID 3

                RAID 3 SHIYONGZIJIEJIBIEDETIAODAIHUAJISHU,BINGCAIYONGZHUANYONGDEQIOUXIAOYANCIPAN(YOUCETULIZHONGDECIPAN 4),YINCIJISUANJISHANGHUIANZHUANGYIGEJUAN。RAID 3 ZHENLIENENGZAIYIGECIPANCHUXIANGUZHANGDEQINGKUANGXIAQUEBAOSHUJUBUDIUSHI。RUGUOYIGEWULICIPANCHUXIANGUZHANG,GAICIPANSHANGDESHUJUKEYIZHONGJIANDAOGENGHUANCIPANSHANG。RUGUOSHUJUSHANGWEIZHONGJIANDAOGENGHUANQUDONGQISHANG,ERCISHIYOUYOUYIGECIPANCHUXIANGUZHANG,NEIMEZHENLIEZHONGDESUOYOUSHUJUDOUJIANGDIUSHI。

                Raid技术白皮书(强烈推荐)

                RAID 3 应用场景

                RAID 3 ZAIYAODUQULIANXUDEZHANGWENJIAN(RUSHIPINWENJIAN)DEHUANJINGZHONGKETIGONGLIANGHAODESHUJUANQUANXING。YOUYUSHUJUSHICONGQIOUXIAOYANKUAIZHONGDUQU,YINCICIPANGUZHANGBUHUIDAOZHIFUWUZHONGDUAN。RAID 3 SHIYONGYUNEIXIEZHUIQIUXINGNENGBINGYAOQIUCHIXUFANGWENSHUJUDEYONGHU(RUSHIPINBIANJIRENYUAN)。DUIYUMIJISHIYONGBULIANXUWENJIANDEYONGHULAISHUO,RAID 3 BINGFEILIXIANGZHIXUAN,YINWEIZHUANYONGDEQIOUXIAOYANCIPANHUIYINGXIANGSUIJIDUQUXINGNENG。

                如何计算 RAID 3 的容量

                RAID 3 系统中每个磁盘的容量都应相同。

                在 RAID 级别 3 配置中,存储容量的计算方式为驱动器数减一再乘以磁盘容量,即

                C = (n-1)*d

                其中:

                C = 可用容量

                n = 磁盘数

                d = 磁盘容量

                例如,如果一个 RAID 3 阵列中包含四个驱动器,每个驱动器的容量为 1000GB,则阵列的总容量为 3,000GB: 

                C = (4-1)*1000

                RAID 3+Spare

                Raid技术白皮书(强烈推荐)

                宏源棋牌RAID 3+SpareMOSHIXIA,ZHENLIEZHONGHUIYOUYIGECIPANBAOCHIKONGZHIZHUANGTAI。RUGUOZHENLIEZHONGYOUQUDONGQIFASHENGGUZHANG,GUZHANGCIPANZHONGDESHUJUJIUHUIZIDONGZHONGJIANDAOKONGCIPAN(HUOCHENGWEI“BEIYONG”CIPAN)SHANG。

                RAID 3+Spare 应用场景

                宏源棋牌RAID 3+SpareMOSHIXIA,CIPANGUZHANGBUXUYAOLIJICHULI,YINWEIXITONGHUISHIYONGREBEIYONGCIPANDUIZIJIJINXINGZHONGJIAN,DANGUZHANGCIPANHAISHIYINGJINKUAIGENGHUAN。

                如何计算 RAID 3+Space的容量

                RAID 3+Spare系统中每个磁盘的容量都应相同。

                RAID 3+Spare配置中,存储容量的计算方式为驱动器数减二再乘以磁盘容量,即

                C = (n-2)*d

                其中:

                C = 可用容量

                n = 磁盘数

                d = 磁盘容量

                例如,如果一个 RAID 3+Spare阵列中包含四个驱动器,每个驱动器的容量为 1000GB,则阵列的总容量为 2,000GB:

                C = (4-2)*1000

                RAID 5

                Raid技术白皮书(强烈推荐)

                RAID 5 ZONGHELE RAID 0 DETIAODAIHUAJISHUYIJIZHENLIESHUJURONGYUJISHU(ZHENLIEZUISHAOBAOKUOSANGECIPAN)。

                宏源棋牌RAID 3 HE RAID 5 ZHIJIANDEQUBIEZAIYU,RAID 3 PEIZHITIGONGDEXINGNENGGENGGAO,DANZONGRONGLIANGLVEDI。SHUJUHUIZAISUOYOUCIPANZHIJIANFENTIAO,BINGQIEMEIGESHUJUKUAIDEQIOUXIAOYANKUAI (P) XIERUDAOTONGYITIAODAISHANG。RUGUOYIGEWULICIPANCHUXIANGUZHANG,GAICIPANSHANGDESHUJUKEYIZHONGJIANDAOGENGHUANCIPANSHANG。DANGECIPANCHUXIANGUZHANGSHI,SHUJUBUHUIDIUSHI,DANRUGUOSHUJUSHANGWEIZHONGJIANDAOGENGHUANQUDONGQISHANG,ERCISHIYOUYOUYIGECIPANCHUXIANGUZHANG,NEIMEZHENLIEZHONGDESUOYOUSHUJUDOUJIANGDIUSHI。

                Raid 5 应用场景

                RAID 5 ZONGHEKAOLVLESHUJUANQUANHECIPANKONGJIANCHONGFENLIYONGZHEILIANGFANGMIANDEYINSU。YOUYUSHUJUSHICONGQIOUXIAOYANKUAIZHONGDUQU,YINCICIPANGUZHANGBUHUIDAOZHIFUWUZHONGDUAN。RAID 5 SHIYONGYUGUIDANG,QIESHIHENEIXIEZHUIQIUXINGNENGBINGYAOQIUCHIXUFANGWENSHUJUDEYONGHU(RUSHIPINBIANJIRENYUAN)SHIYONG。

                如何计算 RAID 5 的容量

                RAID 5 系统中每个磁盘的容量都应相同。

                在 RAID 级别 5 配置中,存储容量的计算方式为驱动器数减一再乘以磁盘容量,即

                C = (n-1)*d

                其中:

                C = 可用容量

                n = 磁盘数

                d = 磁盘容量

                例如,如果一个 RAID 5 阵列中包含四个驱动器,每个驱动器的容量为 1000GB,则阵列的总容量为 3,000GB:

                C = (4-1)*1000

                RAID 5+Spare

                Raid技术白皮书(强烈推荐)

                RAID 5+SpareSHIYIZHONG RAID 5 ZHENLIE,QIZHONGYOUYIGECIPANYONGZUOBEIYONGCIPAN,YONGYUZAICIPANFASHENGGUZHANGSHILIJIZHONGJIANXITONG。YINCI,ZHISHAOXUYAOSIGECIPAN。

                RUGUOYIGEWULICIPANFASHENGGUZHANG,CIPANSHANGDESHUJURENGRANKEYIFANGWEN,YINWEISHUJUSHICONGQIOUXIAOYANKUAIZHONGDUQUDE。GUZHANGCIPANSHANGDESHUJUJIANGZHONGJIANDAOREBEIYONGCIPANSHANG。DANGGUZHANGCIPANGENGHUANHOU,GENGHUANDECIPANBIANCHENGWEIXINDEREBEIYONGCIPAN。DANGECIPANCHUXIANGUZHANGSHI,SHUJUBUHUIDIUSHI,DANRUGUOXITONGSHANGWEIJIANGSHUJUZHONGJIANDAOREBEIYONGCIPANSHANG,ERCISHIYOUYOUYIGECIPANCHUXIANGUZHANG,NEIMEZHENLIEZHONGDESUOYOUSHUJUDOUJIANGDIUSHI。

                RAID 5+Spare应用场景

                RAID 5+SpareDEZHUYAOYOUDIANZAIYU,ZAIXITONGJIANGSHUJUZHONGJIANZHIBEIYONGQUDONGQISHIYONGHURENGKEYIJIXUFANGWENSHUJU。TANENGTIGONGLIANGHAODESHUJUANQUAN,DANCIPANKONGJIANYOUYUREBEIYONGCIPANDECUNZAI(ZAIQITACIPANCHUXIANGUZHANGZHIHOUCAISHIYONG)ERSHOUDAOXIANZHI。CIPANGUZHANGBUXUYAOLIJICHULI,YINWEIXITONGHUISHIYONGREBEIYONGCIPANDUIZIJIJINXINGZHONGJIAN,DANGUZHANGCIPANHAISHIYINGJINKUAIGENGHUAN。

                如何计算 RAID 5+Space的容量

                RAID 5+Spare系统中每个磁盘的容量都应相同。

                RAID 5+Spare配置中,存储容量的计算方式为驱动器数减二再乘以磁盘容量,即

                C = (n-2)*d

                其中:

                C = 可用容量

                n = 磁盘数

                d = 磁盘容量

                例如,如果一个 RAID 5+Spare阵列中包含四个驱动器,每个驱动器的容量为 1000GB,则阵列的总容量为 2,000GB:

                C = (4-2)*1000

                RAID 6

                Raid技术白皮书(强烈推荐)

                ZAI RAID 6 ZHONG,SHUJUHUIZAISUOYOUCIPAN(ZUISHAOSIGE)JIANJINXINGFENTIAO,BINGQIEMEIGESHUJUKUAIDELIANGGEQIOUXIAOYANKUAI(RUYOUTUZHONGDE p HE q)XIERUDAOTONGYITIAODAISHANG。RUGUOYIGEWULICIPANCHUXIANGUZHANG,GAICIPANSHANGDESHUJUKEYIZHONGJIANDAOGENGHUANCIPANSHANG。ZHEIZHONG RAID MOSHIZUIDUOYUNXULIANGGECIPANCHUGUZHANGERBUDIUSHISHUJU,ERQIETANENGGENGKUAIDIZHONGJIANGUZHANGCIPANSHANGDESHUJU。

                RAID 6应用场景

                宏源棋牌ZAIQUDONGQICHUXIANGUZHANGSHI,RAID 6 NENGJINXINGYOUXIAODEZHONGJIAN,QUEBAOLESHUJUDEKEKAOXING。WEICI,ANQUANXINGYAOQIUJIAOGAO,ERXINGNENGYAOQIUBUGAODEYONGHUKEYIXUANZE RAID 6。

                如何计算 RAID 6 的容量

                RAID 6 系统中每个磁盘的容量都应相同。

                RAID 6 配置中,存储容量的计算方式为驱动器数减二再乘以磁盘容量,即

                C = (n-2)*d

                其中:

                C = 可用容量

                n = 磁盘数

                d = 磁盘容量

                例如,如果一个 RAID 6 阵列中包含五个驱动器,每个驱动器的容量为 1000GB,则阵列的总容量为 3,000GB:

                C = (5-2)*1000

                嵌套的 RAID 级别

                RAID 0+1

                Raid技术白皮书(强烈推荐)

                RAID 0+1 SHIYIZHONGANQUANDE RAID MOSHI,YOUTIAODAIJIDEJINGXIANGZUCHENG。RAID 0+1 ZHENLIEBAOHANDECIPANSHUYINGWEISIDEBEISHU。ZAI RAID 0+1 ZHENLIEZHONG,JUYOUWUGECIPANDECUNCHUCHANPINDEDIWUGECIPANJIANGCHENGWEIBEIYONGCIPANHUOKONGZHICIPAN。ZAIYOUTUZHONG,ZHENLIE B SHIZHENLIE A DEJINGXIANG。

                ZAI RAID 0+1 ZHENLIEZHONG,ZUIDUOYUNXULIANGGECIPANCHUXIANGUZHANGERBUHUIDIUSHISHUJU,DANGUZHANGCIPANBIXUSHUYUTONGYI RAID 0 DUILIE。ZAITUZHONG,YEJIUSHIDANGCIPAN 1 HECIPAN 2 CHUXIANGUZHANGSHI,SHUJUHUIBAOCUNDAOCIPAN 3 HECIPAN 4。

                RAID 0+1应用场景

                RAID 0+1 SHIYONG RAID 0 TIAODAIJISHULAITIGONGLIANGHAODESUDU,DANSHEBEIDEKEYONGRONGLIANGHUIJIANSHAOYIBAN(JIASHEZHENLIEZHONGSUOYOUCIPANDERONGLIANGDOUXIANGTONG)。

                如何计算 RAID 0+1 的容量

                RAID 0+1 系统中每个磁盘的容量都应相同。

                RAID 0+1 配置中,存储容量的计算方式为驱动器数乘以磁盘容量再除以 2,即

                C = n*d/2

                其中:

                C = 可用容量

                n = 磁盘数

                d = 磁盘容量

                例如,如果一个 RAID 0+1 阵列中包含四个驱动器,每个驱动器的容量为 1000GB,则阵列的总容量为 2,000GB:

                C = (4*1000)/2

                RAID 10

                Raid技术白皮书(强烈推荐)

                RAID 10(YECHENGWEI RAID 1+0)SHIHEBINGLEQITAJIBIE(YOUQISHI RAID 1 HE RAID 0)TEDIANDELINGYIZHONG RAID JIBIE。ZHEISHIYIZHONG“JINGXIANGJITIAODAI”,YISISHISHUJUZAILIANGGEJINGXIANGZHENLIEJIANFENTIAO。“TIAODAIHUA”ZAIZHENLIEZHIJIANFASHENG,ER“JINGXIANG”SHIZAIXIANGTONGDEZHENLIEZHONGCHUXIAN,LIANGZHONGJISHUDEZUHEJIAKUAILEZHONGJIANDESUDU。RAID 10 ZHENLIEBAOHANDECIPANSHUYINGWEISIDEBEISHU。ZAI RAID 10 ZHENLIEZHONGDIWUGECIPANJIANGCHENGWEIBEIYONGCIPANHUOKONGZHICIPAN。QINGCANJIANYOUTU。

                ZAI RAID 10 ZHENLIEZHONG,MEIGEJINGXIANGDUIZHONGKEYIYOUYIGECIPANCHUXIANGUZHANGERBUDIUSHISHUJU。BUGUO,GUZHANGCIPANSUOZAIZHENLIEDEGONGZUOCIPANHUICHENGWEIZHENGGEZHENLIEZHONGDERUODIAN。RUGUOJINGXIANGDUIZHONGDELINGYIGECIPANYEFASHENGGUZHANG,ZEHUIDIUSHIZHENGGEZHENLIE。

                RAID 10应用场景

                宏源棋牌RAID 10 SHIYONG RAID 0 TIAODAIJISHULAI TIGONGLIANGHAODESUDU,DANSHEBEIDEKEYONGRONGLIANGHUIJIANSHAOYIBAN(JIASHEZHENLIEZHONGSUOYOUCIPANDERONGLIANGDOUXIANGTONG)。

                如何计算 RAID 10 的容量

                RAID 10 系统中每个磁盘的容量都应相同。

                RAID 10 配置中,存储容量的计算方式为驱动器数乘以磁盘容量再除以 2,即

                C = n*d/2

                其中:

                C = 可用容量

                n = 磁盘数

                d = 磁盘容量

                例如,如果一个 RAID 10 阵列中包含四个驱动器,每个驱动器的容量为 1000GB,则阵列的总容量为 2,000GB:

                C = (4*1000)/2

                其他配置

                串联

                Raid技术白皮书(强烈推荐)

                CIPANCHUANLIANSHI,QIRONGLIANGJIANGHUIHEBING,BINGQIESHUJUHUIXIERUZHENLIEZHONGDEZHUCIPAN,ZHUCIPANXIEMANHOUZAIXIERUXIAYIGECIPAN。CHUANLIANWUXINGNENGYOUSHI,YEBUNENGZENGJIASHUJUANQUANCUOSHI。TAZHISHIYIZHONGWEIKUODAZONGRONGLIANGERJIANGLIANGGEWULICIPANZUHEWEIYIGEJUANDEFANGFA。

                TONGGUOCHUANLIANKEYIWANQUANSHIYONGZHENLIEZHONGSUOYOUCIPANDERONGLIANG,BINGQIEZAICIPANFASHENGGUZHANGSHIDABUFENSHUJUDOUKEYIBAOCUNXIALAI。ZHIYOUGUZHANGCIPANSHANGDESHUJUYIJIBUFENXIERUGUZHANGCIPANHEZUOYECIPANDESHUJUCAIHUIDIUSHI。

                如何计算串联容量

                在串联配置中,存储容量的计算方式为驱动器数乘以磁盘容量,即 C = n*d

                其中:

                C = 可用容量

                n = 磁盘数

                d = 磁盘容量

                例如,如果一个串联阵列中包含四个驱动器,每个驱动器的容量为 1000GB,则阵列的总容量为 4000GB:

                C = (4*1000)

                JBOD

                Raid技术白皮书(强烈推荐)

                宏源棋牌JBOD DAIBIAO“JIANDANCIPANKUNBANG”。ZHENLIEZHONGDEMEIGECIPAN,WULUNSHISHUYUBUTONGSHEBEIHAISHITONGYISHEBEI,DOUHUIZUOWEIDANDUDECIPANANZHUANGZAIJISUANJISHANG。

                如何计算 JBOD 容量

                JBOD 阵列的总容量就是每个磁盘容量之和,即

                C = n*d

                其中:

                C = 可用容量

                n = 磁盘数

                d = 磁盘容量

                例如,如果一个 JBOD 阵列中包含四个驱动器,每个驱动器的容量为 1000GB,则阵列的总容量为 4000GB:

                C = (4*1000)

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