广东11选5

硬盘性能基准测试与测试陷阱

广东11选5ZAICESHICUNCHUXITONGXINGNENGDESHIHOU,ZHUYAOGUANZHULIANGGEZHIBIAO:IOPSHECHIXUSHUJUCHUANSHULV。IOPS (Input/Output Per Second)ZHIMEIMIAOCHULIDEI/OQINGQIUSHULIANG,I...


ZAICESHICUNCHUXITONGXINGNENGDESHIHOU,ZHUYAOGUANZHULIANGGEZHIBIAO:IOPSHECHIXUSHUJUCHUANSHULV。IOPS (Input/Output Per Second)ZHIMEIMIAOCHULIDEI/OQINGQIUSHULIANG,I/OQINGQIUTONGCHANGWEIDUHUOXIESHUJUCAOZUOQINGQIU。SUIJIDUXIEPINFANDEYINGYONG,RUXIAOWENJIANCUNCHU(TUPIAN)、OLTPSHUJUKU、YOUJIANFUWUQI,GUANZHUSUIJIDUXIEXINGNENG,IOPSSHIDUANBAN,SHIGUANJIANHENGLIANGZHIBIAO。CHIXUSHUJUCHUANSHULV(Sustained Transfer Rate)ZHIDANWEISHIJIANNEIKEYICHENGGONGCHUANSHUDESHUJUSHULIANG。SHUNXUDUXIEPINFANDEYINGYONG,CHUANSHUDALIANGLIANXUSHUJU,RUDIANSHITAIDESHIPINBIANJI,SHIPINDIANBOVOD,GUANZHULIANXUDUXIEXINGNENG,CHIXUSHUJUCHUANSHULVSHIGUANJIANHENGLIANGZHIBIAO。

IOPSHECHIXUSHUJUCHUANSHULVSHIYONGYUBUTONGDECHANGHE:DUQU10000GE1KBWENJIAN,YONGSHI10MIAO CHIXUSHUJUCHUANSHULV=1MB/s,IOPS=1000 ZHUIQIUIOPSDUQU1GE10MBWENJIAN,YONGSHI0.2MIAO CHIXUSHUJUCHUANSHULV=50MB/s,IOPS=5 ZHUIQIUTUNTULIANG

广东11选5IOPSYUCHIXUSHUJUCHUANSHULVDEGUANXI:CHIXUSHUJUCHUANSHULV = IOPS * PINGJUNI/OSHUJUKUAISIZECONGGONGSHIKEYIKANCHU:I/OSHUJUKUAISIZEYUEDA,IOPSYUEGAO,NEIMEMEIMIAOI/ODECHIXUSHUJUCHUANSHULVJIUYUEGAO。SHISHISHANG,ZHEILIANGGEZHIJUNYOUQIZUIDAXIANZHI,CONGSHIJICESHIJIEGUOKAN,WULUNHDDHAISHISSD,SUIZHESIZEZENGDA,SHUNXUDUXIESHICHIXUSHUJUCHUANSHULVDEZHIHUIXIANDADAOZUIDAZHI,ZHIHOUSIZEJIXUZENGDA,SHOUDAOZUIDACHIXUSHUJUCHUANSHULVXIANZHI,IOPSHUIJIANXIAO。

广东11选5SUOWEIYINGPANXINGNENGDEJIZHUNCESHI,JISHIJIANGZHEILIANGGEZHIZUOWEIYINGBIANLIANG(CESHIJIEGUO),SHEJIGEZHONGZIBIANLIANG(CESHITIAOJIAN),XUANZEHESHIDECESHIGONGJU,JINXINGKEXUEDE、KEDINGLIANGDEHEKEDUIBIDECESHI。

HDDQIBENZHISHIYIZHONGJIXIEZHUANGZHI,YINGXIANGCIPANXINGNENGDEGUANJIANYINSUSHICIPANFUWU。CIPANWANCHENGYIGEI/OQINGQIUSUOHUAFEIDESHIJIAN,TAYOUXUNDAOSHIJIAN、XUANZHUANYANCHIHESHUJUCHUANSHUSHIJIANZHEISANBUFENGOUCHENG。

广东11选5XUNDAOSHIJIAN(Tseek)SHIZHIJIANGDUXIECITOUYIDONGZHIZHENGQUEDECIDAOSHANGSUOXUYAODESHIJIAN。XUNDAOSHIJIANYUEDUAN,I/OCAOZUOYUEKUAI,CIPANDEPINGJUNXUNDAOSHIJIAN(Average Seek Time)YIBANZAI3-15ms。CHANGJIANCIPANPINGJUNWULIXUNDAOSHIJIANWEI(XIAMIANSHUJUJINGONGCANKAO,SHIJIYICHANGSHANGBIAOZHUDESHIJISHUJUWEIZHUN):7200ZHUAN/FENDESTATYINGPANPINGJUNWULIXUNDAOSHIJIANSHI9ms;10000ZHUAN/FENDESTATYINGPANPINGJUNWULIXUNDAOSHIJIANSHI6ms;15000ZHUAN/FENDESASYINGPANPINGJUNWULIXUNDAOSHIJIANSHI4ms

广东11选5XUANZHUANYANCHI(Trotation)SHIZHIPANPIANXUANZHUANJIANGQINGQIUSHUJUSUOZAISHANQUYIZHIDUXIECITOUXIAFANGSUOXUYAODESHIJIAN。PINGJUNXUANZHUANYANCHI(Average Latency)QUJUEYUCIPANZHUANSU,TONGCHANGSHIYONGCIPANXUANZHUANYIZHOUSUOXUSHIJIANDE1/2BIAOSHI。CHANGJIANYINGPANDEXUANZHUANYANCHISHIJIAN(XIAMIANSHUJUJINGONGCANKAO,SHIJIYICHANGSHANGBIAOZHUDESHIJISHUJUWEIZHUN):7200 rpmDECIPANPINGJUNXUANZHUANYANCHIDAYUEWEI60*1000/7200/2 = 4.17ms;10000 rpmDECIPANPINGJUNXUANZHUANYANCHIDAYUEWEI60*1000/10000/2 = 3ms;15000 rpmDECIPANQIPINGJUNXUANZHUANYANCHIYUEWEI60*1000/15000/2 = 2ms;

SHUJUCHUANSHUSHIJIAN(Ttransfer)SHIZHIWANCHENGCHUANSHUSUOQINGQIUDESHUJUSUOXUYAODESHIJIAN,TAQUJUEYUSHUJUCHUANSHULV,QIZHIDENGYUSHUJUDAXIAOCHUYISHUJUCHUANSHULV。SATA IIYIJINGDADAO300MB/sDEJIEKOUSHUJUCHUANSHULV,SATA IIIKEDADAO600MB/S(SATA IIIZUIDABIAOCHENGSHI6Gb/s,ZUIXINDESASZUIDABIAOCHENGYIJINGYOU12Gb/s),RANERJIXIEYINGPANDEPINGJINGZAIYUYINGPANNEIBUERBUZAIYUJIEKOU,SHUJUCHUANSHUSHIJIANTONGCHANGYUANXIAOYUQIANLIANGBUFENXIAOHAOSHIJIAN。JIANDANJISUANSHIZHEIBUFENKEHULVE。

广东11选5LILUNSHANGPINGJUNTtransferHETrotationXIAIOPSDEGONGSHILINGZIJIEWENJIANCHUANSHUXIADEIOPS = 1000ms / (CIPANXUANZHUANYANCHISHIJIAN(ms) + CITOUXUNDAOSHIJIAN(ms))XIABIAOSHISATAHESASJIEKOULEIXINGDECIPANIOPSCANSHUDUIBI:

广东11选5XIANERYIJIAN,DUIYUHDDZISHENERYAN,ZHUANSUDUIYUXINGNENGYOUJUEDINGXINGDEYINGXIANG。BUTONGZHUANSUDEHDD,BUYINGDANGZUOWEITONGYICENGCIDECHANPINJIANDANDETONGGUOXINGNENGJIEGUOLAIPINGJIAHEBIJIAO。

XIANJINGYI:SUOYOUHDDZAIBUQUFENZHUANSUDEQIANTIXIATONGYIBIJIAO。

广东11选5MUQIAN(2018)SHIMIANSHANGFUWUQICHANGYONGDEJIXIEYINGPAN,YIJINGYI7200ZHUAN~15000ZHUANSATA 6 Gb/sYUSAS 12Gb/sDENGPEIZHIWEIZHULIU。WOMENYIXISHU、XIJIEHERILISANJIAWEIDAIBIAO,JUTIYINGPANCANSHUZHIBIAOLIANJIERUXIA:

广东11选5XIJIE 15000RPM SAS 12Gb/s

(http://www.seagate.com/www-content/datasheets/pdfs/enterprise-performance-15k-hddDS1897-1-1608CN--zh_CN.pdf)

XISHU 7200RPM SATA 6 Gb/s

(http://products.wdc.com/library/SpecSheet/ENG/2879-800074.pdf)

RILI 10,520RPM SAS 12Gb/s

(http://www.hgst.com/products/hard-drives/ultrastar-c10k1800)

KEYIKANJIANJIGETEDIAN:

XINGNENGCANSHUZHONG,MEIYOUYIJIACHANGJIABIAOZHULEIOPSDEQINGKUANG。YUANYINBUMING,GERENCAICEYOULIANGDIANYUANYIN,QIYISHISHOUZHUANSUYINGXIANGDA,TONGGUO2.1ZHONGTIDAODEGONGSHIJIKEJISUANCHUSUIJIDUXIEXIAZUIDAIOPSDELILUNZHI;QIER,XIANGDUIYUSDDSHUWANDEIOPSERYAN,HDDDEIOPSSHUZHIRENGBAOCHIZAIBAIZHEIGESHULIANGJISHANG,XINGNENGXIANGCHAGUODA,WEILEBUBAOLURUODIANERBUDUIWAIBIAOZHU。

SHUJUCHUANSHULVFENWEILIANGZHONG,YIZHONGSHIZUIDASHUNJIANSHUJUCHUANSHULV(Interface Transfer Rate),ZHEIGEYUJIEKOUYOUGUAN;YIZHONGSHICHIXUSHUJUCHUANSHULV(Sustained Transfer Rate),ZHEIGECAISHICESHIGUANZHUDECANKAOZHI。

PINGJUNXUANZHUANYANSHIYUPINGJUNXUNDAOSHIJIANDEBIAOZHUQINGKUANG,BUTONGCHANGSHANGZHIJIANYOUSUOBUTONG——RILIQUANBUBIAOZHU,XISHUJUNBUBIAOZHU,XIJIEZHIBIAOZHULEYANSHI。

CHUCIZHIWAISUOYOUCHANGJIAJUNBIAOZHULEDUODUANHUANCUNDEDAXIAO,MUQIANDABUFENSHI256MB,DUIYUHUANCUNDUIHDDDEXINGNENGYINGXIANGJIUJINGJIHE,SHOUTOUMEIYOUHENHAODECANKAOZILIAOHESHIYANSHUJU,BUWANGJIAPINGLUN。GENJUZHIHULIMIANXIANGGUANWENTIDEJIEDA,HUANCUNJINJINSHIDUISHAOLIANGSHUJUPINFANFANGWENDEXINGNENGYOUSUOTIGAO,QIESHOUHUANCUNMINGZHONGLVYINGXIANG。

JIEHEZHANGJIE2.1HE2.2,ZAIJIZHUNCESHIBAOGAODEDUIXIANGLANMUZHONG,CHULEPINPAIXINGHAOWAI,ZHUANSUSHIWUBIYAOBIAOZHUDENEIRONG,CHUCIZHIWAI,JIANYIBIAOZHUJIEKOULEIXINGHESULV,YIJIHUANCUNDAXIAO。ZAIYOUSUOQUFENDEQIANTIXIA,JINXINGCESHIYUPINGJIA。

广东11选5ERDUIYUTONGYIKUAIYINGPANHUOZHEZISHENTIAOJIANXIANGLEIDEYINGPANERYAN,YINGXIANGXINGNENGZHIBIAODECESHITIAOJIANSHII/OFUZAI(DUXIEBILI、SHUNXUHAISHISUIJI、DUILIESHENDU、XUNZHIKONGJIAN、I/OSHUJUKUAIDAXIAO)YUKEGUANHUANJING(XITONGPEIZHI、CAOZUOXITONG、CIPANQUDONG)。JIZHUNCESHIDEGUOCHENG,ZAIYUBAOCHIKEGUANHUANJINGDEQIANTIXIA,SHEJIJIZUDIANXINGI/OFUZAILAIJINXINGCESHI。

SHOUXIANKANIOPS,ZHIKAOLVDUXIEYUSHUNXUSUIJIBILI,IOPSKEYIYOURUXIAJIGEZHIBIAO:

XUYAOZHUYIDESHI,ZAIZHANGJIE2.1ZHONGGUANYUHDDXIANGGUANIOPSYUZISHENZHUANSUXIANGGUANDELILUNJUNSHIJIYUYIGEQIANTI,JI“SHIJISHIYONGZHONGCUNZAIDALIANGDESUIJIDUXIEDAOZHIBUDUANDIXUYAOJINXINGXUANZHUANYUXUNDAO”,RUGUOSHIDANCHUNSHUNXUDUXIEXIAOSHUJUKUAI,HDDDEIOPSYIYANGKEYIGAODEJINGREN。CIWAI,LINGZIJIEWENJIANCHUANSHUXIADEIOPSYESHIPINGJUNTIAOJIANXIALILUNZHI,XIANSHICESHI4KSUIJIDUXIEXIADEZHIKENENGSHILILUNZHIDELIANGBEI。YIRILIYINGPANHGST HUC101812CSS200WEILI,GUANFANGBIAOZHULatency AverageWEI2.85ms,Seek TimeZUIXIAOZHIWEI3.3,JISUANCHULAIDEIOPSDELILUNZHIZHIYOU162ERYI,ERSHIJINAiometerCESHISHUJURUXIA:

ZHEIXIESHUJUSHIFOUZHENDECESHIJILUHECANZHAODEJIAZHI?CONGKEDUIBIXINGKAOLV,QIANMIANTIDAOLE,YINWEICHANGSHANGJUNWEIJICHUBIAOZHUZHI,WUFABIJIAOBUTONGHUANJINGXIANGTONGTIAOJIANXIAYUCHANGSHANGJIZHUNDECHAJU,ZHINENGZAIZIJICESHIJIEGUOZHIJIANHENGXIANGBIJIAO。ZAICONGSHIJIYIYIKAOLV,SHUNXUDUXIEYUDAsizeTIAOJIANXIADEIOPSSHUJUQISHIBUJUBEISHENMEJIAZHI。

广东11选5XIANJINGER:WEIIOPSSHEZHILEGUODUODECESHITIAOJIAN,SHIQULECANZHAOYIYI,ERMEIYOUKAOLVSHIJIQINGKUANGYUDAZHONGPINGJIABIAOZHUN。

SUOYI,GUANYUHDDDEIOPSXINGNENGCESHI,FENCHENGSANZHONGBUTONGQINGKUANGKAOLV:

SHOUJISHUJUZUOFENXIYULILUNYANZHENGDEQINGKUANGXIA,KEYIKAOLVRUSHANGBIAOYIYANGSHEZHIDUOYANGHUATIAOJIANXIACAIJIIOPSSHUZHI。

RUGUOSHIYIBANDEXINGNENGJIZHUNCESHI,ZHIYONGKAOLV4KSUIJIXIADEIOPS,DUXIEBILIDUIHDDDEXINGNENGYINGXIANGJIAOXIAO,JIANYIQUSHANGBIAOZHONGSIZUZHIJIKE。

RUGUOSHIYUCHANGSHANGDEXINGNENGJIZHUNBIJIAO,HUOZHEDANCHUNHDDZHIJIANXINGNENGBIJIAO,YEKEYIBUKAOLVIOPSERZHIBIDUICHIXUSHUJUCHUANSHULV。

广东11选5ZHEILIWEISHENMESUIJIXINGNENGDESHUJUKUAIZUIXIAOYI4KBIAOZHUN?(YIXIASHIGERENJIANJIE)YIFANGMIAN,SSDZUIXIAODANYUANpageSHI4K,HDDDEZUIXIAODEGUANLICUNCHUDANYUANCUDEDAXIAOYESHI4K;LINGYIFANGMIAN,TONGGUOYINGPANJIZHUNCESHIGONGJUPCMark 8MONIXIANSHISHIYONGHUANJINGDESHUJU,YINGXIANGXINGNENGZUIDADEYICISHISUIJI64KDUQU、SUIJI4KDUQU、CHIXU128KXIERUZHEISANGEFANGMIANDEXINGNENG,4KXIADESUIJIXINGNENGBIJIAOFUHESHIJISHIYONG。

HEIOPSYIYANG,CHIXUSHUJUCHUANSHULVDEJIZHUNCESHIYESHIKAOLVHUOQUTEDINGTIAOJIANXIADEPINGJINGZHI,BUGUOYUIOPSBUTONG,CHIXUSHUJUCHUANSHULVDEPINGJINGZHISHIZUIJIATIAOJIANXIACHANSHENGDE,YIWEIZHEZHEIGEZHIYESHIYINGPANTUNTULIANGXINGNENGNENGGOUDADAODEZUIDAZHI。TONGYANGNARILIYINGPANHGST HUC101812CSS200ZAIiomterXIACESHIJIEGUORUXIA:

GENJUDUOZUBUTONGPINPAIXINGHAOHDDDECESHISHUJUFENXI,HDDDECHIXUSHUJUCHUANSHULVZAI64K~1024KSHUNXUDUXIEDETIAOJIANXIA,FEICHANGDEWENDING。SUOYIDAZHONGBIJIAOJIANHUADECESHITIAOJIANSHIZHICESHIYIZU128KXIADESHUNXUDUXIEJIEGUO,ZHEISHIKEYIJIESHOUDE。ERXIANGSHANGBIAOYIYANGDUOQUJIZUBUTONGsizeDESHUJU,JISUANZUIDAZHIHUOZHEPINGJUNZHIZIRANYEMEIWENTI。

广东11选5SHANGMIANDECESHITIAOJIANYIJINGKAOLVLEDUXIEBILI(DUIHDDYINGXIANGBUDA)、SUIJISHUNXU、SHUJUKUAIDAXIAO,HAISHENGDETIAOJIANSHIDUILIESHENDUYUXUNZHIKONGJIAN。

XUNZHIKONGJIANBIJIAOJIANDAN,YIBANMORENWEIQUANPAN,ZAICESHIGONGJUZHONGXUANZEZHENGPANJINXINGCESHIJIKE,RUGUOSHIfioGONGJUCESHI,MINGLINGZHONGsizeCANSHUSHEZHIWEIYINGPANDEDAXIAO。DANGXUNZHIKONGJIANSHEZHIJIAOXIAOSHI,IOPSXINGNENGHUIYOUSUOTIGAO,KEYILIJIEWEICITOUXUYAOYIDONGDEJULIBIANXIAOLE,MEICIIOQINGQIUDEFUWUSHIJIANJIUJIANGDILE,ZHEIJIUSHIKONGJIANJUBUXINGYUANLI。

DUILIESHENDU(queue depth)ZAIBUTONGDEJIZHUNCESHIGONGJUZHONGCUNZAIBUTONGJIAOFA(JUTIJIANZHANGJIE4.2CESHIGONGJUDEYINGXIANG),YOUSHIHOUCHENGWEIGONGZUOXIANCHENGSHU,DANSHIJISHIYIGEGAINIAN。YINGYONGCHENGXUSHIYONGI/OTONGCHANGYOUERZHONGFANGSHI:TONGBUHEYIBU。 TONGBUDEI/OYICIZHINENGFACHUYIGEQINGQIU,DENGDAINEIHEWANCHENGCAIFANHUI,SUIRANXIANGYINGSHIJIANJIAODUAN,DANXITONGDETUNTULIANGHENXIAO。DUILIESHENDUSHIYIZHONGMINGLINGPAIXUJISHU,TOUGUODUOGEXIANCHENGBINGFAZHIXING,TONGSHIJISHEBEIGENGDUODEI/OQINGQIU。XIANGBIJIAOERYAN,YICITIJIAODUOGEI/OJISUODUANLECITOUYIDONGJULI(TONGGUODIANTISUANFA),TONGSHIYENENGGOUTISHENGIOPS。

ZENGJIADUILIESHENDUSHI,HUITISHENGIOPS,TONGSHIYEHUIZENGJIAXIANGYINGSHIJIAN,ZHIZHICIPANLIYONGLVYIJINGDADAOYIGEWENDINGZHUANGTAISHI,IOPSBUZAIZENGJIA。XIAMIANSHIDUIYIKUAISSDCIPANDE4KSUIJIXIEXINGNENGTONGJI:

DUILIESHENDU32HOUDEIOPSFENGZHISHIDUILIESHENDU1DEIOPSDE3BEI。

XIANJINGSAN:CESHIBUKAOLVDUILIESHENDUDEBIANHUA,NAMOREN1DEDUILIESHENDUXIADEJIEGUOQUHECHANGJIA64DUILIESHENDUXIADESHUJUZUOBIJIAO

广东11选5SUOYIZAISHEZHILE2.3.1HE2.3.2TIDAOTIAOJIANDEJICHUSHANG,XUYAOZAIJIARUDUILIESHENDUTIAOJIAN。YIBANJIANDANDEZUOFASHIJIANGDUILIESHENDUGUDINGWEI32HUO64,ZHEIYANGNENGGOUHUODEZUIJIAXINGNENGZHIYUCHANGJIADEBIAOZHUXINGNENGBIJIAO。ERRICHANGSHIYONGZHONGDUILIESHENDUYIBANYEJIU3~4,YAOHUODEGENGQUANMIANDESHUJU,KEYIHESHANGBIAOYIYANG,FENBIEQUCESHI1、2、4…XIADEBUTONGDUILIESHENDUDEXINGNENGZHI。

广东11选5CESHIHDDXINGNENGJIZHUNDECESHITIAOJIAN,NENGBUNENGZHIJIEBANGUOLAIWANGSSDXINGNENGCESHISHANGTAOYONGNI?DAANSHIBUNENG。SUIRANLIANGZHEDOUJIAOYINGPAN,DANSHINEIBUGOUCHENG、GONGZUOYUANLIWANQUANBUTONG,SSDDEFUZADUYUANGAOYUHDD,SUIRANCESHIGONGJUKEYIFUYONG,DANSHICESHITIAOJIANYAOZUOBIANHUA,MOGUIZAIXIJIE,JIANDANTAOYONGCECHUDEJIEGUOZHISHIJINGHUASHUIYUE,QUZUOSHUJUFENXIYUDUIBI,ZHIHUITUSHENGMIMANG。

XIANJINGSI:CESHISSDZHIJIETAOYONGHDDDECESHITIAOJIAN。

SHOUXIAN,ZAISSDZHONG,SHANCUNKELIZETIDAILEJIXIECIPANCHENGWEILECUNCHUDANYUAN,NANDKELILEIXINGYIBANYOUSLC、MLCHETLCSANZHONG。

广东11选5SLC=Single-LevelCell,JI1bit/cell,SUDUKUAISHOUMINGZHANG,JIAGECHAOGUI(YUEMLC3BEIYISHANGDEJIAGE),YUE10WANCICAXIESHOUMING ;

MLC=Multi-LevelCell,JI2bit/cell,SUDUYIBANSHOUMINGYIBAN,JIAGEYIBAN,YUE3000---10000CICAXIESHOUMING ;

TLC=Trinary-LevelCell,JI3bit/cell,YEYOUFlashCHANGJIAJIAO8LC,SUDUXIANGDUIMANSHOUMINGXIANGDUIDUAN,JIAGEBIANYI,YUE1000~2000CICAXIESHOUMING;JIANDANDISHUOSLCDEXINGNENGZUIYOU,JIAGECHAOGAO。YIBANYONGZUOQIYEJIHUOGAODUANFASHAOYOU。MLCXINGNENGGOUYONG,JIAGESHIZHONGWEIXIAOFEIJISSDYINGYONGZHULIU,TLCZONGHEXINGNENGZUIDI,JIAGEZUIBIANYI。DANKEYITONGGUOGAOXINGNENGZHUKONG、ZHUKONGSUANFALAIMIBU、TIGAOTLCSHANCUNDEXINGNENG。

广东11选5XIANJINGWU:CESHISSDHULVEKELI,LEISIYUHDDBUBIAOZHUZHUANSU。

广东11选5BUTONGKELIDUIXINGNENGYOUJIAODAYINGXIANG,CESHIQIANXUYAOLEJIEBINGBIAOZHUCHULAI。

广东11选5BUTONGKELIYINGXIANGGENGMIQIEDESHIPECISHU,JINERXIANZHILECUNCHUQIDESHOUMING。YIBANZAIRONGLIANGJIAOXIAO(XIAOYU64Gb),SHANGCENGYINGYONGXIERUPINFANDEQINGKUANGXIA,XUYAOZENGJIAYIGEDUISHOUMINGZHUJIANTIAOJIANXIADEXINGNENGCESHIXIANGMU,CESHIXUYAOHUAFEIJIZHOUSHENZHIJIGEYUESHIJIANGENZONG,ZHEILIBUZHANKAITAOLUN。

GONGZUOYUANLISHANG,ANintelDESHUOFA,HDDDEDUXIEGUOCHENGLEISIYUKUALAN,DONGZUOXIANGDUIDANYI。

ERSSDDEDUXIEGUOCHENG,ZEXIANGSHIZAIDALANQIU,FUZAQIAOMIAO。

广东11选5HDDHESSDZHIJIANXIERUFANGSHIDEQUBIEYUANYUCIXINGJIEZHIHENANDSHANCUNZHIJIANWULIXINGZHIDECHAYI。CIJIEZHIKEYIBEIZHIJIEFUGAIXIERUXINDESHUJU。

ERSHANCUNZAITONGYANGDEWEIZHIXIERUSHUJUJIUXUYAOXIANDUIYUANYOUDESHUJUJINXINGCACHU。

SSDZAISHUJUXIERUSHISHIYIYIGE4KBDAXIAODEpageWEIDANYUAN,DANZAISHUJUCACHUSHIQUESHIYIblockWEIDANWEI。YIBANLAISHUO,YIGEblockXIANGDANGYU128GEYEMIANDANYUAN,JI512KB。

广东11选5KEYIXIANGXIANGDAODEZUIHUAIQINGKUANGSHI,SUOYOUblockDOUYOUSHUJUJILU,DANMUBIAOblockZHONGYOUSHIXIAODESHUJUKEYICACHU。WEILEXIERU4KSHUJU,ZHUKONGHUIBAZHENGGEblockDESHUJUCONGNANDDUCHUBINGXIERUHUANCUN,SUIHOUCACHUNANDZHONGDEblock。RANHOUCACHUHUANCUNZHONGSHIXIAODEpageSHUJU,JIANGXINSHUJUXIERU,ZUIHOUJIANGHUANCUNZHONGBAOHANXINSHUJUDEblockZHONGXINXIERUNAND。ZHEIGEGUOCHENGBAOKUO:DUCHUSHUJU(512K)→CACHUSSD(512K)→ZAIHUANCUNZHONGXIUGAI(4K)→XIERUSSD(512K)。BENLAISHIXIE4KDESHUJU,QUEZAOCHENGLEZHENGGEKUAI512KDEXIERUCAOZUO,ZHEIBEICHENGWEIXIERUFANGDA(Write Amplification)。ERSSDSHIJIXIERUDESHUJULIANGHEBENJIXIERUDESHUJUZHIJIANBIZHIJIAOZUOXIERUFANGDALV(Write Amplification Factor,JIANCHENGWAF),SHANGLIZHONGDEWAFSHIFEICHANGDADE128BEI。JIYUSSDSHOUMINGKAOLV,XIERUFANGDAYUEJIEJIN1YUEHAO。SUIZHEJISHUFAZHANHESUANFAGENGXIN,XIANZAISHENZHIYOUTONGGUOHUANCUNZANCUNSHUJUERSHIXIERUFANGDAXIAOYU1DEYINGYONG。

KEYIZHEIMERENWEI,ZHENGSHIXIERUFANGDADAOZHILESSDXINGNENGJIZHUNCESHIDEFUZAHUA,YINWEITAYINSHENCHULEXIAMIANJIZHONGQINGKUANG。

SHOUCISHIYONGSSDSHI,SUOYOUKUAINEIDOUMEIYOUSHUJU,WOMENBAZHEIGEZHUANGTAICHENGWEIFOB(Fresh Out of the Box)ZHUANGTAI。CISHIXINSHUJUJUNWANGKONGBAIKONGJIANXIERU,BUXUYAOJINXINGFUZHIYUCACHU,YEJIUBUCUNZAIXIEFANGDA。ZHEIZHONGZHUANGTAIXIADECHUSHIXINGNENGCELIANGSHITONGCHANGHENGAO,DANSUIZHEKONGBAIKONGJIANYUANLAIYUESHAO,GCGUOCHENG(XIANGJIANZHANGJIE3.2.4)DEJIARU,XINGNENGZHUJIANXIAJIANG,ZHEIGEJIEDUANJIAOZUOZHUANHUANJIEDUAN(Transition State),TONGCHANGXUYAOCHIXUXIERUJIGEXIAOSHIHOUXINGNENGHUIGUDINGXIALAI,ZHEIGEJIEDUANJIAOZUOWENDINGJIEDUAN(Steady State)。ZHEIYESHIWEIHESSDYOUYUEYONGYUEMANZHEIZHONGSHUOFADEYUANYIN。(JINZHENDUIXIECAOZUO,DUCAOZUOXINGNENGBUSHOUCIYINGXIANG。)

XIANJINGLIU:ZHICESHIKAIXIANGZHUANGTAIXIADEZUIYOUXINGNENG,HUSHIJINRUWENTAIDEXINGNENGSHUJU

SHANGTUZHONG,LVSEBUFENBIAOSHIKAIXIANGHOUXIERUSHUJUDADAORONGLIANGDE1~2BEISHIDEQINGKUANG,CHENGSEBIAOSHI2~3BEIZHIJIAN,HONGSEDAYU3BEI。4KSUIJIXIERUZAIYIKUAI256GBDESSDSHANGZUODECESHI,DAYUEXUYAO3GEXIAOSHICAIJINRULEWENDINGZHUANGTAI。FOBSHIDECHIXUSHUJUCHUANSHULVSHI275MB/s,WENDINGZHUANGTAIXIAXIAJIANGDAOLE25MB/s,XINGNENGXIANGCHA10BEI。JIZHUNCESHIXUYAOCESHISSDJINRUWENDINGJIEDUANHOUDEXINGNENG,ZHEIXIEZHICAIZHENZHENGFANYINGCHUSSDWENDINGDEXINGNENG。ZHEIXUYAOHUAFEIJIXIAOSHIDESHIJIANFANFUCAXIESSD,QUEBAOMEIGEpageDOUZHISHAOFASHENGYICIPEHOU,CAISUANSHIJINRULEWENTAI。

3.2.2 XIERULISHI

广东11选5BUTONGDEXIERUFANGSHIHUIDUIDADAOWENTAISHIDEXINGNENGCHANSHENGYINGXIANG。XIERUGUOCHENGZHONG,SHUNXUXIERUTONGCHANGHUILIUXIAYIXIEDADEKONGBAILBA(Logical Block Address),ZHEIGEGUOCHENGZHONGGCCHULISUDUGENGKUAI,XINGNENGBIAOXIANGENGHAO;SUIJIXIERUTONGCHANGHUILIUXIAXUDUOXIAOKUAIDEKONGBAILBA,GCCHULISUDUGENGMAN,XINGNENGBIAOXIANGENGCHA。

SHUNXUXIEYUSUIJIXIEDAODAWENDINGZHUANGTAISHI,CHIXUSHUJUCHUANSHULVCUNZAIYIDINGDECHAJU,SHUNXUXIEDECHIXUSHUJUCHUANSHULVGENGGAO,BINGQIEHUIGENGKUAIDIJINRUWENDINGZHUANGTAI,RUXIATUSUOSHI:

ZHEILIHAIXUYAOKAOLVDEQINGKUANGSHI,SHANGTUZHONGDEXINGNENGZHISHUNXUYUSUIJIZHIJIANLIANGZHEBINGBUSHILIANXUJIAOCHACESHIDE。RUGUOSHUNXUXIERUHOUZAISUIJIXIERUXINGNENGHUIXIANDEGENGGAO(JIAOZHIYUYIZHISUIJIXIE),ERSUIJIXIERUHOUSHUNXUXIERUXINGNENGHUIXIANDEJIAODI(JIAOZHIYUYIZHISHUNXUXIE)。

XIANJINGQI:MEIYOUQUFENSUIJIXIEYUSHUNXUXIE,HUOZHELIANGZHELIANXUCESHI,ZHONGJIANMEIYOUJINXINGYUCHULI

SSDDEWENDINGZHUANGTAIXUYAOQUFENSUIJIXIEHAISHISHUNXUXIE,SHIYONGSUIJIXIEJINRUWENTAIHOUCESHISUIJIDUXIEXINGNENG,SHIYONGSHUNXUXIEJINRUWENTAIHOUCESHISHUNXUDUXIEXINGNENG。LIANGZHEBIXUZHIXINGDULIDECESHI,XUYAOYOUDANDUDEYUCHULIGUOCHENG。

广东11选5YUCHULIDIYIBU,DUIYUFEIFOBZHUANGTAIXIADESSD,XUYAOCACHUXIANYOUSHUJU。DIYIZHONGFANGFASHIANQUANCACHU(Secure Erase),KEYISHIYONGTxBENCHGONGJU,ZAIData ErasingBIAOQIANYEXIA,XUANZECESHIDESSDJINXINGenhanced Secure Erase,DIANJIstartJINXINGCACHU。RUGUOYINGPANXUANZEHOUSecurity FrozenRUGUOLIANGQI,BIAOSHIYINGPANBEISUODING,XUYAOXIANJIESUO。

LINGYIZHONGFANGFASHIZAIZHICHITrimDEQINGKUANGXIAKUAISUGESHIHUA,TONGYANGKEYIQINGCHUYIJINGXIERUDESHUJU。BUGUOANQUANCACHUKEYISHIYINGPANXINGNENGWANQUANHUIFUDAOFOBDEZUIYOUZHUANGTAIXIA,Trim+GESHIHUADECAOZUOXINGNENGHUIFUXIAOGUOHUIBIANQUANCACHUCHAYIXIE。RUGUOYAOCESHIZUIYOUXINGNENGHAISHIJIANYIANQUANCACHU。DIERBU,JIUSHISHEJIXIERUTIAOJIANZHIDAOYINGPANJINRUWENDINGZHUANGTAIHOUCESHIXINGNENG,ZHEILIKEYISHI4kSUIJIXIERU,YEKEYISHI128kSHUNXUXIERU。RUGUOSHISFZHUKONG,KEYIZAIJIARUSHANGZHITIAOJIAN,JUTICANJIANZHANGJIE3.3。DAODAWENTAIHOU,XINGNENGCESHIZHIXINGTIAOJIAN(SUIJIHAISHISHUNXU)BIXUYUZHIQIANXIERUFANGSHIYIZHI。ZHIHOUZHONGXINJINXINGSHUJUCACHU,QIEHUANXIERUFANGSHI,ZAICICESHI。

YOUYUDUSHUJUBUCUNZAIXIERUSHIFUZADEGUOCHENG,YINCIDUYUXIEXINGNENGHUIXIANGCHAHENDA。XIATUSHIIntel S3510 480GJINXINGSHIJICESHI4KSUIJIDUXIEBUTONGBILIXIADEIOPS。

广东11选5KEYIFAXIANCONG100%DUDAO95%DU,NAPAXIEIOPSZHIZHANLE5%,XINGNENGJIUXIAJIANGLE45%,DENGDAOLEZHENSHIQINGKUANG(XIEZHANJU30%~50%),XINGNENGYUBIAOZHUDEZUIJIAZHIXIAJIANGLEJIN80%。

XIANJINGBA:DUXIEBILIGAIBIANDUIXINGNENGYINGXIANGJIDA,DANCHUNZHIKAOLV100%DUHUOZHE100%XIEBUFUHEZHENSHIQINGKUANG

广东11选5YINGPANBUSHICD/DVD ROMQUDONGQI ,DANDUKAOLV100%DUDEXINGNENGWUYIYI,100%XIEYETONGLI。YIGEYOUXIAODEJIZHUNCESHIYINGGAIZAIDIANXINGXINGNENGFANWEINEIJINXING,SUOYICESHISHI,YINGGAIKAOLVJIANGDUXIEBILISHEZHIZAI70/30~60/40ZHIJIANZUIWEIHELI。

广东11选5WEILEJIEJUEWAFGUODADEWENTI,SSDYANYICHULEHENDUOJUTIDEGONGNENG,ZUIYOUDAIBIAOXINGDESHITrimMINGLINGHEGCLAJIHUISHOUJIZHI。

CAOZUOXITONGSHANCHUHEXIUGAIXIERUSHUJUDEGUOCHENG,SHISHISHANGBINGMEIYOUZHENZHENGSHANCHUNANDSHANGYUANLAIDESHUJU,ZHISHIQIEDUANLEZHIXIANGTAMENDEYINGSHEGUANXI,SHIDEYONGHUWUFAZAIFANGWENDAOZHEIXIEDIZHI,DANLIMIANDESHUJUHAIZAI。SSDBENSHENBINGMEIYOUNENGLIHUOZHINAXIESHUJUBIANCHENGLELAJISHUJU,YIZHIDAODENGDAOXITONGTONGZHITAYAOZAIZHEIXIEDIZHISHANGXIERUXINDESHUJU。LINGYIFANGMIAN,ZHEIXIELAJISHUJUHUIZAIGCDEGUOCHENGZHONGBEIDANGCHENGYOUYONGSHUJUDUIDAI,ZHEIDUIYUSSDDESHOUMINGSHIFEICHANGBULIDE,TONGSHIHUIDAOZHIGONGZUOXIAOLVHEXINGNENGDEJIANGDI。

广东11选5TrimSHIJIYUSATAKONGZHIQIDEYIGEZHILING,YIDANYOUWENJIANSHANCHUHUOZHEFENQUGESHIHUA,CAOZUOXITONGJIUHUIFATrimZHILINGJISSDZHUKONGGAOSUTAMOUCHUDESHUJUYIJINGSHANCHULE,SSDYINERZHIDAONAXIESHUJUSHINENGDONGNAXIEBUNENGDONGDE,ZHIHOUJIUKEYIJINXINGQINGKONGCAOZUOLE。BUGUOSHENMESHIHOUKAISHIQINGKONGSHUJUHUOZHESHIKAISHIGC,ZHEIXIEYIJINGYUTrimWUGUAN,SHIZHUKONGSUANFADESHI。QINGKONGDESHIHOU,SSDYIYANGHUIFUZHIZHENGGEBAOHANSHANCHUSHUJUDEKUAIDAOHUANCUN,QINGKONGKUAIBINGXIERUYOUXIAOSHUJUDEYEHUIQU,QUBIESHIZHEIYANGDENGYUBAZHEIGEYANCHISHIJIANCONGFUXIESHUJUDENEIGESHIJIANTIQIANDAOLESHANCHUSHUJUDESHIHOU,YINWEIZAIXIERUDESHIHOUYOUKEYONGDEKONGKUAI,ZIRANJIUXIANDEXIERUSUDUTISHENGLE。ZONGJIEYIXIA,TrimBAOZHENGSUDUBUXIADIEDEZHENZHENGMIMISHI:BAJIANGLAIYAOZUODESHITIQIANZUODIAOLE。DANSHIZHEIJIANSHICHIZAOYAOZUO,SUOYIJIBENBUHUIYINGXIANGSSDYUANYOUDEXIERUCISHU(SHOUMING)。

广东11选5TrimDEWANCHENGXUYAOJIDIAN:1.SSDDEZHUKONGZHIQIBIXURENSHITrimZHILING,YEJIUSHIGUJIANYAOZHICHI。2.CAOZUOXITONGBIXUHUIFASONGTrimZHILING,YEJIUSHISHANCHUSHIHOUHUIFASONG。(Win7、Windows 2008 R2、Linux 2.6.33、MAC OS 10.6.6、Free BSD 8.2JIZHIHOUDEXITONGDOUZHICHITRIMHUOZHELEISIZHILING)3.CAOZUOXITONGXIADEKONGZHIQIQUDONGBIXUYAOZHICHITrimZHILINGDECHUANSHU,YEJIUSHINENGGOUPass TrimZHILINGDAOSSDZHUKONGZHIQI。

LAJIHUISHOU(garbage collection,JIANCHENGGC)JIUSHIBAYIGESHANCUNKUAILIDEYOUXIAOYESHUJUFUZHIDAOYIGEKONGBAIKUAILI,RANHOUBAZHEIGEKUAIWANQUANCACHU。TAQISHIJIUXIANGDANGYUSSDDESUIPIANZHENGLI,DANTASHISSDZISHENDEYIZHONGJIZHI,BUYILAIYUCAOZUOXITONG。ZHEIYANGZUODEHAOCHUYIFANGMIANJIANSHAOXUNZHIFUDAN,LINGYIFANGMIANLIUCHUGENGDUODEKONGXIANBlock。SUOYILAJIHUISHOUDUIGUTAIYINGPANDEXINGNENGHESHOUMINGDOUQIDAOZHIGUANZHONGYAODEZUOYONG。

广东11选5YOUYUGCHUIDUISSDCHANSHENGDALIANGFUZAI,YINCIGCKEFENXIANZHIGCJIBEIDONGGC。XIANZHIGCJIUSHIRANGSSDZHUKONGZAIXITONGXIANZHISHITIQIANJINXINGGCCAOZUO,CHANSHENGYIDINGSHULIANGDEKONGBAIKUAI,RANGGCCAOZUOBUZHIYUMINGXIANYINGXIANGYONGHUSHIYONGGANSHOU,DANQUEDIANSHIHUIYINCIZAOCHENGEWAIDEXIERUFANGDA,YINWEIGANGGCDEYOUXIAOSHUJUKENENGHUIYINWEIYONGHUGENGXINERBIANWUXIAO。BEIDONGGCZESHISUOYOUSSDYIDINGJUBEIDE,SSDZHUKONGXINGNENGDUIBEIDONGGCXIAOLVYOUJUEDINGXINGYINGXIANG,YINWEICISHISSDXUYAOTONGSHIJINXINGGCJIYONGHUYAOQIUDESHUJUCAOZUO,SSDDEXINGNENGHUIYOUSUOXIAJIANG,YEJIUSHI3.2.1ZHONGDEZHUANHUANJIEDUAN。

TrimHEGCXIANGFUXIANGCHENG,TrimDALIANGJIANSHAO"YOUXIAO"YESHUJUDESHULIANG,JIANQINGGCDEYALI,TISHENGGCXIAOLV。ZHEILIANGXIANGJISHUYOUSSDBENSHENJUEDING,CESHIGUOCHENGZHONGWUFAGANSHE,YIBANBUHUINARUCESHITIAOJIANZHONG,ZHIXUYAOLIJIEQIGUOCHENGJIKE。

CIWAI,HAOSUNJUNHENG(wear leveling)JISHUBAOZHENGLESSDZHONGSUOYOUNAND FlashDEP/ECISHUBAOCHIJIBENYIZHI,BIMIANZAOCHENGMOUGEFlashCAXIECISHUTAIDUOERRONGYISUNHUAI。GAIJISHUSUIRANBUZHIJIEJIANSHAOXIEFANGDA,DANSHIYANZHANGLESSDDESHIYONGSHOUMING,YEXUYAOLEJIE。

OP(Over-provisioning)KONGJIANSHIZHIYONGHUBUKECAOZUODERONGLIANG,DAXIAOWEISHIJIRONGLIANGJIANQUYONGHUKEYONGRONGLIANG。YIBANBEIYONGYUYOUHUACAOZUORU:WLSUNHAOJUNHENG,GCLAJIHUISHOUHEHUAIKUAIYINGSHEDENG,JUTIRUHEYINGYONGYAOQUJUEYUSSDZHUKONGSUANFA。OPKONGJIANYIGONGBEIFENWEISANCENG。

DIYICENGYOUYUBIAOCHENGRONGLIANGCAIYONGQIANJINZHIWEIDANWEI,ERNANDKELIRONGLIANGDANWEIWEI1024JINZHI,LIANGZHEZHENGHAOXIANGCHAYUE7.37%,SHIDESSDBIDINGYAOYULIUXIA7.37%。RUGUOZHEIKUANSSDBIAOCHENG128G,NEIHUIYULIU9.4G,NEISHENGXIAYUE119G。DIERCENGOPSHIFOUCUNZAIJIRONGLIANGDAXIAOQUJUEYUCHANGSHANGSHEZHI,SSDCHANGSHANGHUIGENJUZIJIDESHANCUNKELIPINZHI,ZHUKONGXINGNENG,ZHIBAONIANXIAN,HUOSHIZHENDUISHICHANGDINGWEIJINXINGSHEZHI。ZHEIJIUKANDAOLEYOUYIXIEBIAOCHENG128GDESSDSHIJIZHIYOU112G。DISANCENGOPSHIYONGHUZAIRICHANGSHIYONGKEYIFENPEI,YONGHUKEYIZAIZIJICHUCIFENQUSHIBUBASUOYOUDESSDRONGLIANGQUANBUFENMAN,KEYILIUYIXIEWEIFENQUDEKONGJIANZUOOP。GUTAICUNCHUSHEBEIDEOPKONGJIANYUEDUO,XIERUFANGDAXISHUJIUHUIYUEXIAO,XINGNENGYUEGAO。SANXING840PRO 256GCESHICHENGJI:

ZAIYULIU25%,YEJIUSHI256GKONGCHU64GSHI,BUGUANWENDINGXINGHAISHISUIJIXIERUXINGNENGDOUBI12%HUO7%GENGJUYOUSHI,CHAOGUO25%DEYULIUKONGJIANGENGHAO,DANSHIYIKUAISSDBUKENENGYULIU50%DEKONGJIAN,NEIYANGTAILANGFEI。

XIANJINGJIU:WEIGUANZHUSSDDEOPKONGJIANDAXIAO

SHOUDONGZENGJIADISANCENGOPKONGJIANZUOWEIXINGNENGYOUHUASHOUDUAN,KEYIYISHI。RANERDUIYUXINGNENGJIZHUNCESHIERYAN,MEIYOUBIYAOGAODETAIFUZA,YINWEIYIBANCESHIDUIXIANGSHIWEIFENQUDEYUANSHIPAN,ZHIXUYAOZAICHANGJIAMORENDEOPKONGJIANPEIZHIXIACESHIJIKE,ZHIBUGUOZUOWEICESHIDUIXIANGDESHUXINGXUYAOBIAOZHUCHULAI。

DIANXINGDESSDJIEGOURUXIATUSUOSHI:

ZHUKONGZHANJULEDABUFENBILI,SHIJISHANGZHUKONGZAISSDZHONGZHISHIYIKEXINPIAN,YONGYULIANJIESHANCUNXINPIANYUNEICUN,JIESHOUXITONGFACHUDEZHILINGYIDUQUHUOZHEXIERUSHUJU。GC、SUNHAOJUNHENG、DUXIEHUANCUNDENGGONGZUOJUNYOUZHUKONGXINPIANZHIHUIWANCHENG。BUTONGDEZHUKONGYIJIQIDUIYINGDEfirmwareGUJIAN, DUIXINGNENGDEYOUHUAXIAOGUOHAISHICUNZAIMINGXIANDEQUBIE。CESHIDUIXIANGXUYAOBIAOZHUSUOSHIYONGDEZHUKONGFANGAN。

XIANJINGSHI:WEIGUANZHUSSDSUOCAIYONGDEZHUKONGFANGAN

SHIMIANSHANGZHUYAOZHUKONGFANGANYOUMarvellZHUKONGHESandForceZHUKONG(SHIYONGZUIDUODE),QITAYEYOUSHAOLIANGSSDSHIYONGintel、SANXING、DONGZHIDEZHUKONG。XUYAOTEBIEGUANZHUDESHI,SandForceZHUKONGTIGONGLEYIZHONGDuraWriteSHUJUYASUOJISHU。ZAICESHIZHEIYILEISSDDEXINGNENGSHI,SHOUSHUJUSHANGDEYINGXIANGJIDA。JUYOUDISHANGDESHUJUKEYIYIWUSUNHAOFANGSHIJINXINGZHONGFUSHUJUSHANCHU,YASUOHEQITACHULI,TISHENGLEXIERUDEXINGNENG

广东11选5SHUJUSHANG(Data Entropy),SHUJUYUESUIJI,SHANGYUEGAO,SHUJUYUEGUILV,SHANGYUEDI。

XIATUWEIXIERUSHANGZHIWEI100%、70%、20%DESHUJUSHI,XINGNENGDEBIAOXIANQINGKUANG:

KEYIKANDAO,100%SHANGZHISHI,SHIYONGGAIJISHUSSDDEXINGNENGYUWEISHIYONGGAIJISHUSSDDEXINGNENGBINGWUCHAYI,DANSUIZHESHANGZHIDEJIANXIAO,XIERUXINGNENGFASHENGLEJIDADETISHENG。

广东11选5XIANJINGSHIYI:HULVELEZHUKONGSHUJUSUOJIANJISHUDUIBUTONGSHANGZHISHUJUDEXINGNENGGAISHAN

广东11选5CAIYONGLEZHUKONGSHUJUSUOJIANJISHUDESSDJIANYICESHIXIERUGAOZHONGDISHANGZHISHUJUXIADEXINGNENG,QIZHONGZAI70/30~60/40DUXIEBILIXIAJIASHANG70%DESHANGZHIDEXINGNENGZUIYUSHIJIXIANGFU。BUGUOMUQIANNENGGOUJIANDANSHEZHIXIERUSHUJUSHANGZHIDECESHIGONGJUZHIYOUiometer2010,JUTICANJIANZHANGJIE4.2。

广东11选5SSDXUANZEintelYUXIJIELIANGJIACHANGSHANGDECHANPINJINXINGSHUJUCANKAO。

广东11选5seagate XF1230XILIE

(http://www.seagate.com/www-content/datasheets/pdfs/nytro-xf1230-ssdDS1951-1-1709CN-zh_CN.pdf)

intel S3510XILIE

(http://www.intel.cn/content/www/cn/zh/products/memory-storage/solid-state-drives/data-center-ssds/dc-s3510-series/dc-s3510-480gb-2-5inch-6gbps-16nm.html)

KEYIKANJIANDETEDIANSHI:

YUHDDBUTONG,SSDCHANGJIABIAOZHULEIOPS,YIBANDOUSHIZAI4kSUIJI32QDHUOZHE64QDXIADECESHIJIEGUO;CHIXUCHUANSHULVYIBANSHIZAI128KSHUNXUXIADECESHIJIEGUO。

广东11选5CHIXUCHUANSHULVYUIOPSDOUQUFENLE100%DUQUYU100%XIERUBUTONGQINGKUANGXIADEZHI。BUGUOJUNWEIKAOLVSHIJIYINGYONGBILIXIADEQINGKUANG(70/30~60/40DUXIEBI)。

SUIRANMEIYOUMINGQUEBIAOZHU,DANCHANGSHANGDEXINGNENGZHIJUNSHINADISHANGZHISHUJUZAIZHUKONGYOUHUAHOUJINXINGCESHIDEJIEGUO。

RUOSHIXUYAOYUCHANGJIADEXINGNENGSHUJUDUIBI,KEYIQUCESHIDUIYINGTIAOJIANXIADEZUIYOUXINGNENG;DANSHI,XIANGYAOHUODEGENG“ZHENSHI”XINGNENG,ZEYAOJIANGUWENDINGZHUANGTAI(QUFENSHUNXUYUYUSUIJI)、HELIDEDUXIEBI、HELIDESHANGZHIZHEIJIGETIAOJIAN。

RUGUOSHIJIYINGYONGZHONGYINGPANZUJIANLERAIDSHIYONG,ERXINGNENGCESHIZHICESHIDANPANXINGNENG,JIUTUOLILESHIJIYINGYONGCHANGJING。NEIME,ZUJIANLERAIDYAOKAOLVDEYINSUYOUNAXIENI?

YINGRAIDHAISHIRUANRAIDYINGRAIDHAISHIRUANRAIDYOULIANGCHUBUTONG:YICHULAIZIJIEKOUDAIKUAN,YINGRAIDYIBANSHIYONGDESHIPCIEJIEKOULIANJIEZHUBAN;RUANRAIDSHIYONGYINGPANBENSHENDEJIEKOU(DABUFENSHISATAHUOZHESAS)。LINGWAI,RAIDKABENSHENYEYOUHUANCUN、XINPIAN,ZUOLEYIXIEIOYOUHUA,BUTONGRAIDKAYEYINGQUFENDUIDAI。

RAIDLEIXINGBUTONGRAIDLEIXINGDUIDUXIEXINGNENGYOUYIDINGYINGXIANG,KENENGGENGKUAI,YEKENENGGENGCHA,JUTICANKAOXIABIAO。JBODMOSHIXIAGEGEYINGPANHAISHIGEZIWEIZHAN,XINGNENGDENGTONGYUDANPANXINGNENG。

XIANJINGSHIER:ZHICESHIDANPANXINGNENG,HUSHIZURAIDHOUDESHIJICHANGJINGXIAXINGNENG

MUQIANSHIMIANSHANGYINGPANXINGNENGJIZHUNCESHIDEGONGJUYOUHENDUO,ZHEIXIEGONGJURUANJIANDECESHIJIEGUOYEBUNENGYIGAIERLUN。

广东11选5SHOUXIAN,GUANJIANTIAOJIANCANSHUZAIBUTONGRUANJIANDEBIAOSHUBUTONG,MORENZHIBUTONG,SHIFOUKEPEIZHIYEBUYIDING。LIRUDUILIESHENDU(QD):ZAIiometerZHONG,ZHEIGEKEPEICANSHUSHIof Outstanding I/Os,MORENWEI1。ZAIFIOMINGLINGZHONG,CANSHUiodepthBIAOSHIDUILIESHENDU,ZHIYOUSHIYONGioengine=libaioSHICAIYOUYIYI。ZAIAS SSD BenchmarkZHONG,XIANGMU“4K-64Thrd”JIUSHIGUDING64QDXIADE4KSUIJIDUXIE。ZAICrystalDiskMarkZHONG,4KSUIJIDUXIEDEZEGUDINGZAI32QDXIAJINXING。

广东11选5DIER,BUTONGDECESHIRUANJIANCESHISHUJUDESHANGZHIBUYIYANG,JISHISHITONGYIRUANJIANBUTONGBANBENDOUHUICHANSHENGCHAYI。ZUIDIANXINGLIZIJIUSHIIOmeter 2006HEIOmeter 2008,QIANZHESHIGAOSHANGZHIDE,HOUZHESHIDISHANGZHIDE,YINCITONGYANGDESSDSHANG,YONGIOmeter 2008CESHIHUIXIANDEXINGNENGGENGGAOYIXIE。

广东11选5IOmeter 1.1.0SHUJUSHANGBIANCHENGLEKEPEIZHIXIANGMU,QIZHONGDIYIXIANGLEISI2008MOREN。HOULIANGXIANGLEISI2006MOREN。ZHINENGMONI100%SHANGZHIHUOZHE0%SHANGZHIDEQINGKUANG。

ZHENZHENGNENGGOUZIDINGYIBUTONGCHENGDUSHANGZHIDEGONGJUSHIIOmeter 2010。

DISAN,XIANGTONGTIAOJIANCESHIDEJIEGUOYOUYIDINGPIANCHA。XIAMIANSHI14KUANSSDZAIAS SSD BenchmarkHECrystalDiskMarkCESHISHUNXUDUDEBUTONGJIEGUO。

广东11选5DISI,GONGJUXINGNENGCELIANGFANGFABUTONG。DABUFENGONGJUCAIYONGDESHIZONGHEXINGCESHIFA,JICAIYONGGUILVXINGDEIOCAOZUOQUHENGLIANGXINGNENG。YEYOUBUSHAOGONGJUCAIYONGDESHIYINGYONGXINGCESHIFA,CAIYONGLESHIJIYINGYONGDEJIAOBENBINGYONGSHIJIANLAIHENGLIANGXINGNENG,LEISISHOUJIPAOFEN,BIJIAODIANXINGDEGONGJUSHIPCMark 8。ZONGHECESHIFAGONGJUDUIYUSSDLAISHUOGUOYUJIANDAN,XUYAOSHEZHIFUZADETIAOJIAN;ERYINGYONGXINGCESHIGENGJIEJINYUSHIJIQINGKUANG,DANYISHOUXITONGHUANJING(CPU、NEICUN)XIANZHI。

广东11选5XIANJINGSHISAN:HUSHIJIZHUNCESHIGONGJUZHIJIANDECHAYIXING,JIANGBUTONGGONGJUDECESHIJIEGUOHUNHEBIJIAO

KEYIXUANYONGDUOZHONGJIZHUNGONGJUCESHI,JIANYIZONGHEXINGCESHIFAWAIZHUIJIAYINGYONGXINGCESHIFA。JIEGUOBUNENGHUNWEIYITAN,ZHINENGZAITONGYIZHONGGONGJUCHANSHENGDEJIEGUOJIANJINXINGBIJIAO。

广东11选5BIERANGCESHIRUANJIANPIANLENI,ZHEN·ZHUANJIATANSSDZHENSHIXINGNENGCESHI

http://blog.hackroad.com/it-news/7504.html

广东11选5CESHIGUTAIYINGPAN(SSD) XINGNENGDEZHENGQUEFANGFA

http://wenku.baidu.com/view/d46eaf22dd36a32d737581d1.html?from=search

广东11选5Lies, Damn Lies And SSD Benchmark Test Result

http://www.seagate.com/cn/zh/tech-insights/lies-damn-lies-and-ssd-benchmark-master-ti/

Benchmarking SSDs:The Devil is in the Preconditioning Details

http://www.flashmemorysummit.com/English/Collaterals/Proceedings/2009/20090811_F2A_Smith.pdf

WEIJIBAIKE—IOPS

http://en.wikipedia.org/wiki/IOPS

广东11选5SSDKONGJIAN/XINGNENGGUANXITANXUN