
ã¡ãŒã«ãŒã¯ã3ã€ã®å€§èãªããŒã±ãã£ã³ã°ã¹ããŒãã¡ã³ããäœæããŸããã
- ã·ã¹ãã ã¯æžã蟌ã¿ãèªã¿åããåãããé床ã¯åãã§ãã
- ãã®ãã¹ãŠã«ãããå¿çæéã¯1ãæã®äžå®è² è·ã®åŸã§ã250ã500ãã€ã¯ãç§ã§å®å®ããŠããŸãã
- ã³ã³ããŒãã³ãããããããã«åãåºãããšãã§ããŸã-ã·ã¹ãã ã«ã¯äœãèµ·ãããŸããã
ãŸããã¹ããŒã¹ãæ°ååã®ä»®æ³ããªã¥ãŒã ã«åå²ãã20/80ã¢ãŒãïŒèšé²ã®80ïŒ ïŒã§4ãããã€ãã®ãããã¯ã§èšé²ããå€æ°ã®ã¢ããªã±ãŒã·ã§ã³ãèµ·åããŸããã ãããŠã圌ãã¯ã¢ãžã¥ãŒã«ã5æ¥éè² è·ãããç¶ããŸããã ããŒã±ãã£ã³ã°ãåãã€ããŠããããšãå€æããŸããïŒèšé²é床ã¯ãã¬ãŒã³ããŒã·ã§ã³ã§è¿°ã¹ããã1ããªç§ããéåžžã«é ããå¹³åã¯0.4ããªç§ã§ããïŒ40/60ã§0.25ã«éããŸããïŒã
ãã®åŸããªãã£ã¹ã§ã®ITãã£ã¬ã¯ã¿ãŒã®ãã¹ããã©ã€ãäžã«ãå®éã®åé¡ãçºçãå§ããŸããã å®éãç§ã¯æåŸ ç¶ã§ãçœå®³åŸ©æ§ãœãªã¥ãŒã·ã§ã³ã®ãã¢äžã«äœããã®åœ¢ã§ããŒã¿ã»ã³ã¿ãŒã®ã©ãã¯ããã©ã€ããã«åæžãããã®åŸãã€ãã³ããå¹³åçã«çµäºããæ©äŒã¯ãªãã£ããšè¿°ã¹ãŸããã èŽè¡ã¯è¡ãåŸ ã£ãŠããã®ã§ããã©ã€ããŒã§ãµãŒãã¹ãšã³ãžãã¢ã«é»è©±ããªããã°ãªããŸããã§ããã
450k IOPSã§ã2人ã®ãã¡ã³ãåŒãæãããšããå§ããŸããã ããã¯èŠ³å®¢ã«ã»ãšãã©æéãäžããŸããã§ããããªããªããç§ã¯2ã€ã®ã³ã³ãããŒã©ãŒã®ãã¡ã®1ã€ã«è¡ãããŽã¡ã€ãªãªã³ãããã«å¯ŸããŠäœãèšã£ãŠããããèŠããã£ãããã§ãã 2ã€ã®ãã¡ã³ãå·®ãåŒããšãã·ã¹ãã ãã²ã©ãããªããŸãïŒæ®ãã¯èªåçã«å éããŸãïŒããã®ããããšã³ãžãã¢ã2ã€ã®ã³ã³ãããŒã©ãŒã®1ã€ãåãåºããŠãããŒããŠã§ã¢ã3åã®1ã®é床ã§ããµã³ã¯ãããã ãã§ãããæ¯ãããã®ãããªé³ããèãããŸããã§ããã
泚æããã©ãã£ãã¯ïŒã«ããã·ãŒã³ã¹ããŒã ãšã¹ã¯ãªãŒã³ã·ã§ããã
åæã«äœãã©ã®ããã«æ©èœãããã®ãããªé床ãã©ãããæ¥ãã®ããç¥ãã«ã¯ãé ãããå§ããªããã°ãªããŸããã ææ°ã®ãã©ãã·ã¥ã¹ãã¬ãŒãžã®ã¢ãŒããã¯ãã£ã«ã€ããŠååã«ç解ããŠããå Žåã¯ãã·ã¹ãã ã¢ãŒããã¯ãã£ã«çŽæ¥ã¹ã¯ããŒã«ããŸãã ãŸãã¯ããã倧æãã¹ãã£ã³ã°äŒç€Ÿã®ä»£è¡šè ãèšã£ãããã«ãã圌女ãéãããšã¯ç¥ã£ãŠããŸããã圌女ãäœãããŠããã®ãããç¥ããŸãããã
ã¯ããã«
ããããããããã®ãããªç¬ç«ããã¹ãã¬ãŒãžã·ã¹ãã ã¯ãããŸããã§ããããµãŒããŒã«ã¯ããã¹ãŠã®æ å ±ãèšé²ãããããŒããã£ã¹ã¯ããããŸããã ãã®åŸãããå€ãã®æ å ±ãæžã蟌ãå¿ èŠãããããã®çµæãç£æ°ããŒãããã£ã¹ã¯ã¢ã¬ã€ãããã³ãã©ãã·ã¥ãã£ã¹ã¯ã¢ã¬ã€ã«äœæãããåå¥ã®ã¹ãã¬ãŒãžãå²ãåœãŠãããŸããã
ããã«ãããã»ããµã®éçºé床ã¯ããã©ã€ãã®éçºé床ãå€§å¹ ã«äžåããŸããã ãã£ã¹ã¯ã¢ã¬ã€ãåŸã ã«ããã«ããã¯ã«ãªããŸããã ããŒããã£ã¹ã¯èªäœã®ç©ççãªããŒããŠã§ã¢ã®å¶éãèãããšãè¿œå ã®åé·æ§ãåãã巚倧ãªé«éRAIDã®çµã¿ç«ãŠãéå§ããçŽæ¥èšé²ããåã«ã¢ã«ãŽãªãºã ãæé©åããŸããã ããããããã§ãé ã®äžã«é£ã³è¶ããããšã¯ã§ãããé床ã¯åºæ¬çã«æ°å¹Žéå¢å ããŸããã§ããã
ãã®åŸãæåã®ãã©ãã·ã¥ãã©ã€ããç»å ŽããŸããã ããã«éåžžã«èå³æ·±ãç¹ããããŸããçŸåšã®ã€ã³ãã©ã¹ãã©ã¯ãã£ãèãããšãã¢ãŒããã¯ãã£å šäœã®åãã©ãã·ã¥ãã©ã€ãã¯ãéåžžã®ããŒããã©ã€ãã®ã¬ãã«ãããé«éã§ããã ã€ãŸãããã©ãã·ã¥ãœãªã¥ãŒã·ã§ã³ã¯å€ãããŒããã©ã€ãã®ä»£ããã«ãªããŸããããããŠãèšé²ã³ã³ãããŒã©ãŒã®åã®ãã¯ãããžãŒã¹ã¿ãã¯å šäœã¯ããã©ã€ãããã¯ã¹å ã«æ¢ã«éåžžã®ç£æ°ãã£ã¹ã¯ã§åäœããŠãããšèããŠããŸããã ãããŠãããã¯ããã«ãã©ãã·ã¥ãã¯ãããžãŒã«å®å šã«äžèŠãªæäœã®å·šå€§ãªãªãŒããŒããããæå³ããŸããïŒããšãã°ãæé©åã¢ã«ãŽãªãºã ãåããã¹ãã¬ãŒãžãã£ãã·ã¥ã¯å®å šã«äžèŠã§ãããåã«ããŒã¿ã®äœåãªé 延ã§ãïŒãªãã«ããŠããããŒã¿ã¯äŸç¶ãšããŠãã€ã¯ããµãŒãããããé£ã³ãŸããïŒå€å žçãªã»ã¯ã¿ãŒã®èšé²ã¹ããŒã ã¯ãå®å šã«äžå¿ èŠãªã¹ããŒããŠã³ã«ãã€ãªãããŸããã åæã«ããã©ãã·ã¥ãã©ã€ãèªäœã®èšé²æ¹åŒãç°ãªã£ãŠãããããHDDãããã©ãã·ã¥ã«ã€ã³ã¿ãŒãã§ã€ã¹ãæããããã©ãã·ã¥ãšããŠæžã蟌ããããã«ã¬ããŒãžã³ã¬ã¯ã¿ãŒã¢ããã°ã䜿çšããŠèšé²ãããã³ã«ã3åäœæ¥ããå¿ èŠããããŸããã ã¢ãããŒãèªäœã¯ãåžå Žã§ã®SSDã®æ®åã«ãã£ãŠå€åããŠããŸãã-ãã¹ããã£ãã·ã¥ãæžã蟌ã¿ã¢ã«ãŽãªãºã ã«é¢ãããã¹ãŠã®åãåé¡ã
ãã®çµæãããæç¹ã§ããŽã¡ã€ãªãªã³ã®äººã ã¯ãã®åçãèŠãŠãç°¡åãªè³ªåãããŸããïŒãªããã©ãã·ã¥ã¡ã¢ãªããããåŸæ¥ã®HDDãããDRAMã«è¿ãé床ã§åäœããåæã«äžæ®çºæ§ã§ããå Žåãééããªãæ¢åã®ã¢ãŒããã¯ãã£ã«ãã蟌ãŸãªããã°ãªããªãã¯ã©ã·ãã¯ãã©ã€ãã®ä»£ããã«ã¹ãã¬ãŒãžïŒ çãã¯ãäœã¬ãã«ã®ãããã³ã«ãšãã³ãã©ãŒã®å·šå€§ãªæ代é ãã®èŠéã«ã®ã¿ãããŸããã åé¡ã¯ãã·ã¹ãã å šäœããŒãããéçºããå¿ èŠãããããšã§ããããã¯ãæéãšãéã®é倧ãªæè³ãæå³ããŸãã
ãã€ãªãªã³ã®ãšã³ãžãã¢ã¯ãããæ¢ããŸããã§ããã圌ãã¯ãããã¢ãŒããã¯ãã£ãžã®ã¢ã¯ã»ã¹ãèš±å¯ãããã©ãã·ã¥ã¡ã¢ãªæ±èã®ã¡ãŒã«ãŒãšå¥çŽãçµã³ãŸããã ãã®çµæããã°ããããŠãå€ãã®äœæ¥ãè¡ã£ãåŸãSSDãšæ¯èŒããŠãéåžžã«äœãé 延ã¬ãã«ã§ãæ å ±ãžã®ã¢ã¯ã»ã¹é床ãå€§å¹ ã«åäžããããµãŒããŒã¹ãã¬ãŒãžãäœæããããšãã§ããŸããã
å€ãæ¹æ³ã§åäœããŠããã¹ã¿ãã¯å šäœãåé€ããã«ã¯ããã£ã¹ã¯ãšããæŠå¿µèªäœãåãé€ãå¿ èŠããããŸããã ãã®çµæããã©ãã·ã¥ãã©ã€ããšã¯èšããªããã®ãã§ããŸãããDRAMã«äŒŒãèªç¶ãªãã€ã¯ãåè·¯ãããŒãã«ã«ãããŸãã
ãã©ãã·ã¥å¶é
第äžã«ãã»ã«ãããã®æžã蟌ã¿ãµã€ã¯ã«æ°ãå¶éãããŠããŸãã ãµãŒããŒçšã®æåã®ãã©ãã·ã¥ãã©ã€ãã¯ã1ã2ãæã®éäžçãªäœæ¥ã§ã¹ããªãŒãã³ã°ãããŠããŸããã ããããå Žåã«ãã£ãŠã¯ãããŒããã©ã€ãã䜿çšãããããåªããŠããå Žåãããããšã«æ³šæããŠãã ãããããŒããã©ã€ãã¯ãã¡ã«ããã¯ã®ããã«äºæž¬äžå¯èœãªç¬éã«é£è¡ããåŸåãããããã©ãã·ã¥ãã©ã€ããšãã€ã¯ããããã¯åžžã«æ£ç¢ºãªé害ç¹ãèªèããäºåã«èŠåããããšãã§ããŸã
第äºã«ããã©ãã·ã¥ãã©ã€ãã§ã¯ãåŸæ¥ã®ç£æ°ãã£ã¹ã¯ãšã¯ç°ãªããå€ãããŒã¿ã®äžã«æ°ããããŒã¿ãäžæžãããæ¹æ³ã¯ãããŸãããèšé²ã¯ç©ºã®ã»ã«ã§ã®ã¿è¡ãããšãã§ããŸãã ã€ãŸããå€å žçãªèªã¿åããšæžã蟌ã¿ã«å ããŠã3çªç®ã®æäœã§ããæ¶å»ã衚瀺ãããŸãã ããã¯åé¡ã«ãªããªãããã§ããäžæžãããåã«ã»ã«ãã¯ãªã¢ããå¿ èŠããããŸãããããã§äž»ãªå±éºæ§ããããŸããèªã¿åããšæžã蟌ã¿ãšã¯ç°ãªããæ¶å»æäœã¯éåžžã«é ãã§ãã æã ã
第äžã«ãæåã®2ã€ã®å¶éãåé¿ããããšã«æåããå Žåã3ã€ç®ãçºçããŸããã³ã³ãããŒã©ãŒããããã«ããã¯ãã«ãªãå¯èœæ§ãããããã®çµæžå šäœã管çããèªã¿æžãçšã®ããŒã¿ãæºåããå¿ èŠããããŸãã
ãããã®å¶éãåé¿ããªããšãéåžžã®SSDã§é»åã20ã40ïŒ å¢å ããã ãã§ãã åšããåãã°ãçŽ æŽãããæ°åãéæã§ããŸãã ãŽã¡ã€ãªãªã³ã¯ãããã®åé¡ãéåžžã«èå³æ·±ãããšã«è§£æ±ºããŸããã
ã·ã¹ãã ã¢ãŒããã¯ãã£ãèŠãŠã¿ãŸããã

ããã¯ãã·ã¹ãã å šäœãã©ã®ããã«èŠãããã§ã
ããã©ãã·ã¥ã¡ã¢ãªãã¡ããªãã¯ããšããŠæå®ããããšãªã¢ã§ã¯ã倧ããªé»ããã¡ã³ãèŠãŠãããã€ã¯ãåè·¯ã®å·šå€§ãªå±±ãèŠãããšãã§ããŸãã ããã¯ããã®ãããªããŒãäžã®ããã«ãããã©ãã·ã¥ã¡ã¢ãªã§ãã

åå¥ã®ããªãã¯ãã©ãã·ã¥å·¥å Žã
1ã€ã®ã¢ãžã¥ãŒã«ã«ã¯ã16åã®ããããã©ãã·ã¥ã¡ã¢ãªãè€æ°ã®DRAMã¢ãžã¥ãŒã«ã1ã€ã®ãããªãã¯ãçšã®1ã€ã®FPGAã«ãŒãããããŸãã å·¥å Žã®ã¬ã³ã¬ã¯æ倧64åã§ãã ããŒãå ã®ãã¹ãŠã®ããŒã¿æäœã¯FPGAäžã§ããŒã«ã«ã«å®è¡ãããããããããã®æžå¿µäºé ã䌎ãå€éšã³ã³ãããŒã©ãŒãããŒãããå¿ èŠã¯ãããŸããã
ãããã®ããšã®é£ã«4ã€ã®ä»®æ³RAIDã³ã³ãããŒã©ãŒãããããããã¯RAID 3 4 + 1ãšåæ§ã®ã¢ã«ãŽãªãºã ã䜿çšããŠãããªãã£ã«ããããŒã¿æŽåæ§ã®ç¢ºä¿ã«é¢äžããŠããŸãã ããã©ã«ãã§ã¯ãã³ã³ãããŒã©ãŒã¯ã¡ã¢ãªãŒã«ãŒããã³ã³ãããŒã©ãŒããšã«5åãš1åã®HotSpareã®ã責任ãã°ã«ãŒãã«åããŸãã ãã ãããã®ããŒãã£ã·ã§ãã³ã°ã¯ããçšåºŠãä»®æ³ãã§ãããåã¢ãžã¥ãŒã«ããåã¢ãžã¥ãŒã«ãžã®åãé床ã®ã¢ã¯ã»ã¹ã¯ãã¢ã¬ã€ã®ã¹ã€ããã³ã°æ§é ã«ãã£ãŠåžžã«ä¿èšŒãããŸãã åŸæ¥ã®ã¹ãã¬ãŒãžã¢ãŒããã¯ãã£ã§èšãããã«ãããã¯ãšã³ãã¯å®å šã«æ£çŽãªã¢ã¯ãã£ã/ã¢ã¯ãã£ãã§ãã
æŽåæ§ã¡ã«ããºã ã¯ãè€æ°ã®ã¡ã¢ãªã«ãŒãã次ã ã«æ éããŠãããŒã¿ãä¿åããŸããäž»ãªããšã¯ã2ã€ã®RAID 1ã¹ããããåæã«ãæ»ã¬ãããšã¯ãªããFLASHãã©ã€ãã§ã®åæ§ç¯ãã¯ããã«é«éã«ãªãããšã§ãã 確ãã«ãç¹æ®ãªç¹ããããŸãïŒæšæºçãªäº€æã§ã¯ãã·ã¹ãã ã¯ç Žæããã¢ãžã¥ãŒã«ãèªèããèªåçã«é»æºããªãã«ããŸãïŒãŸãã¯ãã€ã³ã¿ãŒãã§ã€ã¹ããã¢ãžã¥ãŒã«ã®é»æºããªãã«ããããšãã§ããŸãïŒããã®åŸãã¢ãžã¥ãŒã«ãåŒãåºãããã€ã³ã¿ãŒãã§ã€ã¹ã«æ°ããã¢ãžã¥ãŒã«ãã€ã³ã¹ããŒã«ãããŠã¢ã¯ãã£ãã«ãªããŸãã æãé¢çœãã®ã¯äœã§ãã-ãã¹ãŠããããããã«å€æŽã§ããŸãã ãã¹ãäžã«ãããŸããŸãªã¢ããªã±ãŒã·ã§ã³ã§æ倧æ°çŸã®ããªã¥ãŒã ãäœæãã20åééã§4ã€ã®ã¢ãžã¥ãŒã«ãé 次åãå€ããŸããïŒ1ã€ã¯ç·æ¥ã3ã€ã¯ã€ã³ã¿ãŒãã§ã€ã¹ãä»ããäºåã·ã£ããããŠã³ïŒ-ãã¹ãŠãæèšã®ããã«æ©èœããŸããã
ã¢ã¬ã€ã®é»æºã®ããããªãŒãã¹ãŒããŒãã£ãã·ã¿ãªã©ãå€éšé»æºé害ãçºçããå Žåã®ç¹å¥ãªä¿è·ã¯æäŸãããŸããã ããã¯ãã¢ã¬ã€ãçªç¶ã®åé»ããä¿è·ãããŠããªãããšãæå³ãããã®ã§ã¯ãããŸãããæåŸã®ãã©ã³ã¶ã¯ã·ã§ã³ããã©ãã·ã¥ã«ãªã»ããããã®ã«ååãªãšãã«ã®ãŒãé»æºãŠãããã«ä¿åãããŠãããååãªäœè£ããããŸãã é»æµãæ¶ãããšãã·ã¹ãã ã¯æ®ãã®ãšãã«ã®ãŒã䜿çšããŠFLASHã«ãã¹ãŠã®ããŒã¿ã40å以äžèšé²ã§ããŸãã
ããããããã«é²ãã§ãã¢ãŒããã¯ãã£ã®èŠ³ç¹ãããã¢ã¬ã€ãå€éšãšéä¿¡ããæ¹æ³ã確èªããŸãã

ã·ã¹ãã æ§æ
ãã®ãããå ¥åã«ã¯ãæšæºã®SANã€ã³ã¿ãŒãã§ã€ã¹ãä»ããŠããŒã¿ãéä¿¡ãããµãŒããŒããã®ããŒã¿ããããç®çã®é床ãšèŠæš¡ã§å€éšãŠããããæäœã§ããŸãã ãã®åŸãããŒã¿ãã²ãŒããŠã§ã€ã«å°çããããã§æçšãªæ å ±ãPCIe x8ããŒã¹ã®ãã©ã³ã¹ããŒãã€ã³ãã©ã¹ãã©ã¯ãã£ã«éä¿¡ãããŸãïŒãã®ãããªé床ã§åäœããã®ã«é ããªããã®ã¯ååãšããŠåäœãããå¿ èŠãªé 延ã¬ãã«ãç¶æããŸããïŒã4KBã®ãããã¯ã§vRAIDã³ã³ãããŒã©ãŒã«é ä¿¡ãããŸãã ãã®åŸãããªãã£ãèšç®ããã5ã€ã®ã¡ã¢ãªãã©ã³ã¯ã®ãã¡1ã€ïŒãã©ã³ã¯ããã1 KBïŒã«æžã蟌ãŸããŸãã
ãã©ã³ã¹ããŒãã€ã³ãã©ã¹ãã©ã¯ãã£ïŒãã€ãªãªã³ã®çšèªã§ã¯ä»®æ³ãããªãã¯ã¹ïŒã¯å®å šã«ååçã§ããã2ã€ã®åé·ACMã¢ãžã¥ãŒã«ã«ãã£ãŠå¶åŸ¡ãããŸãã ãããã®ã¢ãžã¥ãŒã«ã¯ã¢ã¬ã€ã®çŽç²ãªå¶åŸ¡èŠçŽ ã§ãããããŒã¿åŠçã®ããžãã¯ã«çŽæ¥é¢ä¿ããããã®æ©èœã¯çŽç²ã«å¶åŸ¡ããé»æºããå¶åŸ¡ãããã·ã¹ãã ã®ç¶æ ãç£èŠããŸãã ãã©ã³ã¹ããŒãã€ã³ãã©ã¹ãã©ã¯ãã£ã¯ãã³ã³ããŒãã³ãã®äžéšã«é害ãçºçããå Žåã§ãViolinããã±ãŒãžå ã§ãã¹ãŠãéä¿¡ããæ©èœãæäŸããŸãããããã·ãããŒããã«ãŠã³ãã§ããªãéããåäžé害ç¹ãäœæããŸããããé害ã®ç¢ºçã¯ããŒã¿ã»ã³ã¿ãŒã§ç«çœãçºçããå¯èœæ§ããããšããŸãã
ä»ãæãé¢çœããŠé£ããããšïŒèšé²ã®ããã®ãã©ãã·ã¥æè¡ã®å¶éãã©ããããïŒ è§£æ±ºçã¯äžè¬ã«è€éã§ã¯ãããŸãããããã€ãªãªã³éçºè ã«ãããšããã®åçŽãã¯åœŒãã«æãå°é£ããããããŸããã ãã®åé¡ã¯ãããŒã¿ã®é¢é£æ§ã倱ãããçŽåŸã«ã»ã«ãäºåã«ã¯ãªãŒãã³ã°ããããšã§è§£æ±ºãããŸãã 次ã®ããã«æ©èœããŸãïŒãåç¥ã®ããã«ãåãã©ãã·ã¥ã¡ã¢ãªãããã®å®éã®æªåŠç容éã¯ã宣èšãããŠãããããã¯ããã«å€ããããã¯è² è·ãããã¡ã€ã«ã«é¢ä¿ãªãã»ã«ãåäžã«å£åãããããã«è¡ãããŸãããããã£ãŠãç©çã¬ãã«ã§ã¯ãããããžã®åæžã蟌ã¿ã¯æ°ããã»ã«ã«è¡ããå€ãã»ã«ã¯äœ¿çšå¯èœãšããŠããŒã¯ãããŸãã¬ã³ãŒãã åæã«ãå€ãããŒã¿ã¯å ã®å Žæã«æ®ãããã空ã®ã»ã«ããªãç¶æ ã«ããã«ãªããåã¬ã³ãŒãã®åã«ã»ã«ãã¯ãªãŒãã³ã°ããå¿ èŠããããŸãããã®çµæãé床ãå£æ» çã«äœäžããŸãã

ããããããã SSDã®ããã©ãŒãã³ã¹ã°ã©ãã®ãã¬ãŒã¯
ãã€ãªãªã³ã®åäœã¯å°ãç°ãªããŸããåãããã®FPGAã¯åã»ã«ã®æ å ±ã®é¢é£æ§ãç£èŠããããŒã¿ãäžèŠã«ãªã£ãå Žåã¯ãã¬ããŒãžã³ã¬ã¯ã¿ãŒãšåŒã°ããç¹å¥ãªããã¯ã°ã©ãŠã³ãããã»ã¹ã§ããŒã¿ãã¯ãªãŒãã³ã°ããŸãã ãããã£ãŠãåã¬ã³ãŒãã¯åžžã«ç©ºã®ã»ã«ã«ç§»åããŸããããã«ãããããã©ãŒãã³ã¹ã®äœäžãåé¿ããããã©ãã·ã¥ã¡ã¢ãªããããèªã¿åãã ãã§ãªãæžã蟌ã¿ã«ãå¯èœãªéãå¹ççã«äœ¿çšãããŸãã
ã¢ãŒããã¯ãã£ãããäžåºŠèŠãŠã¿ãŸãããã
- ã³ã³ãããŒã©ã¯ããŒã¿ãåä¿¡ããããã«éä¿¡ããŸãã
- å¶åŸ¡ã¢ãžã¥ãŒã«ã¯ãPCIe x8ãä»ããŠãã¹ãŠã®ã³ã³ããŒãã³ããçžäºã«äº€æããã³ã³ããŒãã³ãã®ç£èŠãšå¶åŸ¡ãæäŸããŸãã
- ãã©ãã·ã¥ãã¡ã¯ããªã¯ãããŒã¿ãåå¥ã®ã¢ãžã¥ãŒã«ã«åæ£ããããŒã¯ã«å¿ããŠãã¹ãŠã®ãã©ã³ã¹ãåããããã«å éšãã¹ã®åäžãªæ©èãšåé·æ§ã確ä¿ããŸãã
FPGAãããäžã®ããŒããŠã§ã¢ã«å®è£ ã§ãããã®ãã¹ãŠãã€ãŸããéåžžãšã¯æ ¹æ¬çã«ç°ãªãã¬ãã«ã®çžäºäœçšãšåŠçé床ãæäŸãããŸãã
éå®èŠ
次ã«ãå¥ã®ã¡ã¢ãªãããã§ããã«äžãèŠãŠã¿ãŸãããã å®éã«ã¯ããããã«èšé²ããããã®2ã€ã®æè¡-SLCãšMLCããããŸãã SLCã¯ãåã¡ã¢ãªäœçœ®ã«1ããããMLC-ããã«å€ããæ ŒçŽããŸãã ãã®çµæãåãç©çãããäžã§ãSLCã¯ããé«éã§ããé·ãã¢ãžã¥ãŒã«å¯¿åœãæäŸããMLCã¯ããå€ãã®ã¹ããŒã¹ã確ä¿ã§ããããšãããããŸããã
ãã®å ŽåãäŸåé¢ä¿ãç·åœ¢ã«ãªãåã«ãSLCã¯2åã®é床ã§ååã®ã¹ããŒã¹ãæäŸããŸããã ãã ããè³¢ãViolinãœãããŠã§ã¢ïŒäœã¬ãã«ã®ããŒã¿åŠçãæãäžããã®ã«ã»ãŒ2幎ãè²»ãããïŒã®ãããã§ãMLCã¯SLCãšã¯æžã蟌ã¿é床ãçŽ50ïŒ ç°ãªããŸãã ãã€ãªãªã³ã®çµ±èšã«ãããšãMLCãããã®ãªãœãŒã¹ãå¢å ããŸããæ倧æžã蟌ã¿è² è·ã§ãã£ãŠããã¡ã¢ãªã¢ãžã¥ãŒã«ã¯å°ãªããšã4ã5幎ã¯åç¶ããŸãã
å Žæã®èŠæš¡ãšäœæ¥é床ã«å¿ããæ°äžä»£ã®ã©ã€ã³ãããã¯æ¬¡ã®ãšããã§ãã

è¡šã®éãã¯æ¬¡ã®ãšããã§ãã

ããã¯ããŒã¿ã»ã³ã¿ãŒã§ã©ã®ããã«èŠãããã§ãïŒ

èšçœ®æ-3Uã±ãŒã¹ã®ãã¹ãŠã®ã¢ã¬ã€ãé»å-480ã¯ããã®2ãããã¯ãæŸç±-匷åãª3 UãµãŒããŒã®ããã«ã
ã€ã³ã¿ãŒãã§ãŒã¹ãšç®¡ç

ã¢ã¬ã€ã®IOPSçµ±èšãããã¯ã1ã€ã®IBM 3850X5ãµãŒããŒãäœæã§ããæå€§è² è·ã§ãã

åãçµ±èšã§ãããã¡ã¬ãã€ã/ç§ã§ãã

ããªã¥ãŒã èšå®ã衚瀺ããŸãã
ã·ã¹ãã ã¯éåžžã«ã·ã³ãã«ã§ç®¡çããããããããã€ãªãªã³ã¯ã€ã³ã¿ãŒãã§ãŒã¹ãéåžžã«éèŠèŠããŠããŸããå©äŸ¿æ§ãšæäœæ§ããããŠã€ã³ã¿ãŒãã§ãŒã¹èªäœã®å®éã®åå¿é床ãšå¯èŠæ§ã§ãã

åäžã®æã®çµ±èšã衚瀺ããŸãã

åäœäžã®ãæãè ãããã®ä¿è·ã ã¢ã¯ã»ã¹ã®äžæãŸãã¯ããŒã¿ã®æ倱ã«ã€ãªããå¯èœæ§ã®ããã¢ã¯ã·ã§ã³ã«ã€ããŠã¯ãè¿œå ã®ç¢ºèªãå¿ èŠã§ãã

ã¢ã¬ã€ããŒãã®ç¶æ ã

äžè¬çãªé åçµ±èšã®ãŠã£ã³ããŠã

ããªã¥ãŒã ã®çµ±èšãŠã£ã³ããŠã¯åå¥ã«ã

ã·ã¹ãã ã®ããŒããŠã§ã¢ã³ã³ããŒãã³ããç£èŠããããã®ã€ã³ã¿ãŒãã§ã€ã¹ã

ããªã¥ãŒã 管çããŒãžã

ããŒãè² è·ç£èŠããŒãžã

å®å šã«ã«ã¹ã¿ãã€ãºå¯èœãªã¡ã€ã³ã®ç£èŠããŒãžã§ã¯ãã¢ã¬ã€ã®ç¶æ ã«é¢ãã管çè ã«ãšã£ãŠæãå¿ èŠãªæ å ±ã衚瀺ã§ããŸãã
ãã·ã¢ã®ãããã®è º
ãã€ãªãªã³èªäœã¯ã©ã®ããã«ããŠçãŸããã®ã§ããïŒ ãã§ã«è¿°ã¹ãããã«ãããã¯éåžžã«ç°¡åã§ããSSDã®å®¹éã§ã¯çŸä»£ã®åé¡ã解決ããã®ã«ãŸã ååã§ã¯ãªãããšãæããã«ãªãããã£ã¹ã¯ã®ããŒãã«ã¢ããªã±ãŒã·ã§ã³ãåºããããšã¯ã¯ãŒã«ãªã¢ã€ãã¢ã§ã¯ãªããæ±èãšã®ããŒãããŒã·ãããçµã³ãäœã¬ãã«ã§ã³ã³ãããŒã©ãŒãœãããŠã§ã¢ã®äœ¿çšãéå§ããŸãããè¿ããããã»ã¹ã®ç©çåŠã«è¿ãã 2005幎ã«ã·ã¹ãã ã®æåã®ã©ã€ã³ãæ§ç¯ããããã«åªããŠãããã瀺ããããŸããŸãªITè³ãåè³ããã·ãªã³ã³ãã¬ãŒã§ãä»å¹Žã®ã¹ã¿ãŒãã¢ããããšãªããã¹ãã¬ãŒãžã·ã¹ãã ã®äžçãã²ã£ããè¿ããŸããã çŸåšããµãŒããŒãœãªã¥ãŒã·ã§ã³ããã³ãœãããŠã§ã¢ã®å€ãã®å€§æã¡ãŒã«ãŒã¯ãViolinãœãªã¥ãŒã·ã§ã³ã䜿çšããŠããã³ãããŒã¯ïŒTPC-CãVMmarkãªã©ïŒã§ãã©ãããã©ãŒã ã®å¯èœæ§ãåŒãåºããŠããŸãã
ãŽã¡ã€ãªãªã³ã¯æåéããæšæ¥ãã ããã·ã¢ã«æ¥ãŠãCROCã¯ç¬å çãª1幎éã®ããŒãããŒã·ãããåãåããŸããã çŸåšãç§ãã¡ã¯çŸåšãå°å ã®ã¹ãã¢ããŒãå庫ãšèšç·ŽãåãããµãŒãã¹ãšã³ãžãã¢ãæäŸããŠããŸãã
å®è£ ã«é¢ããŠã¯ ãæçµäžä»£ã®éãšæ°åã®ãã§ã«æ°ãããã®ã®å€§èŠæš¡ãªçµ±åãæ°åãããŸããã ããšãã°ããã倧äŒæ¥ã§ã¯ãæ°çŸäžã®é¡§å®¢ã«ã€ããŠæ¯æã®è«æ±ã¬ããŒãã72æéçæãã22æéããçæããªããªããŸããã VDIãœãªã¥ãŒã·ã§ã³ã§ã¯ãå¿çæéãéåžžã«çããããã¹ãã¬ãŒãžã·ã¹ãã ããã®å¿çã®ããŠã³ã¿ã€ã ïŒåŸ æ©ïŒãåé¿ããããšãã§ããŸãããããã«ãããã«ãŒãã«ãããŒãã§ããããã«ãªããã³ã¢ãããã®å€ã10ãŠãŒã¶ãŒã®ä»£ããã«ãåæ§ã®ããã©ãŒãã³ã¹ã§ã³ã¢ããã25ãŠãŒã¶ãŒãåŸãããããã«ããã©ã€ã»ã³ã¹ãšã³ã³ãã¥ãŒãã£ã³ã°ãç¯çŽãããŸãæ©åšã
ã¡ãªã¿ã«ããã€ãªãªã³ããŒã±ãã£ã³ã°ã®ãããã§ã-ãããããããšã«ã圌ãã¯ããŸãç¥å床ã®é«ã声æãåºãããããŒã¯ãã©ã¡ãŒã¿ãŒã§ã¯ãªããæšæºçãªãã®ã瀺ããŠããŸã-ç§ãã¡ã¯çµå±ã¯ã€ã³ãã°ã¬ãŒã¿ãŒã§ãããä»ã®èª°ãã®ããŒã±ãã£ã³ã°ã®å€©æã«é äºãããã¯ã©ã€ã¢ã³ãããªã圌ããã¹ãŠãæã£ãŠããã®ãå°ããŸããããã§ã¯ãããŸããã ãã®ã¢ãããŒãã®ãããã§ãã¯ã©ã€ã¢ã³ãã¯äºæ³ä»¥äžã®ãã®ãåãåããŸãã
ããã§ããå€ãã®äººã¯ãã©ãã·ã¥ã·ã¹ãã ã®çŽ æŽãããé床ãä¿¡ããŠããªãã®ã§ããŽã¡ã€ãªãªã³ã®å Žåã¯ãéã§æãçªãããšãã§ãããã©ã€ãããã¹ãããã ãã§ãªããèšç®ãšè©Šè¡å®è£ ãè¡ããŸãã ããšãã°ãã¯ã©ã€ã¢ã³ããVDIã¹ãã¬ãŒãžã€ã³ãã©ã¹ãã©ã¯ãã£ã50,000 IOPã§50TBã®ããŒã¿ã«å¯ŸããŠ50,000ãŠãŒã¶ãŒã«å±éããå¿ èŠãããå Žåã2ã€ã®ãªãã·ã§ã³ãèæ ®ãããŸããïŒ2ã€ã®7 x 200GBãã£ãã·ã¥SSD 180 x 600GB SAS察Violin 6212ã12TB RAW = 7Tb ãé ããããŒã¿ãä¿åããããã®ããŒã¿ãš60 x 600GB SAS 18 x 3TB SATA ãã®çµæãçç£æ§ã5äžIOPSãã200,000 IOPSã«åäžããäžæ¹ã§ãã»ãŒ2åã®ç¯çŽã«ãªããŸãã
çºçã®è©³çŽ°ã«èå³ãããå Žåã¯ããã©ãã·ã¥ã¹ãã¬ãŒãžã䜿çšããŠåé¡ã®è§£æ±ºçãèšç®ãã vbolotnov @ croc.ruã«æžã蟌ã¿ãŸãã 念ã®ããããã®ãããªãããžã§ã¯ããçšæããŠããŒãã«ã«çœ®ãããšããå§ãããŸã-æ¥ã«æ¥å éããå¿ èŠãããå Žåã¯ããããååŸããŠèšç®ã衚瀺ããããšãã§ããŸãã