近五年先後購入各廠兩萬顆硬碟的存活率 - 3C
By Delia
at 2014-01-22T09:52
at 2014-01-22T09:52
Table of Contents
原文:http://blog.backblaze.com/2014/01/21/what-hard-drive-should-i-buy/
Backblaze (http://www.backblaze.com/zh_TW/) 今天放出了一筆有趣的資料,
內容是統計他們從2009年營運至今,所用過的各廠牌型號共27134顆硬碟的故障率,
我認為對本版版友會有些參考價值。
Backblaze以每月5美金提供真正無限儲存空間的雲端備份服務,他們自己設計
的4U機殼可以放45顆4TB硬碟共180TB,使用Supermicro MBD-X9SCL-F 主機板、
i3-2100、SiI3726 5 port SATA背板x9、Sil3124 4 port SATA RAID卡x3、
Zippy 760W 電源x2...等,不含硬碟材料費是$1942.59美金,整個系統的設計
包含機殼的3D CAD檔都是公開的:
http://blog.backblaze.com/2013/02/20/180tb-of-good-vibrations-storage-pod-3-0/
想要一個一樣的機殼,但是不想自己製作? 這邊也有成品可以買:
http://www.45drives.com/products/order/enclosure.php
Backblaze對硬碟的採購策略是價格優先,以[容量/價格]最高的硬碟優先考慮,
故障率是第二考量,但是不會願意花太多的錢去買低故障率的硬碟。
回歸正題,截至2013年底Backblaze所用的硬碟各廠數目如下:
Seagate - 12765 顆
Hitachi - 12956 顆
WD - 2838 顆
Toshiba - 58 顆
Samsung - 18 顆
Backblaze所用各硬碟廠牌型號的年故障率,依數量遞減排序:
型號 容量 數量 平均年齡 年故障率
Seagate Desktop HDD.15 (ST4000DM000) 4.0TB 5199 0.3 3.80%
Hitachi GST Deskstar 7K2000(HDS722020ALA330) 2.0TB 4716 2.9 1.10%
Hitachi GST Deskstar 5K3000(HDS5C3030ALA630) 3.0TB 4592 1.7 0.90%
Seagate Barracuda (ST3000DM001) 3.0TB 4252 1.4 9.80%
Hitachi Deskstar 5K4000 (HDS5C4040ALE630) 4.0TB 2587 0.8 1.50%
Seagate Barracuda LP (ST31500541AS) 1.5TB 1929 3.8 9.90%
Hitachi Deskstar 7K3000 (HDS723030ALA640) 3.0TB 1027 2.1 0.90%
Seagate Barracuda 7200 (ST31500341AS) 1.5TB 539 3.8 25.40%
Western Digital Green (WD10EADS) 1.0TB 474 4.4 3.60%
Western Digital Red (WD30EFRX) 3.0TB 346 0.5 3.20%
Seagate Barracuda XT (ST33000651AS) 3.0TB 293 2.0 7.30%
Seagate Barracuda LP (ST32000542AS) 2.0TB 288 2.0 7.20%
Seagate Barracuda XT (ST4000DX000) 4.0TB 179 0.7 n/a
Western Digital Green (WD10EACS) 1.0TB 84 5.0 n/a
Seagate Barracuda Green (ST1500DL003) 1.5TB 51 0.8 120.00%
各廠牌容量故障率統計圖:
http://goo.gl/JSv7Fp
Backblaze的評論是:
* Seagate的硬碟雖然故障率較高,但是因為價格優勢且效能不差,
結果就是買了不少顆Seagate硬碟。
* 如果Hitachi的硬碟價格是對的,那一定是全部都買Hitachi。
* WD只有在5年前買了一批1TB的綠標硬碟,年故障率只有3%,但是後來就因為
Seagate的價格優勢就很少買WD了。最近試了一批3TB紅標,表現還不錯,
但是還是貴了點。
三大廠36個月存活率圖:
http://goo.gl/qSiAtH
Backblaze的評論是:
* Hitachi完勝。
* WD硬碟頭3個月會先死票,但是撐過去就很少故障了。
* Seagate剛開始用故障率低,但是使用20個月時會死一大票,用越久死約多。
目前Backblaze的採購主力是Seagate 4TB (ST4000DM000),第二選擇是
WD 3TB 紅標 (WD30EFRX)。不知道Hitachi被WD買走之後,是不是還會有一樣的品質?
--
Backblaze (http://www.backblaze.com/zh_TW/) 今天放出了一筆有趣的資料,
內容是統計他們從2009年營運至今,所用過的各廠牌型號共27134顆硬碟的故障率,
我認為對本版版友會有些參考價值。
Backblaze以每月5美金提供真正無限儲存空間的雲端備份服務,他們自己設計
的4U機殼可以放45顆4TB硬碟共180TB,使用Supermicro MBD-X9SCL-F 主機板、
i3-2100、SiI3726 5 port SATA背板x9、Sil3124 4 port SATA RAID卡x3、
Zippy 760W 電源x2...等,不含硬碟材料費是$1942.59美金,整個系統的設計
包含機殼的3D CAD檔都是公開的:
http://blog.backblaze.com/2013/02/20/180tb-of-good-vibrations-storage-pod-3-0/
想要一個一樣的機殼,但是不想自己製作? 這邊也有成品可以買:
http://www.45drives.com/products/order/enclosure.php
Backblaze對硬碟的採購策略是價格優先,以[容量/價格]最高的硬碟優先考慮,
故障率是第二考量,但是不會願意花太多的錢去買低故障率的硬碟。
回歸正題,截至2013年底Backblaze所用的硬碟各廠數目如下:
Seagate - 12765 顆
Hitachi - 12956 顆
WD - 2838 顆
Toshiba - 58 顆
Samsung - 18 顆
Backblaze所用各硬碟廠牌型號的年故障率,依數量遞減排序:
型號 容量 數量 平均年齡 年故障率
Seagate Desktop HDD.15 (ST4000DM000) 4.0TB 5199 0.3 3.80%
Hitachi GST Deskstar 7K2000(HDS722020ALA330) 2.0TB 4716 2.9 1.10%
Hitachi GST Deskstar 5K3000(HDS5C3030ALA630) 3.0TB 4592 1.7 0.90%
Seagate Barracuda (ST3000DM001) 3.0TB 4252 1.4 9.80%
Hitachi Deskstar 5K4000 (HDS5C4040ALE630) 4.0TB 2587 0.8 1.50%
Seagate Barracuda LP (ST31500541AS) 1.5TB 1929 3.8 9.90%
Hitachi Deskstar 7K3000 (HDS723030ALA640) 3.0TB 1027 2.1 0.90%
Seagate Barracuda 7200 (ST31500341AS) 1.5TB 539 3.8 25.40%
Western Digital Green (WD10EADS) 1.0TB 474 4.4 3.60%
Western Digital Red (WD30EFRX) 3.0TB 346 0.5 3.20%
Seagate Barracuda XT (ST33000651AS) 3.0TB 293 2.0 7.30%
Seagate Barracuda LP (ST32000542AS) 2.0TB 288 2.0 7.20%
Seagate Barracuda XT (ST4000DX000) 4.0TB 179 0.7 n/a
Western Digital Green (WD10EACS) 1.0TB 84 5.0 n/a
Seagate Barracuda Green (ST1500DL003) 1.5TB 51 0.8 120.00%
各廠牌容量故障率統計圖:
http://goo.gl/JSv7Fp
Backblaze的評論是:
* Seagate的硬碟雖然故障率較高,但是因為價格優勢且效能不差,
結果就是買了不少顆Seagate硬碟。
* 如果Hitachi的硬碟價格是對的,那一定是全部都買Hitachi。
* WD只有在5年前買了一批1TB的綠標硬碟,年故障率只有3%,但是後來就因為
Seagate的價格優勢就很少買WD了。最近試了一批3TB紅標,表現還不錯,
但是還是貴了點。
三大廠36個月存活率圖:
http://goo.gl/qSiAtH
Backblaze的評論是:
* Hitachi完勝。
* WD硬碟頭3個月會先死票,但是撐過去就很少故障了。
* Seagate剛開始用故障率低,但是使用20個月時會死一大票,用越久死約多。
目前Backblaze的採購主力是Seagate 4TB (ST4000DM000),第二選擇是
WD 3TB 紅標 (WD30EFRX)。不知道Hitachi被WD買走之後,是不是還會有一樣的品質?
--
Tags:
3C
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