你會揀 1 x 4Bays 定 2 x 2Bays?

論價相約
DS916+ 8GB: $4,560
DS216+II: $2,560

2 X 2 點行RAID5

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咁4bay行raid5定raid10?

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2 x 2bay,  1隻main site, 1隻off site

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當你有幾廿TB既珍藏,你就知兩部2bay係幾咁戇居的事。

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2隻2bay, 好快又唔夠玩,
到頭來又要換4bay, 搵黎搞

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本帖最後由 pc1668 於 2017-4-21 11:15 編輯

It depends on your personal need / storage pool size.

I would prefer 2-bay x 2.  But buying at different timing (coz 2-bay is good enough for my current usage).  As such, I can get another 2-bay sometime later, having newer/higher hardware spec.

If 4-bay is your immediate need, it seems getting a 4-bay nas is much better.

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916 +好似四核 CPU 已經唔同216+II
點睇都係一隻4BAY抵

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2隻2bay, 好快又唔夠玩,
到頭來又要換4bay, 搵黎搞

大部份人咁做。

2 x 2bay,  1隻main site, 1隻off site

高手中嘅高手,防埋恐怖襲擊同火災。

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本帖最後由 twaiho2003 於 2017-4-21 12:54 編輯

我就咁分析,  
raid5 就廢既,
raid6 4bay又唔抵,
最重要係
btrfs parity RAID should not be used for anything other than testing purposes.
ref: https://btrfs.wiki.kernel.org/index.php/RAID56
簡單D講 你得返 raid 1 揀
raid 1只要死淨一隻就得
只要2 WAY mirror就足夠
如果你2-way都可以死晒,  多數都天災人禍,  10-way mirror都收皮

2 x 2 可以physically分開放, 希望天災人禍 果時,  可以生存一隻

sorry, 我都未知你個用途,
我淨係從安全角度諗野,   如果d data唔係太重要就梗係1 X 4

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