RAIDZvsRAIDZ2vsRAIDZ3

RAIDZ-2的平均資料遺失時間(MTTDL)則明顯優於RAID-Z或雙向鏡像。在6個磁碟(4+2)上建立雙重同位檢查RAID-Z(raidz2)配置。RAIDZ-3配置 ...,2014年9月25日—RaidZ2x2isnotmirror.Itisatwosetofraidz2vdevs.Raidz2isalwaysfasterthanRaiz2x2,becausetheCPUneedstocalculatetwo ...,ThisissimilartoRAIDZ2intermsofdataprotection,exceptthatthisdesignsupportsuptoonefailurediskineachgroup(localscale),whileRAIDZ2allows ...,202...

參考資訊如下
ZFS 儲存集區建立最佳做法

RAIDZ-2 的平均資料遺失時間(MTTDL) 則明顯優於RAID-Z 或雙向鏡像。在6 個磁碟(4+2) 上建立雙重同位檢查RAID-Z (raidz2) 配置。 RAIDZ-3 配置 ...

ZFS Performance

2014年9月25日 — RaidZ2 x 2 is not mirror. It is a two set of raidz2 vdevs. Raidz2 is always faster than Raiz2 x 2, because the CPU needs to calculate two ...

ZFS Performance

This is similar to RAIDZ2 in terms of data protection, except that this design supports up to one failure disk in each group (local scale), while RAIDZ2 allows ...

全种类ZFS阵列磁盘性能实测与对比

2022年6月20日 — RAID7或RAIDZ3. 就像RAID 5和6一样分配奇偶校验，但是RAID7会丢失三个物理驱动器。由于需要计算三重奇偶 ...

What is RAID-Z? Its Difference Between RAID-Z2 vs RAID

2024年4月11日 — RAID-Z2 is more fault-tolerant, as it uses two parity blocks and two data blocks from one piece of information. This is an analogue of RAID 6 ...

RAIDZ Types Reference

Different RAIDZ levels have different speed and fault tolerance properties. Striped pools are not fault tolerant. RAIDZ1, RAIDZ2 and RAIDZ3 are fault ...

Raid-z3 worth it over Raid-z2 for 10-disk vdev?

2022年4月28日 — If I was asking about Raid-v2 vs mirror, then yea I get that a mirror vdev would be more optimal for something like databases, for example. But ...

When would I want to use raidz3 vs raidz2?

2019年3月22日 — That said, a sane RAIDzx level I generally abide by and have used for decades is to use RAIDz1 for 5 or fewer drives, RAIDz2 if your array is ...

raid-z2 or raid-z3?

2015年5月26日 — I think with the raid-z3 pool I had set up, it was giving me around 9.9TB of space. so I'm guessing with 6X 4TB drives in raid-z2, it will give ...

Raid-Z3 vs. Raid

2020年11月10日 — In my new build I have 8x 6TB HGST Drives available, now I am wondering if it is better to arrange the array in a Raid-Z3 configuration (8x6TB) ...