雖然這篇RAIDZ2鄉民發文沒有被收入到精華區：在RAIDZ2這個話題中，我們另外找到其它相關的精選爆讚文章
[爆卦]RAIDZ2是什麼？優點缺點精華區懶人包
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#1ZFS raidz2性能影響Freenas上的讀寫速度| 2021
我在使用raidz2配置的家庭備份FreeNas盒上遇到一些性能問題，我想知道是什麼原因引起的（處理能力不足，環保驅動器？）。它正在運行：
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#2全种类ZFS阵列磁盘性能实测与对比|RaidZ1 RaidZ2 RaidZ3 Mirror ...
RAID6或RAIDZ2. 会与数据一起分配奇偶校验，并且可能会丢失两个物理驱动器，而不是像RAID 5那样仅丢失一个物理 ...
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#3ZFS檔案系統儲存應用7大優勢 - iThome
... 的邏輯磁碟管理功能，可提供RAID 0、鏡像（RAID 1）、RAID Z（RAID 5）、RAID Z2（RAID 6）與RAID Z3等多種磁碟組態，以及快照、Clone等功能。
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#4双奇偶校验RAID-Z (raidz2)
双奇偶校验RAID-Z (raidz2). Solaris 10 11/06 发行版：现在，冗余RAID-Z 配置可以具有单奇偶校验或双奇偶校验配置，这意味着可以分别承受一个或两个设备故障，而不会 ...
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#5三小時架好FreeNAS 私有雲（3） - 丘桑的寫意人生
接著會需要定義ZFS （FreeNAS 的檔案系統）的Pool Name，所謂Pool Name即是系統的儲存池與其型態，可以選擇RAID 10、RAID Z2、RAID Z1、RAID 0或自動 ...
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#6I am so confused, which is right actually? 4 drive raidz2 or ...
4 drive raidz2 or 3drive raidz1 with future upgrade headroom. Hello,. I have been thinking about investing more into my storage solution ...
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#8RAIDZ Types Reference
RAIDZ2 is a large, highly reliable, relatively expensive storage, which requires a minimum of 3 disks. RAIDZ2 is like RAID6 – allows to survive a double disk ...
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#9ZFS fans, rejoice—RAIDz expansion will be a thing very soon
A storage vdev can be one of five types—a single disk, mirror, RAIDz1 , RAIDz2 , or RAIDz3 . You can add more vdevs to a zpool , and you can ...
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#10How to create a ZFS RAIDZ2 storage pool on FreeNAS
What redundancy level to use on FreeNAS? Best answer: Use the RAIDZ2 ZFS levels to protect data from up 2 drive failure. Here are the steps.
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#11RAID-Z2 - Wikipedia
To a section: This is a redirect from a topic that does not have its own page to a section of a page on the subject. For redirects to embedded anchors on a ...
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#12What is RAID-Z? Its Difference Between RAID-Z2 vs RAID-Z3
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 and can also ...
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#139x7驅動器raidz2（ZFS ZoL 0.8.1）上的慢速順序速度 - Arip ...
考慮到對高吞吐量和空間效率的需求，以及對隨機小塊性能的需求減少，我選擇了帶區帶的raidz2而不是帶區帶的鏡像。 但是，256K順序讀取性能遠遠低於我的 ...
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#14what performance to expect with raidz2 on 12 x 10TB Ironwolf ...
specs : RAIDZ2 12 x Seagate IronWolf Pro 10TB nas - in one big pool HP DL380e G8i dual 8 core xeon E5-2450 14 bay LFF HP H220 9205-8i 2-Port ...
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#15ZFS Performance: Mirror VS RAIDZ VS ... - Viettechgroup
I always wanted to find out the performance difference among different ZFS types, such as mirror, RAIDZ, RAIDZ2, RAIDZ3, Striped, two RAIDZ vdevs vs one ...
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#16FreeNAS / TrueNAS ZFS Pools RAIDZ RAIDZ2 RAIDZ3 ...
RAIDZ2 with 12 8TB disks has a a total capacity of 80TB. So ill loose 2 drives only which i am loosing with 6 x 8TB anyways right? Any ...
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#17Is it possible to change zfs raid-z1 to raid-z2 or raid-z3 on ...
Reshaping a RAID-Z to a different RAID-Z Level is not possible. As explained by Shane, you have to determine the RAID-Z level on creation. the RAID level ...
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#18ZFS RAIDZ2 - Achieving 157 GB/s - Neil Panchal
It consists of 8 NVMe drives from Samsung (970 Evo 2TB) with a total capacity of 10.2 TB in RAIDZ2 configuration (2 drive redundancy).
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#19ZFS - Migration from RAIDZ1 to RAIDZ2; is it possible? - The ...
What I want to be able to do is do a base install as RAIDZ1 then drop another identical drive in and convert or resilver the array to a RAIDZ2.
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#20ZFS RAIDZ2 : how to add another disk for extend zpool space
before doing that ... and choosing ZFS (actually RAIDZ2 4 * 1 TB) as file system for my cluster ... i'm really afraid of scalability of ZFS ...
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#21ZFS：RAIDZ和RAIDZ2可用大小？ - Yo! 服务器
ZFS：RAIDZ和RAIDZ2可用大小？ RAIDZarrays的可用大小是否与RAID5arrays的可用大小相似？ RAID5计算是“（N-1）* S”，其中S是最小驱动器的大小。
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#22ZFS 粉絲們，歡欣鼓舞——RAIDz 擴展很快就會成為現實
寫入被分成稱為記錄或塊的單元，然後在vdev 之間半均勻分布。 存儲vdev 可以是五種類型之一– 單個磁碟、鏡像、RAIDz1、RAIDz2 或RAIDz3。 你可以向zpool ...
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#23@raidz2 • Instagram photos and videos
456 Followers, 6401 Following, 19 Posts - See Instagram photos and videos from @raidz2.
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#24ZFS：RAIDZ和RAIDZ2可用大小？ - 问答之家所有的问题都能 ...
ZFS：RAIDZ和RAIDZ2可用大小？ -- storage 领域和zfs 领域和raidz 领域服务器管理相关的问题(ZFS: RAIDZ and RAIDZ2 usable size?)
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#25raidz2 | Dan's Blog
Generally to setup RAID6 instead of RAID5 you replace the word raidz with raidz2. RAID5 allows for a single disk failure without data loss, ...
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#26ZFS Raidz Performance, Capacity and Integrity - Calomel.org
raidz2 requires at least four disks and will use two(2) disks of space for parity. raid7 or raidz3 distributes parity just like raid 5 and 6, ...
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#27Create ZFS Raidz2 pool - SvennD
Create ZFS Raidz2 pool. Posted 20 March, 2019. zfs on linux. This is a quick howto, I made a raidz2 pool on ZFS, its very similar to how to create a mirror.
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#28#Raidz2 - Twitter Search / Twitter
Here you see that I now have the #RaidZ and the #RaidZ2 options available for the combined drives #freeNAS #ZFS #freeBSD #TrueNAS #OpenSource #POSIX.
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#29Very slow ZFS RaidZ2 Performance on TrueNAS 12
12x 8TB Disks in RaidZ2 (mixture of Seagate and WD, mostly 5400 rpm or unlabled) <-- mostly shucked drives. The disks are passed through using ...
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#30【译】ZFS RAID-Z 的性能、容量和完整性| 天天蜕皮的大蛇Re
RAIDZ2 需要至少四块磁盘，其中两块容量大小的空间用作奇偶校验。 RAID7 或RAIDZ3 如RAID5 和RAID6 一般存储奇偶校验，但可以损失三块物理驱动器。因为要 ...
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#31FreeNAS: Migrating a RAID-Z vdev to a RAID-Z2 - Grumpy ...
This “how-to” is exactly what I needed to move from basic ZFS stripe to RAIDZ2. I am a FreeNAS newbie and only have basic unix skills but it ...
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#32建立ZFS-RaidZ2的ZFS - 自由軟體系統應用
建立ZFS:RAIDZ2的儲存 ... This site uses cookies to deliver its service and to analyse traffic. By browsing this site, you accept our cookie policy.
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#33ZFS RAIDZ vs. traditional RAID - Klennet Storage Software
RAIDZ2 is approximately the same as RAID6 (dual parity),; RAIDZ3 is approximately the same as (hypothetical) RAID7 (triple parity). Disk space ...
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#34ZFS RAIDZ expansion is awesome but has a small caveat
If we would just buy 10 drives and create a 10-drive RAIDZ2 vdev, data-to-parity overhead is 20% meaning that 20% of the total raw capacity of ...
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#35RAIDZ2 vs. ZFS RAID-10
Hello All, I was curious if anyone had run a benchmark on the IOPS performance of. RAIDZ2 vs RAID-10? I'm getting ready to run one on a Thumper and was
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#364K扇区磁盘上的ZFS RAIDZ2的开销在哪里？ - QA Stack
[Solution found!] glib的答案，因为RAIDZ（2）在4k驱动器上很烂。 问题＃548：使用raidz2和ashift = 12时观察到的空间利用率非常低问题＃1807：RAIDZ2上的zvol占用了 ...
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#37Replacing Failed Disks from ZFS Pools ( RaidZ2 / RaidZ3 )
Testing RaidZ2 pool with two disk failures ... Creating RaidZ2 Pool. root@gurkulunix3:~# zpool create -f rz2pool raidz2 c3t2d0 c3t3d0 c3t4d0.
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#38Bug #10937: the raidz2 group lost large capacity - FreeNAS
I used HGST 4TB*36 to create 4 raidz2(6+2) + 4 spare. I estimated capacity is 87.36TB,but I use zfs list to check available size only 79.9TB.
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#39Growing a zpool raidz2 with larger disks? - Unix StackExchange
I have Linux PC with RaidZ2 over 6 disks, 3T each. Disks is shared between several partitions; the zpool lays only on part 6 on each disk; ...
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#40Терминология - RAID-Z2 - AlterBit.ru
RAID-Z2 - массив, построенный по аналогии с RAID-Z. В нем может применяться два диска, которые хранят данные о четности. Такая система сохраняет ...
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#41linux zfs raid,CentOS7安装并使用zfs 新建RaidZ2阵列 - CSDN
建立zpool冗余阵列RaidZ2. 我这里有14块盘，做RaidZ2，有效存储量为12块盘，容错率为2块盘。 zpool create home /dev/sd{b,c,d,e,f,g,h,i,j,k,l,n,m,o}.
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#42RAID and RAIDZ - 45Drives
Just like RAIDZ1, RAIDZ2 doesn't face the write-hole phenomenon that RAID6 normally does without some sort of solution implemented. ZFS also has RAIDZ3, which ...
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#43ZFS / RAIDZ Capacity Calculator (beta) - WintelGuy.com
RAID type: RAID-Z1 (Single parity with variable stripe width). Number of RAID groups: 1. Number of drives per RAID group: 5. Total number of drives: 5.
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#44Why it makes sense to use RAIDZ2 instead of RAIDZ - r/zfs
I believe when rebuilding RAIDZ2 however, a resilver isn't quite as intense as a scrub, because you only NEED N-1 of the remaining disks to calculate the ...
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#45ZFS can only boot from disk, mirror, raidz1, raidz2, and raidz3 ...
Only pay for what you need FreeBSD and Linux support services, starting at $165 an hour. Contact us now >. Popular Topics. A-Team Cluster Apache ...
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#4613 disk raidz2 pool lost - UNIX and Linux Forums
One box with 2 disk mirrored and a 3ware controller handling 13 disks in a raidz2 pool. Suddenly the box restart and keeps "Reading ZFS config" for hours.
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#47freenas RAIDZ2 deleted files recovery - QueTek
FreeNAS ZFS RAIDZ2 deleted files recovery. Hardware and RAID configuration: This is a FreeNAS 9.10 system with 4x6TB hard drives in RAIDZ2 configuration.
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#48Storage Pool Redundancy — Danube Cloud Documentation
RAIDZ2 (Double Parity RAIDZ); RAIDZ3 (Triple Parity RAIDZ). Note. By combining multiple vdev types in the storage pool, ZFS will automatically do stripping ...
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#49ZFS Administration, Part II- RAIDZ - Aaron Toponce
To setup a zpool with RAIDZ-2, we use the "raidz2" VDEV: # zpool create tank raidz2 sde sdf sdg sdh # zpool status tank pool: pool state: ...
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#50RAID-Z1 or RAID-Z2 for FreeNAS? - Basil's Tech Diary
Note: By default, RaidZ2 (mirrored RaidZ) is selected for a four disk configuration. Remember to select RaidZ1.
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#51WD Blue vs WD Red ZFS RaidZ2 | [H]ard|Forum
I am upgrading a system from 2TB drives to 6TB drives, this system runs FreeNAS we run 7 VDev's into one pool all VDev's are RaidZ2.
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#52Episodes Tagged with “raidz2” - TechSNAP
... raidz, raidz2, route leak, routing, rpki, seagate, security, storage, sysadmin podcast, systemd, systemd timers, tdp, techsnap, threadripper, zfs.
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#53raidz2 - IT notes
raidz2. Dec 28, 2017. If using a DELL PERL 6/i Integrated, configure each disk as RAID-0: > mfiutil show config mfi0 Configuration: 8 arrays, 8 volumes, ...
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#54Encrypting a RAIDZ2 pool? - Ask Ubuntu
How can I encrypt my RAIDZ2 pool? · Can I make it automatically decrypt on startup by storing a key file on a USB drive (separate from the boot ...
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#55How many drives do I need for ZFS RAID-Z2? - Super User
RAID-Z2 works by taking the drives given to the vdev, and using two of those to store redundant data for recovery purposes in case something ...
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#56ZFS RaidZ - XigmaNAS
For example, raidz with one parity drive is raidz1 (often just truncated to raidz), with 2 parity drives, it is raidz2, and with 3 parity drives ...
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#57Highly inefficient use of space observed when using raidz2 ...
The VM contains 6x1GB disks in a raidz2 pool with ashift=12. The pool reports 4GB of space formatted. I unpacked a copy of the portage-tree, ...
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#58How I Learned to Stop Worrying and Love RAIDZ | Delphix
For best performance on random IOPS, use a small number of disks in each RAID-Z group. E.g, 3-wide RAIDZ1, 6-wide RAIDZ2, or 9-wide RAIDZ3 (all ...
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#59ZFS RAID-Z2 + Cache or 2x RAID-Z striped - Servers and NAS
Hello everyone, I am in the process of building myself a Fibre-Channel SAN to use with my ESXi hosts, along with some other stuff.
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#60NAS with RAIDZ2
QTS Hero – Bringing ZFS to your QNAP NAS QNAP has revealed something quite special at their worldwide TechDay 2020 event that whether you ...
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#61Optimal configuration for 6 disk raidz2 - Spiceworks Community
RAIDZ2 = RAID 6. Once you choose RAIDZ2 you have already chosen your RAID level. So the big decisions are made. Reply Spice (0).
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#62如何在FreeNAS上创建ZFS RAIDZ2存储池 - 电脑系统下载
如何在FreeNAS上创建ZFS RAIDZ2存储池您正在构建FreeNAS服务器吗？然后使用RAIDZ2创建存储池，以提供更好的冗余和良好的性能平衡—这就是方法。
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#63ZFS/ZPool - Ubuntu Wiki
ZPool raidz2 set: Similar to RAID5 with dual parity. zpool create vol0 raidz2 /dev/sdb /dev/sdc1 /dev/sdd /dev ...
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#64Powering down HDD in ZFS RaidZ2 - Linux - Level1Techs ...
I am currently building a RaidZ2 with Ubuntu for scientific data storage for my PhD in physics and some VM use (cf. this thread (link)) ...
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#65В RAIDz появится расширение массива добавлением дисков
Хранилище vdev может быть одного из пяти типов: одинарный диск, зеркало, RAIDz1, RAIDz2 или RAIDz3. Есть возможность добавлять больше vdev в ...
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#66ZFS - Raid - gienginali
簡介:zfs可提供raid0(Striped)、mirror(同RAID1）、raidz（同RAID5）、raidz2（同RAID6）與raidz3等多種磁碟組態，以及快照、Clone等功能。
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#67Gen8 zfs2 容量問題(頁1) - NAS 專集- 電腦領域HKEPC Hardware
RAIDZ2 係要最少4 隻碟就得. tingcrab 發表於2016-2-15 03:34. 樓主不如post下個Pool -> Information睇下…… 或者console zpool status睇…
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#68ZFS RAIDZ2 – Achieving 157 GB/s | Hacker News
You are using a PCI 4.0 SSD compared to the SSD used in this RAIDZ2 with PCIE 3.0. 10 PCIe 4.0 SSDs give you maximum of around 70GB/s.
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#69ZFS Performance: Mirror VS RAIDZ VS RAIDZ2 vs RAIDZ3 vs ...
I always wanted to find out the performance difference among different ZFS types, such as mirror, RAIDZ, RAIDZ2, RAIDZ3, Striped, two RAIDZ ...
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#70Replace RAIDZ2 Disks - OpenZFS on OS X • View topic
I've succeeded in building a RAIDZ2 pool using Release 1.4.5 with 4 disks in my 2010 Mac Pro running El Capitan. I even created a couple of ...
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#71Was ist RAID-Z? - Storage-Insider
RAID-Z ist ein Redundant Array of Independent Disks für das ZFS-Dateisystem. Es bündelt mehrere physische Festplattenlaufwerke zu einem ...
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#72FreeNAS ZFS VDEV Pool Design Explained: RAIDZ RAIDZ2 ...
15 thoughts on “FreeNAS ZFS VDEV Pool Design Explained: RAIDZ RAIDZ2 RAIDZ3 Capacity, Integrity, and Performance.” AGF- ...
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#73用七块廉价家用SSD 组一个ZFS， RAID-Z2，死亡的风险大吗？
NAS - @minsheng - 用途的话，大概就是* 做Time Machine 备份盘* 做仓库，写入少，比如说Xcode 或者电视剧视频什么的* 给几个Docker 服务提供存储数据 ...
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#74ZFS - NAS FAQ
Потери места при создании raidz и raidz2. Проблемы и решения. Нетривиальная проблема с массивом. Перенос пула. ZFS on Linux после перезагрузки пул не ...
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#75A read performance surprise with ZFS's raidz and raidz2
Sun's ZFS contains a performance surprise for people using its version of RAID-5 and RAID-6, which ZFS calls raidz and raidz2.
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#76FreeNAS加密存储池raid-z2（raid6）数据抢救记录 - 知乎专栏
设备概要：FREENAS版本11.3u，nas硬件设备为diy，3块2t垂直蓝盘、一块2t红盘、一块4t垂直蓝盘，组成raid-z2（raid6），已加密AES-XTS 256。
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#77FreeNAS / TrueNAS: RaidZ2 oder mirror? | Hardwareluxx
4 Festplatten *auf einmal* im RAIDZ2 ) und du hast trotzdem eine realistische Chance, mehrere Festplattenausfälle zu überleben. Der einzige ...
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#78Adam Leventhal's blog » Double-Parity RAID-Z - DTrace.org
Adam, But still in case of small random reads two raidz1 in one group will be faster then one big raidz2 pool, right? (in terms of IOPS).
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#79丰富多彩的ZFS RAID 世界——高性能ZFS RAID 10&Z0
c.3个盘的RAID Z2 (相当于3个盘的mirror （RAID1）） zpool create poolname raidz2 c8t1d0 c8t2d0 c8t3d0 d.3个盘以上的RAID Z2
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#80Setting Up a RAIDZ2 File Server With Snapshots on FreeNAS
After installing a baseline FreeNAS installation, the spare drives must be configured. This tutorial will cover using 4x hard disks to create a RAIDZ2, ...
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#81RAIDZ2 with different hard drives of the same capacity - Tom's ...
I was wondering if it was necessary to have all identical hard drives for a RAIDZ2 set up, I've read that it was necessary for a RAID 6 set ...
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#82Using the ZFS RAIDZ2 and hot spare features on old storage ...
Since disk drives are prone to failure, I have started creating RAIDZ2 (dual parity RAIDZ) pools with multiple hot spares to protect our ...
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#83[OmniOS-discuss] Raidz2 autoexpand=on not working
[OmniOS-discuss] Raidz2 autoexpand=on not working. Muhammad Yousuf Khan sirtcp at gmail.com. Thu Sep 26 09:41:30 UTC 2013.
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#84请问各位的NAS使用什么存储方案？我原本方案太费硬盘了
我的旧NAS用的是FreeNAS系统，6个2T硬盘，组成RaidZ2。 最近准备升级NAS了，打算直接上8T的盘，想问问大家，如果按我以前的方案，岂不是要耗掉两个8T ...
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#85ZFS: RaidZ2 ungewöhnlich langsam - debianforum.de
Habe mein bisheriges RaidZ1 ersetzt durch andere Platten und aus diesen ein RaidZ2 gemacht. Alles andere an Hardware, OS, ZFS-Version usw.
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#86RaidZ2 - Linux Mint Forums
I will move the 2TB and 3TB drives to the controller card ports, and join them into a JBOD pool. The 4x 4TB drives I want to form into a RaidZ2 ...
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#87ZFS raidz2性能影响Freenas上的读写速度 - 码农俱乐部
我在使用raidz2配置的家庭备份FreeNas盒上遇到一些性能问题，我想知道是什么原因引起的（处理能力不足，环保驱动器？）。 它正在运行： Freenas 8.3.1 ...
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#88RAIDZ2 10TB from FreeNas 7 to Windows Home Server, how?
Hi all, I have 5x 2TB drives running as RAIDZ2 and I created the RAID and am using it with FreeNas 7. I would like to know if it is at all ...
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#89Blog - Building my DIY NAS - Adam Retter
ZFS Storage Configuration. As previously discussed in Part 2, I decided to use a RAIDZ2 configuration across the 4 1TB storage disks. To configure the disks, I ...
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#90ZFS: You should use mirror vdevs, not RAIDZ. - JRS Systems
RAIDZ2 vdev(s) – (n-2)/n. For example, a RAIDZ2 of eight disks has an SE of 6/8 = 75%. raidz2 an eight disk raidz2 vdev.
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#91Understanding ZFS RAIDZ2 - Questions | OCAU Forums
It looks the way to go for my needs. I'm requiring fairly redundant storage for an upcoming project, and after reading about RAIDZ2, this looks ...
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#92ZFS vs Hardware Raid System, Part II - GridPP storage news
The zpool on that machine, consist of 3 x raidz2 with 11 x 2TB disks for each raidz2 vdev, also had a real failed disk which needed to be ...
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#93Anyone using the Red Drives in a zfs array? RAIDZ or RAIDZ2
Anyone using the Red Drives in a zfs array? RAIDZ or RAIDZ2. asked on April 7, 2014. Add a video answer. Shoppers find videos more helpful than text alone.
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#94No se puede eliminar la unidad en ZFS raidZ2
Creo que me equivoqué al reemplazar una unidad fallida en mi grupo ZFS RaidZ2. Creo que olvidé desconectar la unidad fallida primero y ...
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#95zfs zpool nas4free freenas raidz raidz1 raidz2 raidz3 raid-z ...
zfs zpool nas4free freenas raidz raidz1 raidz2 raidz3 raid-z raid-z1 raid-z2 raid-z3 tank的问题 55. zfs格式的硬盘一块，以stripe的形式装 ...
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#96Solaris 10 ZFS Essentials - Google 圖書結果
Redundant configurations supported in ZFS are mirror (RAID1), RAIDZ (similar to RAID5), and RAIDZ2 with a double parity (similar to RAID6).
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#97QSM 3.1 (QSAN Storage Management 3.1) - Jetstor
With RAIDZ2 (similar to RADI-6) increasingly unable to meet reliability requirements, there is an impending but yet urgent for Triple parity RAID.
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