blocks|key|4223297|text|简短的答案似乎是，目前还没有独立的评论，即使是大的Drobo爱好者支持的数据机器人是幸运的，如果他们有一个Drobo+Pro，所以我认为答案是等待。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4223298|也没有什么好的理由可以解释为什么iSCSI应该比防火墙快得多，因为iSCSI有很多开销，如果有10%25-15%25的话就有意义了。尽管火线可能会受到芯片组的显著影响。|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|E|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|F|8|@]|9|@]|A|$]]]|D|$]]

The short answer appears to be that there's no independent reviews yet, even the big Drobo lovers that are backed by Data Robotics are lucky if they have one Drobo Pro, so I think the answer is to wait.

There's also no good reason why iSCSI should be that much faster then firewire, as iSCSI has a lot of overhead, if anything 10-15% would make sense. Although firewire can be quite significantly affected by the chipset.

blocks|key|4223517|text|很抱歉出现了交叉帖子，但是我刚刚在这里发布了关于DroboPro+iSCSI性能的文章：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4223518|超级V和Drobo+Pro|offset|length|4223519|除了GeekBrief.tv审查与性能，也有一个真正彻底的审查由LA最终裁剪专业用户组与性能。|4223520|致以敬意，|4223521|吉姆·舍哈特-数据机器人公司|entityMap|0|LINK|mutability|MUTABLE|url|https://serverfault.com/questions/39923/hyper-v-and-drobo-pro^0|0|0|D|0|0|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|T|8|@]|9|@$D|U|E|V|1|W]]|A|$]]|$1|F|3|G|5|6|7|X|8|@]|9|@]|A|$]]|$1|H|3|I|5|6|7|Y|8|@]|9|@]|A|$]]|$1|J|3|K|5|6|7|Z|8|@]|9|@]|A|$]]]|L|$M|$5|N|O|P|A|$Q|R]]]]

Sorry for the cross-post, but I just posted about DroboPro iSCSI performance here:

<a href="https://serverfault.com/questions/39923/hyper-v-and-drobo-pro">Hyper-V and Drobo Pro</a>

In addition to the GeekBrief.tv review with performance, there is also a really thorough review by the LA Final Cut Pro User Group with performance.

Regards,

Jim Sherhart - Data Robotics, Inc.

blocks|key|485504|text|我可以告诉你，在这个时候，至少用两台我试过的机器，Xen和Drobo+Pro玩得不好。我真的很失望。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|485505|我尝试了3种不同的iSCSI连接的Drobo接口，结果都是一样的，Xen会因为数据传输的错误而抓狂。我很抱歉缺乏细节，我没有时间去我的Xen测试服务器，然后再试一次。同样的错误来自两个不同的主板，两个AMD+CPU，一个千兆字节板，另一个是ASUS+(我想)。也尝试从3+3COM，所有显示相同的错误/var/log/messages文件。|485506|使用Windows中的iSCSI和千兆字节板(与我所拥有的Xen服务器相同的nic+)和我的Macbook+Pro都没有问题。这两种方法都能使Drobo的持续速度达到>20+of+/秒的写入速度。我名单上的下一个是试着做最后的裁剪，看看会发生什么.|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|H|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|I|8|@]|9|@]|A|$]]]|F|$]]

I can tell you that at this time, at least with the two machines that I have tried, Xen and Drobo Pro don't play nicely. I was really bummed.

I have tried 3 different interfaces to the Drobo for iSCSI connection, all with the same results, Xen freaks out beacuse of errors with the data transfer. I am sorry for the lack of detail, I don't have time to get to my Xen test server and try it again. Got the same errors from 2 different motherboards, both AMD CPU, one Gigabyte board, other is ASUS (I think).
Also tried from 3COM NIC, all showed the same error on the /var/log/messages file. 

No problem using iSCSI from Windows XP with Gigabyte board, (same nic as one of the Xen servers I have) and from my Macbook Pro. Both yield sustained speeds of >20MB/sec write speed to the Drobo. Next on my list is to try it for Final Cut Pro and see what happens...

blocks|key|4223617|text|我有幸拥有了几天的DroboPro。起初，我很兴奋，好像是圣诞节的早晨，然后，奇怪的表演破坏了聚会，就像解开一包白色膝高袜子一样。作为一个iSCSI目标，当使用微软iSCSI软件启动器时，它执行得很好。然而，我购买DroboPro是因为它是经过VMware认证的，并且在我的VMware环境中使用它作为临时/备份存储是我的意图。第一，它不适用于VMware+ESX3.5+U3，这是我正在运行的更新。第二，一旦我升级到更新的ESX，其性能低于或等于我的公司DS3的文件传输速率。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4223618|如果我有更多的时间在办公室与DataRobotic的工程师一起工作，我想我们可以从DroboPro中获得更好的性能。但是，如果DataRobotic的意图是推动一个在实验室中没有按照预期运行的产品，我会感到惊讶。如果我有钱，我愿意再试一次。|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|E|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|F|8|@]|9|@]|A|$]]]|D|$]]

I had the privilege of owning a DroboPro for just a few days. At first I was excited as though it was Christmas morning, and then, odd performance crashed the party like unwrapping a package of white knee-high socks. As an iSCSI target it performs decent when using the Microsoft iSCSI software initiator. However, I bought the DroboPro because it was VMware certified and using it as temporary / backup storage in my VMware environment was the intent. One, it didn’t work with VMware ESX 3.5 U3, which was the update I was running. And two, once I upgraded to a newer ESX, the performance was less than or equal to file transfer rates of my corporate DS3.

If I had more time at the office to work with the DataRobotic’s engineers, I think we could have gotten better performance out of the DroboPro. It didn’t work in my environment, nor many others out there, however, I would be surprised if DataRobotic's intentions were to push a product that didn’t perform as expected in their labs. If I had the money, I would love to give it another try.

blocks|key|4223358|text|根据这位博主的基准，经常消费的Drobo似乎将硬盘速度减半：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4223359|http://elliottback.com/wp/drobo-benchmark/|offset|length|4223360|http://myownreality.eu/category/drobo/|4223361|希望Drobo+Pro已经提高了性能。|entityMap|0|LINK|mutability|MUTABLE|url|1^0|0|0|16|0|0|0|12|1|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|R|8|@]|9|@$D|S|E|T|1|U]]|A|$]]|$1|F|3|G|5|6|7|V|8|@]|9|@$D|W|E|X|1|Y]]|A|$]]|$1|H|3|I|5|6|7|Z|8|@]|9|@]|A|$]]]|J|$K|$5|L|M|N|A|$O|C]]|P|$5|L|M|N|A|$O|G]]]]

The regular consumer Drobo seems to cut the hard drive speeds in half according to this blogger's benchmark:

<a href="http://elliottback.com/wp/drobo-benchmark/" rel="nofollow noreferrer">http://elliottback.com/wp/drobo-benchmark/</a>

<a href="http://myownreality.eu/category/drobo/" rel="nofollow noreferrer">http://myownreality.eu/category/drobo/</a>

Hopefully the Drobo Pro has improved performance.

blocks|key|485526|text|还有一些基准测试和drobo+@+极客简报#593的解装箱|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|entityMap|0|LINK|mutability|MUTABLE|url|http://www.geekbrief.tv/gbtv-593-drobo-pro^0|H|8|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@$A|L|B|M|1|N]]|C|$]]]|D|$E|$5|F|G|H|C|$I|J]]]]

theres also some benchmarks and an unboxing of a drobo pro @ <a href="http://www.geekbrief.tv/gbtv-593-drobo-pro" rel="nofollow noreferrer">geekbrief #593</a>

blocks|key|485677|text|本文是"drobopro+benchmark“的第一个结果，但是大多数链接都死了。使用Xbench和6x1GB的，我得到了：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|485678|Sequential,+uncached:
*+Write+4k+blocks:+35.5MB/sec
*+Write+256k+blocks:+31MB/sec
*+Read+4k+blocks:+3.5MB/sec
*+Read+256k+blocks:+50.2MB/sec

Random,+uncached:
*+Write+4k+blocks:+3.2MB/sec
*+Write+256k+blocks:+9.1MB/sec
*+Read+4k+blocks:+.58MB/sec
*+Read+256k+blocks:+10.75MB/sec|code-block|syntax|javascript|485679|这太微不足道了。相比之下，一个SATA驱动器具有类似的顺序性能(或更好，4k读取时为25+or/秒)，大约是随机性能的两倍。不过，我仍然非常喜欢这个单元的功能集，所以我只是将它用作备份和归档的中央磁盘。但是对于主文件服务器驱动器，我切换到了一个Highpoint+Rocketraid和一个外部外壳|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|J|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|K|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|L|8|@]|9|@]|A|$]]]|I|$]]

This article is the first result for "drobopro benchmark", but most of the links are dead. Using Xbench with 6x 1GB WD Caviar Black I got:

<pre><code>Sequential, uncached:
* Write 4k blocks: 35.5MB/sec
* Write 256k blocks: 31MB/sec
* Read 4k blocks: 3.5MB/sec
* Read 256k blocks: 50.2MB/sec

Random, uncached:
* Write 4k blocks: 3.2MB/sec
* Write 256k blocks: 9.1MB/sec
* Read 4k blocks: .58MB/sec
* Read 256k blocks: 10.75MB/sec
</code></pre>

This is pretty paltry. By comparison, a single SATA drive got similar sequential performance (or better, 25MB/sec for the 4k read), and about double the random performance. I still really like the feature set of the unit though, so I instead just use it as a central disk for backups and archiving. For a primary file server drive though, I switched to a Highpoint Rocketraid and an external enclosure

blocks|key|485720|text|你需要对DroboPro保持警惕。当你增加能力时，它会减速到爬行。当我们有大约8TB的时候，我们的情况很好，但是一旦我们超过了这个水平，我们就会遇到很多问题，包括断电。我不推荐它作为备份，除非它是一个真正的存档。原因是，读取的性能变得非常差，以至于需要很长时间才能恢复数据。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|485721|您可能认为这不是一个问题，但是当您确实需要这些备份时，您将陷入困境--假设您正在运行一个FTP服务器，并且您想要失败到您的Drobo-+-您需要等待2个星期才能将您的数据传输到另一种媒体，或者与Drobo一起运行，为您的FTP服务器处理1+MBps的吞吐量。两者都不是一个选择。此外，iSCSI断开可能会扼杀您的正常运行时间。|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|E|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|F|8|@]|9|@]|A|$]]]|D|$]]

You need to be wary with the DroboPro. It slows down to a crawl as you add capacity. Ours ran well when we had about 8 TB, but once we went above that, we got tons of issues, including disconnects.
I would not recommend it as a backup, unless it's really an archive. The reason is, the read performance becomes so poor that it would take too long to restore your data.

You may think this isn't an issue, but when you do need those backups you will be stuck- Suppose you're running an FTP server and you want to fail over to your Drobo- You will need to either wait 2 weeks for your data to be transferred to another medium, or go live with the Drobo and deal with 1 MBps of throughput for your FTP server. Neither's really an option.
Also, the iSCSI disconnections would likely kill your uptime.

I'm looking at picking up a fully loaded drobo pro this year (last quater).
Has anyone actually found any benchmarks on it yet?
I've seen many people saying the speed of the current drobo mk2 is less than steller. I'd be probably looking to use it via the iSCSI interface though which I've anecdotally seen at +50% over fw800 speed.

Has anyone actual evidence of the speeds yet?

drobo pro speed?

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

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我正在寻找一个满载的drobo专业今年(最后一个季度)。有人在上面找到基准了吗？我见过很多人说现在的drobo mk2的速度比斯泰勒慢。我可能希望通过iSCSI界面来使用它，尽管我在fw800上看到的速度是+50%。有谁能证明速度吗？

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