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5 Posts

07-03-2019

Brazil

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Pool DE2000H 11 disks ??????

2019-07-03, 18:07 PM
we bought a storage DE2000H 7Y71, with 6 hds, now I went to install it tells me that it needs 11 hds, we have a storwize 3700 with 5 hds and did not need it. There is a solution. We bought to back up the storwize. The money is short. lol
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242 Posts

04-20-2015

Canada

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Re: Pool DE2000H 11 disks ??????

2019-07-03, 18:09 PM

It needs 11 disks for DDP raid level (Dynamic Disk Pools). 

Change it to RAID5 or RAID6, or RAID10, those have the standard minimums for drives.

 

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600 Posts

08-14-2018

United States of America

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Re: Pool DE2000H 11 disks ??????

2019-07-03, 18:39 PM

To add on to what cterek has already stated. 

 

Here is a link to our ThinkSystem Storage DE Series document that covers this. 

Functional comparison of pools and volume groups

https://thinksystem.lenovofiles.com/help/index.jsp?topic=%2Fthinksystem_system_manager_11.50%2F58A73AF1-6A34-4E67-B1CB-D9C096278223_.html&cp=7_0_3_2_2_1_0_1

 

Minimum number of drives 11

 

Please take a look at that and let us know if you need further assistance. 

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600 Posts

08-14-2018

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Re: Pool DE2000H 11 disks ??????

2019-07-03, 18:42 PM

One additonal link from our documentation that I thought you may find interesting, in choosing between a pool and a volume group

 

Decide whether to use a pool or a volume group

https://thinksystem.lenovofiles.com/help/index.jsp?topic=%2Fthinksystem_system_manager_11.50%2F58A73AF1-6A34-4E67-B1CB-D9C096278223_.html&cp=7_0_3_2_2_1_0_1

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5 Posts

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Brazil

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Re: Pool DE2000H 11 disks ??????

2019-07-03, 22:09 PM
is the same link from above. But I'll read it. thank you.
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5 Posts

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Re: Pool DE2000H 11 disks ??????

2019-07-03, 22:15 PM
I still could not create the raid. thanks
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17 Posts

09-25-2018

Taiwan,China

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Re: Pool DE2000H 11 disks ??????

2019-07-04, 1:19 AM

Hi Edsonwolf,

 

Is there any error message when you create the volume group?

Could you please provide the screenshot of how you create the volume group and the error symptom?

Thank you.

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5 Posts

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Re: Pool DE2000H 11 disks ??????

2019-07-04, 11:40 AM
Do not create the group. I figured I needed the pool, and then the volume. I created the group and it worked. No problem without the pool ???
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17 Posts

09-25-2018

Taiwan,China

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Re: Pool DE2000H 11 disks ??????

2019-07-08, 3:39 AM

Hi Edsonwolf,

You can create volumes using either a pool or a volume group. The best selection depends primarily on the key storage requirements such as the expected I/O workload, the performance requirements, and the data protection requirements. However, it will need at least 11 drives to create a pool.
For more information about the advantages of using pool or volume group, please refer to below link:

Decide whether to use a pool or a volume group

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600 Posts

08-14-2018

United States of America

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Re: Pool DE2000H 11 disks ??????

2019-07-16, 20:09 PM

Hello Edsonwolf, I wanted to follow up with you and see if you needed anything furhter, or if this issue was resolved. If the issue has been resolved please mark this post as resolved so others may find this article and help them out if they run into this. 

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