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What are big LUNs and small LUNs in FusionCompute?

Created: May 17, 2019 09:36:35Latest reply: Mar 11, 2022 08:50:44 721 4 0 0 0
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Hello, everyone!

What are big LUNs and small LUNs in FusionCompute? What is the difference?

Thanks in advance!

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Featured Answers
olive.zhao
Admin Created May 17, 2019 09:55:02

Hello,

Big LUNs and small LUNs are commonly known as Huawei's differences in implementing two block storage systems.

Large LUNs:

1. LUNs are from the shared block storage SAN.

2. Some space of a LUN in a SAN is divided into a block Device, and each device is called a volume.

3. VM instance is composed of one or more volumes.
Small LUNs:

1. LUN From the shared block storage SAN.

2. The entire space of a LUN in a SAN is divided into a block Device, which is called Volume.

3. VM instance consists of one or more volumes.

Hope this helps!

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o.alshafaey
o.alshafaey Created May 19, 2019 07:05:56 (0) (0)
thx for sharing it's very helpful  
All Answers
olive.zhao
olive.zhao Admin Created May 17, 2019 09:55:02

Hello,

Big LUNs and small LUNs are commonly known as Huawei's differences in implementing two block storage systems.

Large LUNs:

1. LUNs are from the shared block storage SAN.

2. Some space of a LUN in a SAN is divided into a block Device, and each device is called a volume.

3. VM instance is composed of one or more volumes.
Small LUNs:

1. LUN From the shared block storage SAN.

2. The entire space of a LUN in a SAN is divided into a block Device, which is called Volume.

3. VM instance consists of one or more volumes.

Hope this helps!

View more
  • x
  • convention:

o.alshafaey
o.alshafaey Created May 19, 2019 07:05:56 (0) (0)
thx for sharing it's very helpful  
piaopiaoran
piaopiaoran Created Mar 11, 2022 08:50:13

Hello, 

Large LUN is to add a LUN to the data storage and create multiple virtual machines on it; 

Small LUN is a LUN added to the data storage for only one LUN at the bottom of a virtual machine, which is taken over by a virtualization platform and used directly as the disk of the virtual machine.

Large LUN facilitates several kinds of management of virtual machines and enables more advanced features

The performance of small LUN is optimized. Disaster tolerance can be designed for specific virtual machine disks.


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olive.zhao
olive.zhao Admin Created Mar 11, 2022 08:50:44

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