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SSD can only be written for several thousands of times?

Created: Jan 16, 2020 07:53:33Latest reply: Jan 16, 2020 08:00:40 254 2 0 0 0
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Hi dear members,

Is it true that an SSD can only be written for several thousands of times?

Who can help me answer this question? Thanks.

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little_fish
Admin Created Jan 16, 2020 08:00:40

Hi Geek,

Unfortunately, it is not true. Here is the reasons.

When an SSD is processing data, data is written to new physical addresses each time and all physical space of flash storage is used evenly. Assume that the capacity of an SSD is 600 GB and the number of writes on the flash storage is 10,000. The total number of sequential writes reaches 6 PB (600 GB x 10000). Therefore, write times are evenly distributed in each physical address and the total number of writes on an SSD is huge. Industrial studies on many enterprise-level disks show that the total amount of data written in the entire life circle of an enterprise-level disk is far less than 200 TB. 

Although flash chips of SSDs only allow several thousand or tens of thousands of writes, SSDs composed of flash chips can fully meet requirements of enterprise-level applications.

Thanks.

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Ihteshamraza
Ihteshamraza Created Jan 16, 2020 21:24:23 (0) (0)
 
All Answers

Hi Geek,

Unfortunately, it is not true. Here is the reasons.

When an SSD is processing data, data is written to new physical addresses each time and all physical space of flash storage is used evenly. Assume that the capacity of an SSD is 600 GB and the number of writes on the flash storage is 10,000. The total number of sequential writes reaches 6 PB (600 GB x 10000). Therefore, write times are evenly distributed in each physical address and the total number of writes on an SSD is huge. Industrial studies on many enterprise-level disks show that the total amount of data written in the entire life circle of an enterprise-level disk is far less than 200 TB. 

Although flash chips of SSDs only allow several thousand or tens of thousands of writes, SSDs composed of flash chips can fully meet requirements of enterprise-level applications.

Thanks.

View more
  • x
  • convention:

Ihteshamraza
Ihteshamraza Created Jan 16, 2020 21:24:23 (0) (0)
 

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