Shulou(Shulou.com)06/01 Report--

In this issue, the editor will bring you about the errors encountered in the process of lv expansion. The article is rich in content and analyzes and describes for you from a professional point of view. I hope you can get something after reading this article.

Error:

[root@dbabc.net] # lvextend-L + 100 / dev/vg01/stripe_lv

Using stripesize of last segment 64.00 KB

Rounding size (1558 extents) down to stripe boundary size for segment (1557 extents)

Extending logical volume stripe_lv to 6.08 GB

Insufficient suitable allocatable extents for logical volume stripe_lv: 24 more required

When a striped lv extension requires a new pv, there is an important condition that the increase in the number of pv must be the same as or multiplied by the number of existing pv in lv. Just think about the principle of RAID0. Abstractly, data is divided into blocks of the same size, and then stored on each hard disk in turn. If you want to expand, each hard disk must be expanded accordingly.

These are the errors encountered in the process of lv expansion that Xiaobian shared with you. If you happen to have similar doubts, you might as well refer to the above analysis to understand. If you want to know more about it, you are welcome to follow the industry information channel.

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