Re: current maximum stripe unit size?

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Hello,

thanks for replying. Indeed I did not distinguish between log and data stripe set - as I did not know, those can be treated independendly.

The docs I have all talking about log stripe size, I was just under the impression, those set the overall limit.

Thanks again

Ede

Am 03.05.21 um 15:22 schrieb Eric Sandeen:


On 4/29/21 9:10 AM, Ede Wolf wrote:
Hello,

having found different values, as of Kernel 5.10, what is the maximum allowed size in K for stripe units?

I came across limits from 64k - 256k

Where did you read that?

, but the documentation  always seemed quite aged.

Current mkfs limits are UINT_MAX for stripe unit and stripe width (so width is the effective limiter in most cases)

Interestingly, in the kernel the limit on swidth is INT_MAX. In any case, quite large.

(However, the /log/ stripe unit has a limit of 256; if the data stripe unit is larger, the log stripe unit will automatically be reduced.)

-Eric

Thanks





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