[linux-lvm] Question about thin-pool/thin LV with stripes
Eric Ren
renzhengeek at gmail.com
Sat Jan 26 03:36:04 UTC 2019
Hi Zdenek,
When 'stripe_size' is the 'right size' - striped device should appear
> faster,
> but telling you what's the best size is some sort of 'black magic' :)
>
> Basically - strip size should match boundaries of thin-pool chunk sizes.
>
> i.e. for thin-pool with 128K chunksize - and 2 disks -
> I'd assume best result you should get with 64K stripesize (so 2 disks will
> make it 128K stripe) - but it depends on number of hw aspects.
>
> So you will need to benchmark it.
>
Thanks a lot for your input! Very helpful points to take more
consideration~
Best regards,
Eric
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