Re: Hi! Why having LSR's chunk size 2^n limitation?

On 19 January 2011 00:11, John Robinson [off-list ref] wrote:

On 18/01/2011 15:59, Igor Podlesny wrote:

[...]

You're slightly confusing things. Stripe size and chunk size are different
things, but related. Stripe size = number of data discs * chunk size. Linux

[...]

   Am I? Take a look
http://www.freebsd.org/cgi/man.cgi?query=vinum&apropos=0&sektion=0&manpath=FreeBSD+4.9-RELEASE&format=html
   Also man mkfs.xfs is recommended too.

   (I wonder how would ya imagine 4k stripe sized RAID-5. Really worth
looking at. :-)

Secondly, as far as I know all Linux filesystems are RAID-aware so know how

   You're mistaken. There're too many are not. Also, don't forget
LVM-2 in middle.

to distribute their superblocks and other metadata evenly across all the
discs, so they've already got any performance improvement that might be had.

Cheers,

John.

   P. S. I think now everyone can see why this letter was
intentionally addressed to the author of LSR, not to the list.

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