topic Re: Block size in Operating System - HP-UX

Block size

Francesco_13 — Tue, 19 Oct 2004 06:26:34 GMT

Hi,
how i can know block size of S.O.(HP-UX) ? it's possible to change?

Thanks.
Regards.
Francesco

Re: Block size

Bharat Katkar — Tue, 19 Oct 2004 06:33:22 GMT

What is S.O.??

Well to see block size of file system use:

# fstyp -v /dev/vgxx/lvolx

Regards,

Re: Block size

Francesco_13 — Tue, 19 Oct 2004 07:37:06 GMT

Hi,
it's HP-UX 11.32.
The command it's ok! 8kb block size
version: 5
f_bsize: 8192

one more:

can you tell me the reason because a dd between two Fs file it's more quick than one with Raw devices? For buffer cache probally?
But if it's the first time, the buffer it's not involved .. or not???

Thank you
Best regards
Francesco

Re: Block size

Bharat Katkar — Wed, 20 Oct 2004 05:09:13 GMT

Hi Francesco,
Go thr' this link below...

http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=617023

Hope that helps.
Regards,