Darrell Landrum,
                Hi, for Ufs and VXFS, It should be 8k in most case. Use df -g, fstyp 
to verify the blocksize.
Also from the man newfs:

               -b bsize  The logical block size of the file  sys-
                         tem  in bytes (either 4096 or 8192). The
                         default is 8192. The sun4u  architecture
                         does not support the 4096 block size.

    
               -f fragsize
                         The smallest amount  of  disk  space  in
                         bytes  to allocate to a file. The values
                         must be a power of two selected from the
                         range  512 to the logical block size. If
                         logical block size is 4096, legal values
                         are 512, 1024, 2048 and 4096; if logical
                         block size is 8192, 8192 is also a legal
                         value. The default is 1024.

                





Regards
zhu chao
msn:[EMAIL PROTECTED]
www.happyit.net
www.cnoug.org(China Oracle User Group)

======= 2003-03-04 04:23:00 ,you wrote£º=======

>I'll look this up when I get into the office but I'm pretty sure it is 512 bytes.
>
>
>>>> [EMAIL PROTECTED] 03/04/03 04:28AM >>>
>Hello,
>
>I have a doubt ...
>
>Is it true that Solaris (7, 8, 9) has a OS block size of 64K by default
>?
>
>In this case, is it correct to sizing the DB_BLOCK_SIZE for a new
>database (8.1.7) at 64K ?
>This question because all of our databases was installed with:
>db_block_size = 8192
>
>How to check the value for the OS block size on Solaris (7,8,9) ?
>
>Thanks for your help ?
>
>Jean Berthold
>
>
>--
>________________________________
>
>Jean Berthold
>EOS - energie ouest suisse
>Chemin de Mornex 10 , CP 570
>CH-1001 Lausanne , Switzerland
>Tel. : +41 (0)21 341 24 58
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>________________________________
>
>
>  ...Unix is like a wigwam - no windows, no gates, apache inside...
>
>
>-- 
>Please see the official ORACLE-L FAQ: http://www.orafaq.net 
>-- 
>Author: Jean Berthold
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