Re: Urgent!! Question about add chunk

In article <367b1d75.0@news1.ibm.net>, Mike Ng <mike@email.tech- trans.com> writes >Hi all, > >I have the question about add chunk. I accustom add chunk using the block >special device. But refer to document from INFORMIX, they suggest using the >character special devices. Is there any side effect I keep to use the block >special file for chunks adding or they have no difference? Anyone can help >me. > a) The access will go via the UNIX buffer cache hence Informix cannot be sure when writes will reach the disk i.e. less reliable. b) Informix will not be able to use KAIO to access the disks hence performance MAY be slower. >Thank you very much. > >Regards, >Mike Ng > > -- David Williams