RE: Moving Informix from SCO to Solaris, Need help
Are you kidding ? The maximum chunk size (+ chunk offset) cannot be bigger than 2G. But you can make dbspaces from more than one chunk, and your instance may contain more than one dbspace. Regards, Octav On Wed, 26 Jan 2000 kho@ADM.com wrote: > I am confuse, I talked to the sales from Informix, they said the > database could be as large as you want, but I saw a few posts talking > about database cannot be bigger than 2.0 Giga. !! > > > In article <86m8p6$sso$1@news.xmission.com>, > Hannes Visagie <hvisagie@mibco.org.za> wrote: > > > > Just remember that Solaris cannot have more than 8 slices on one disk. > So > > it is useless to have disks larger than 16 Gig. This is without any > RAID > > configuration. > > > > -----Original Message----- > > From: kho@ADM.com [SMTP:kho@ADM.com] > > Sent: Wednesday, January 26, 2000 1:33 AM > > To: informix-list@iiug.org > > Subject: Re: Moving Informix from SCO to Solaris, Need help > > > > Thanks you for your help tips, wondering if this is also true > > on Solaris 2.6, just looking the quote from the hardware vendor, > > The OS they quote was Solaris 2.6!! > > > > In article <388DEBF0.A876F7C4@bloomberg.net>, > > "Art S. Kagel" <kagel@bloomberg.net> wrote: > > > kho@ADM.com wrote: > > > > > > > We are moving the Informix to a different platform, well not > really > > > > moving, we are setting up new Informix server on a SUN solaris 7, > > Does > > > > anyone know what kind of hardware requirement need to succefully > > deploy > > > > the Informix on a sparc 250 enterprise running Solaris 7. How > would > > the > > > > different hardware/filesys affecting the Informix, > > > > 1) For example, if we we have RAID 5 on the box with 50Giga space > > > > including the OS, do I need to reserve some raw space before I > > install > > > > the OS for the Informax database to sit on ?? > > > > > > > > > > I would not use RAID5 for ANY database system. It is not secure and > > it is > > > 50% > > > slower on writes than mirroring (RAID1) or RAID10 (stripped > mirrors). > > > > > > To your question, yes you should reserve one or more 2GB disk > > partitions > > > for Informix > > > RAW chunks. You might be best off creating two stripe sets, one for > > OS > > > filesystems, > > > rootdbs, and Informix logging dbspaces, and the other for the data > > chunks. > > > I strongly > > > recommend that these stripe sets be RAID10. > > > > > > > 2) If not how would I allocate space for the database ?? > > > > > > > > > > You could create the Informix chunks as filesystem files but > > performance > > > will suffer > > > by 20-35% over RAW device space. It is easier to manage, however. > > > > > > > 3) Does the database mounted to the root as a volume ?? > > > > > > No, not RAW space anyway. Solaris need know nothing about the > > Informix > > > disks at > > > all. Informix is, in effect, its own filesystem manager. > > > > > > > > > > > > > > > I am not sure I ask the right questions, any info and suggestion > > > > are appreciated. > > > > > > Remember that Informix cannot use any disk partition larger than > 2GB, > > for a > > > large > > > drive or array you may need a Volume Manager, like Veritas VM, to > > divide up > > > the > > > array into many 2GB chunks. > > > > > > Art S. Kagel > > > > > > > > > > -- > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > King Ho <kho@ADM.com> > > 350 Hudson Street, NY 11014 > > American Direct Mail (ADM) > > ~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > > > Sent via Deja.com http://www.deja.com/ > > Before you buy. > > > > > > -- > ~~~~~~~~~~~~~~~~~~~~~~~~~~~ > King Ho <kho@ADM.com> > 350 Hudson Street, NY 11014 > American Direct Mail (ADM) > ~~~~~~~~~~~~~~~~~~~~~~~~~~~ > > > Sent via Deja.com http://www.deja.com/ > Before you buy. >