If VPARS is intercepting the VM I/Os on a minidisk basis, you could try doing the same thing to minidisks defined for linux virtual machines to use as database filesystems.
/Thomas Kern /301-903-2211 > -----Original Message----- > From: Ken Vance [mailto:[EMAIL PROTECTED] > Sent: Tuesday, November 25, 2003 05:50 > To: [EMAIL PROTECTED] > Subject: database I/O intercept package > > > Hi, > > On our VM systems we run a product called VPARS. This allows > us to have > one base database that is static, and multiple read/write > areas for each > test region. When a test region updates a record, it is not > written to > the base set, instead it is written to the users own update > area. This > allows for a consistent base, and one users test will not > impact the data > integrity for another user. The VPARS VM component > intercepts the I/O, > and redirects it to the users R/W area. If it is a read operation, it > checks in the users area, if it is not there, it then goes to > the base. > You can also have multiple levels. > > Is there similar software that we can run on our Linux images > that would > work for I/O to an Oracle or DB2 database? > > Thanks, > > Ken Vance > Amadeus >
