Bringing the DBRootM chunk that is down to an available state


Product		Brisque^®Serve 4.0 Timna™ 3.0
Platform		E30—Victory 43P-140—Tiger1 43P-150—Tiger2 44P-170—Hammerhead F50—Wildcat (2 and 4 CPUs) 6F1—Condor (2, 4, and 6 CPUs)
Operating system		IBM^®AIX 4.2.1 and IBMAIX 4.3.3

Error		`!Dbspace is off. Check chunks status.:: eom ::`

Symptoms		When Informix comes up, the above error message appears.

Cause		A DBRootM database chunk becomes unusable.

Solution		Replace the unusable DBRootM database chunk with its copy, which is stored on the mirrored volume. Open an AIX terminal window. At the command line, type onstat -d and press `Enter`. The unusable DBRootM chunk (4003e2d4) is shown as being down (MD), as indicated in the following screen output example: Type onmonitor and press `Enter`. Select dbspaces>status. Position the cursor next to DBRoot. Press Ctrl + B. The following is an example of the output that appears: `1 125 63875 51021 /dev/DBRoot PO- -1 125 63875 63875 /dev/DBRootM MD-` Position the cursor next to DBRootM (MD). Press Ctrl + B. The state of DBRootM changes to MO, which indicates that the chunk is now up (usable). Select Yes to confirm the operation.

Technical contact(s)		Lev Weissman
Submitted by		Lev Weissman
Date submitted		03 Apr 2003