Hardware Mirroring
Posted in 2000
Hi
We are using Baan and Informix 7.24UC1 on Solaris 2.6.
We have setup hardware mirroring using disk array A1000 having total 6
disks[3x3]. We created approx. 6 logical disks from 3x18.2GB because of
Informix 2GB limit.
The Informix was installed before we setup the hardware mirroring. So I
was asked to changed the raw_links of chunks as under:
Earlier:
rootdbs -> /dev/rdsk/c2t0d0s0
plogdbs -> /dev/rdsk/c2t0d1s0
llogdbs -> /dev/rdsk/c2t0d0s0
datdbs -> /dev/rdsk/c2t0d0s3
idxdbs -> /dev/rdsk/c2t0d1s3
After:
rootdbs -> /dev/md/rdsk/d20
plogdbs -> /dev/md/rdsk/d25
llogdbs -> /dev/md/rdsk/d30
* datdbs -> /dev/md/rdsk/d40
* idxdbs -> /dev/md/rdsk/d45
I could change the links without any problem except datdbs and idxdbs.
I get the following error if I change the raw_links of datdbs and
idxdbs.
12:33:47 Action: Run 'oncheck -cD 1048578'
12:33:47 Assert Failed: Page Check Error in mappage:bad bitmap page
12:33:47 Who: Thread(7, main_loop(), fae2018, 1)17176)
12:33:47 Results: Possible inconsistenciesin 'sysmaster:"informix".sysdatabas
es'
when the links are re-instated to old setting, the database starts
working.
Any suggestions?
Thanks in advance.
Muhammad Usman
musman@iffco.com
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