Re: Migration from i-planet 52

[Noriko Hosoi <nhosoi@xxxxxxxxxx>]

Richard Megginson wrote:

> Eddie C wrote:
>
> > I recently did an ldif backup of our iplanet 52 database. Its about 
> > an 88 MB ldif file.
> > I took this to a new FDS server Dell 850 3 ghz duel core 2 sata hard 
> > disks.
> > I ran an ldapadd  the data imported perfectly.
Are there any reason to use ldapadd instead of ldif2db?  ldif2db should 
be much faster...

> > Then I tried to cutover some systems and give the database some load.
> >  
> > System went 200% processor
> >  
> > Eventually I realized I was missing indexes so I added them through 
> > the graphical tool.
> >  
> > The log seemed to do something like this
> > generating index 1%
> > generating index 2%
> > ....
> > generating index 49%
> > Done
> > Seemed weird that they would jump from 49% to Done
> > At this point the new system was running at 100% processor
> > But the queries are running faster on our old 440 MHZ sparc t1 
> > server52 database
> >  
> > I ran
> > DB ERROR: db_verify: Page 30: out-of-order key at entry 498
> > DB ERROR: db_verify: DB->verify: db/o_com/channelcontentowner.db4: 
> > DB_VERIFY_BAD: Database verification failed
> >  
> > then I tried db2_index. The program seemed to be in a tight loop 
> > complaining about 1 missing entry.
> >  
> > I do not realize how the data can be so corrupted right after an import.
> >  
> > These are someone generic symptoms. Any ideas? Thanks
>
> Try creating all of the required indexes first, then doing the import 
> of your original LDIF.  Not only will the import+index creation be 
> much faster (than doing the import then creating the indexes one at a 
> time), but I think your database corruption problems will vanish.
>
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