Posting from the Informix-list
Posted in 2000
Topics: High Availability & Replication, Backup & Restore, Storage & Space Management, Platform-Specific Issues
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Hi Listers,
We are using IDS for Workgroups 7.30.UC3 on Solaris 2.7.
I have allocated 6 slices to Informix dbspaces.
Two of the dbspaces have one chunk of 2GB each.
One of these dbspaces is for our General Ledger tables.
The other is for Non-GL tables.
I attempted to export and import the database in an effort
to consolidate all GL tables and indexes in dbspace "sxxigldbs".
Before trying this procedure the dbspaces reported the following
amounts of free space:
Size Free
rootdbs 48MB 43MB
logsdbs 97MB 48MB
physdbs 29MB 28MB
sxxicoredbs 1953MB 1949MB
sxxigldbs 1953MB 968MB
tempsdbs(1-6) 48MB 48MB
After the import failed due to lack of space in the chunk, the space
usage reported by the two dbspaces that were changed is as follows:
sxxicoredbs 1953MB 1952MB
sxxigldbs 1953MB 0MB
I know we simply ran out of chunk space. However, my question is why is it
that
before when the GL indexes was in the other dbspace (sxxicoredbs) the space
used
was only about 4MB. Then when I'm creating the indexes in the same dbspace
as the
GL tables they use about 968MB.
I know that it is desirable to create indexes in their own dbspace, however,
I' ve run
out slices on the Sun 9GB external disk.
How can I measure the space used by indexes.
The GL system has one table that is large. It is the transactions history
table.
It has 11 indexes consisting of several fields. I know it's the space Hog.
It's desirable to create that table in its own dbspace as well.
Another issue is that I want to be able to restore just the GL dbspace which
would
have all the GL tables and indexes and not the Non-GL dbspaces.
How can I do that if I'm using ontape to backup?
I tried restoring only selected dbspaces before using ontape, but the
database was
left in an incompatible state. I had to restore all dbspaces.
I would appreciate your comments and ideas.
Thanks in advance for your help.
Denmark W.
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In article <8bbnq2$c4e$1@news.xmission.com>, Denmark B. Weatherburn
<dweatherb@btl.net> writes
>
>This is a multi-part message in MIME format.
>I know we simply ran out of chunk space. However, my question is why is it
>that
>before when the GL indexes was in the other dbspace (sxxicoredbs) the space
>used
>was only about 4MB. Then when I'm creating the indexes in the same dbspace
>as the
>GL tables they use about 968MB.
What does oncheck -pe give??
--
David Williams
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