Hi there,

unfortunately nobody answered my last question. I hope this try is more
successfull. Thank u.
####
At first, i am using SAPDB 7.4.3 Build 014-000-037-95 on different Linux
platforms.

First question:
Can u please give me an example on how to create a mirrored logfile. I know
to set log_mirrored to yes,
but both param_addvolume(database creation) and db_addvolume (afterwards)
always fail.

example:
dbmcl>help db_addvolume
OK
db_addvolume <mod> <nam> <typ> <siz> <mnam> <mtyp>

---
dbmcli>db_addvolume mlog /home/sapdb/duplexlog/log01 f 2621
ERR
-24996,ERR_PARAM: wrong parameter

example:
---snip---
param_directput LOG_MIRRORED YES
param_addvolume 1 LOG $HOME/$SID/log/DISKL001 F 2621
param_addvolume 1 MLOG $HOME/$SID/duplexlog/DISKL001 F 2621
param_addvolume 1 DATA $HOME/$SID/data/DISKD0001 F 5242
---snip---

Second question:
What is it good for having more than one "normal-not mirrored" logfile when
u use automatic
backup?

Third question:
If u use automatic backup for the logfile and for example
log_segment_size(ed) 3000 pages, what
logfile size do u recommend?

Thank u in advance.
Greetings Mischa
####

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