Hi All
I was just wundering is there any way of mirroring our active logs
just in case of disk failures.wil db2 do it automatically for us maybe
through some inititalisation parameter.
regards
Hrishy
11  2034 
"hrishy" <hr*****@yahoo. co.uk> wrote in message
news:4e******** *************** ***@posting.goo gle.com... Hi All
I was just wundering is there any way of mirroring our active logs
just in case of disk failures.wil db2 do it automatically for us maybe
through some inititalisation parameter.
regards
Hrishy
What is your DB2 version and operating system?
"Mark A" <ma@switchboard .net> wrote in message news:<8t******* **********@news .uswest.net>... "hrishy" <hr*****@yahoo. co.uk> wrote in message
news:4e******** *************** ***@posting.goo gle.com... Hi All
I was just wundering is there any way of mirroring our active logs
just in case of disk failures.wil db2 do it automatically for us maybe
through some inititalisation parameter.
regards
Hrishy
What is your DB2 version and operating system?
Its interesting?
If my OpSys= AIX 5.2 ML01 (32 bit) and DB2/UDB 7.2EE FP10?
Thanks,
VKG
> > What is your DB2 version and operating system?
Its interesting?
If my OpSys= AIX 5.2 ML01 (32 bit) and DB2/UDB 7.2EE FP10?
Thanks,
VKG
The ability to do mirror logging depends on the release level, but I don't
remember when it was introduced. Maybe someone else can tell us.
I believe 7.2, with DB2 appending a "2" onto the end of the logpath. V8
allows one to customize, if I'm not mistaken.
Larry Edelstein
Mark A wrote: What is your DB2 version and operating system?
Its interesting?
If my OpSys= AIX 5.2 ML01 (32 bit) and DB2/UDB 7.2EE FP10?
Thanks,
VKG
The ability to do mirror logging depends on the release level, but I don't
remember when it was introduced. Maybe someone else can tell us.
Mark A wrote: >
> What is your DB2 version and operating system?
Its interesting?
If my OpSys= AIX 5.2 ML01 (32 bit) and DB2/UDB 7.2EE FP10?
Thanks,
VKG
The ability to do mirror logging depends on the release level, but I don't
remember when it was introduced. Maybe someone else can tell us.
AFAIK it was introduced with DB2 7.2 (i.e. 7.1, Fixpak 3).
In 7.2 log mirroring can be configured thru the registry
variable DB2_NEWLOGPATH2 . However it was some kind of inflexible
because the mirror path could not be set explicitly, the character
'2' was appended to the the value of LOGPATH to build the
mirror logpath name.
In 8.1x DB2_NEWLOGPATH2 has been replaced by the MIRRORLOGPATH
db config parameter, which could be set to a full pathname.
Best regards
Eric
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>The ability to do mirror logging depends on the release level, but I don't remember when it was introduced. Maybe someone else can tell us.
I posted a similar thread after my shop experienced a data loss. The feedback I
got then was V7 FP11 or as advised by our own certified guru V8.
I was taken aback by how primitive UDB was in this respect. After all, it is a
fairly fundamental requirement. Oracle has provided dual logging since I first
got my hands on it back in 1998 (and probably before then).
"MCPHEAL" <mc*****@aol.co m> wrote in message
news:20******** *************** ****@mb-m07.aol.com... The ability to do mirror logging depends on the release level, but I
don'tremember when it was introduced. Maybe someone else can tell us.
I posted a similar thread after my shop experienced a data loss. The
feedback I got then was V7 FP11 or as advised by our own certified guru V8.
I was taken aback by how primitive UDB was in this respect. After all, it
is a fairly fundamental requirement. Oracle has provided dual logging since I
first got my hands on it back in 1998 (and probably before then).
Dual logging has been on DB2 for OS/390 from the beginning in the mid
1980's. However in defense of DB2 for Linux, UNIX, and Windows, disk
mirroring (at the disk controller level or at the OS level) as well as
RAID-5, have been available for a long time, which basically provides a
similar function.
Mark A wrote: However in defense of DB2 for Linux, UNIX, and Windows, disk
mirroring (at the disk controller level or at the OS level) as well as
RAID-5, have been available for a long time, which basically provides a
similar function.
Not really. Hardware mirroring protects against a disk failing; dual
logging helps can do this as well, but also protects against user error
(someone accidentally removing the log files).
-----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World!
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> > However in defense of DB2 for Linux, UNIX, and Windows, disk mirroring (at the disk controller level or at the OS level) as well as
RAID-5, have been available for a long time, which basically provides a
similar function.
Not really. Hardware mirroring protects against a disk failing; dual
logging helps can do this as well, but also protects against user error
(someone accidentally removing the log files).
I said it was similar, not exactly the same. Really. This thread has been closed and replies have been disabled. Please start a new discussion. Similar topics | |
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