NO, "excessive write failures" is NOT a normal result of a DB backup,
even during times of very high contention.

Look carefully at the errors in your activity log to figure out why, or
send us the EXACT messages
.
DB backups don't "lock" nodes.



  

-----Original Message-----
From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
Richard Mochnaczewski
Sent: Friday, September 08, 2006 10:45 AM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Database backup during day

Hi Everybody,

We are looking into scheduling a database backup during the day as the
last database backup we have for our nightly process is done at around
4:00 AM in the morning. If something should happen in the afternoon,
then we can go back to the latest database backup  which we would have
go to disk as our database backup from the morning would be offsite.
I've tried running a database backup during the day but it constantly
fails with an error regarding excessive write failures. Is this because
the nodes are not locked ? If they need to be locked, doesn't that cause
contention if a backup/restore request is made by a client ?

Rich