Subject Re: [firebird-support] gbak error
Author Woody
Not sure it helps, but I once had my FB backup schedule service stop working after a server software update. It was a Windows server, though, so not sure it applies here. Just something else to think about.

Woody (TMW)
Sent: Tuesday, August 30, 2016 3:36 PM
Subject: Re: [firebird-support] gbak error

no, not a file name collision and plenty of disk space
this just started happening, no change to installed s/w

Nick Upson,
Principal Operations Engineer, Telensa Ltd.
Direct +44 (0) 1799 533252, Support Hotline +44 (0) 1799 399200

On 30 August 2016 at 21:14, Helen Borrie helebor@... [firebird-support] <> wrote:

Hello Nick,

> I'm running fb2.1 on centos5, recently a system has started
> throwing this error when asked to do a backup, the gbak parameters
> are unchanged, permissions all seem ok, any suggestions what I might check

> gbak: ERROR:Unexpected I/O error while writing to backup file
> gbak:Exiting before completion due to errors

"gbak parameters are unchanged." Could be you already have a file in
that location with the same name.