Re: onbar performance

"Murray Wood (IList)" <ifxmaillist@quanta.co.nz> wrote in message news:<c95jpu$54l$1@terabinaries.xmission.com>... > Adrian > > onbar sends its data to a Storage Manager. Which storage manager are you using? Does it reside on the database server or elsewhere? Where does the tape and disk reside in relation to the storage manager? > > Writing to disk has always much much faster than to tape. > > MW > > > -----Original Message----- > > From: owner-informix-list@iiug.org > > [mailto:owner-informix-list@iiug.org]On Behalf Of Adrian Baseley > > Sent: Thursday, 27 May 2004 9:24 p.m. > > To: informix-list@iiug.org > > Subject: onbar performance > > > > > > IDS 7.31.UD5 and 7.31.UC6 on SCO UnixWare 7.1.1 > > > > Can any of you give me an indication of speeds writing to disk > > and tape with > > onbar? > > > > I have onbar working ok, backing up and restoring without any > > problems, but > > it seems a little on the slow side. > > > > Backing up to tape is reporting at approximately 15 Mb/s whereas > > writing to > > disk is reporting at anywhere between 1 and 5 Mb/s. I can appreciate it > > varying a little when writing to disk, due to other disk activity, but it > > doesn't seem to make much sense that writing to disk is many times slower > > than writing to tape. > > > > I'd appreciate someone making sense of this for me, and what write speeds > > other people are experiencing to both tape and disk. > > > > Thanks in advance > > Adrian Baseley > > > > This email has been scanned on behalf of Huntleigh Technology PLC > > for all viruses by the MessageLabs SkyScan service. > > ________________________________________________________________________ > > sending to informix-list > > sending to informix-list An obvious one i know - but make sure you dont have debugging switched on in the onconfig - that hammered me once.