RE: onbar performance
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
>
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