Re: Compression with ontape

Gabriela Bellani wrote: > > Hi, > We are experiencing with a new tape device (EXABYTE 8500 8mmm Helical > Scan ) for doing ontape. The default mode of operation of the device is > with compression ON. We did a Level 0 archive (18GB to back up) with > ontape in an hour and a half, and the corresponding restore took the same > time... > Are there any disadvantages when using compression ? I've heard some time > ago that we shouldn't use compression with ontape...is that true ? > > TIA > Gabriela Bellani There used to be something in the release notes about this. From what I remember Informix only supports BSD drivers and not the SVR4 compression drivers. So if you want compression it had to be done by the tape device in the hardware. The situation might have changed. Have you check the cdi archive? -- Paul Watson # WF Software Ltd # It said run using Windows 95 Tel: +44 1436 674629 # or better in the manual Fax: +44 1436 678693 # so I used Unix www.wfsoftware.co.uk #