On Fri, Sep 29, 2017 at 3:05 AM, Christian Corti via cctalk < cctalk@classiccmp.org> wrote:
> On Thu, 28 Sep 2017, Geoffrey Oltmans wrote: > >> Speaking of.... I've got a couple of old MFM drives (10 and 20 MB of a >> variety whose name and model #'s escape me, I wanna say Tandon, but not >> sure). They seem to work fine when I initially format and partition, but >> as >> they run for a while, they get more and more unreliable. It seems to be a >> function of how long they've been running for rather than a predictable >> pattern of bad tracks sectors? Are there any good sources of >> troubleshooting info at the controller level for these old drives? >> > > Well, that's normal. The usual procedure is to let the drive warm up for > 10-20 minutes before formatting. And it is also normal for some models that > they must be reformatted after, say, a couple of months or years, depending > on make and manufacturer. The Rhodime 50MB drive in my IBM 8550 is such a > beast. My procedure is to run Norton CALIBRAT to reformat the drive > losslessly. > > > Good idea. I'll give that a shot.
