Re: Changing a tape's density

2000-10-25 Thread Chris Karakas
Frederic Woodbridge wrote: > > Do I have to "format" a tape before I can use it, especially if it > was on an NT box and now no longer is? Am I making sense? > Since generally the various medium formats are specified in international standards and the drivers have to abide by them, I would say

Re: Changing a tape's density

2000-10-25 Thread Joi Ellis
On Wed, 25 Oct 2000, Chris Karakas wrote: > >I think he means the density on the magnetic medium, as measured in bits >per inch. I don't think you can change this (at least not set a higher >density for a medium constructed with a lower one), because it has to do >with the density of the magnetic

Re: Changing a tape's density

2000-10-25 Thread Chris Karakas
Joi Ellis wrote: > > On Tue, 24 Oct 2000, Bernhard R. Erdmann wrote: > > >Paul Tomblin wrote: > [snip] > >> reformat? I don't have a bulk eraser. I tried using "mt setdensity > >> DDS-2", but it didn't take. > > > >mt weof 5 > >or > >mt erase > >or > >dd if=/dev/zero bs=32k of=$TAPE > > In my

Re: Changing a tape's density

2000-10-24 Thread Mitch Collinsworth
> Perhaps we're missing something... DAT cartridges com in various > flavors, right? DDS1 vs DDS2, etc. Perhaps your media knows it isn't > tested for compressed drives and doesn't have the proper notches. Well he said it's a 120 m tape. That's DDS2. DDS1 are 60 and 90 m. -Mitch

Re: Changing a tape's density

2000-10-24 Thread Paul Tomblin
Quoting Joi Ellis ([EMAIL PROTECTED]): > On Tue, 24 Oct 2000, Paul Tomblin wrote: > >So far nothing has worked. I've tried "mt weof 10", "mt erase" and "mt > >setdensity 0x24", and nothing has worked. > > Perhaps we're missing something... DAT cartridges com in various > flavors, right? DDS1

Re: Changing a tape's density

2000-10-24 Thread Joi Ellis
On Tue, 24 Oct 2000, Paul Tomblin wrote: >Date: Tue, 24 Oct 2000 18:33:11 -0400 >From: Paul Tomblin <[EMAIL PROTECTED]> >To: Amanda <[EMAIL PROTECTED]> >Subject: Re: Changing a tape's density > >So far nothing has worked. I've tried "mt weof 1

Re: Changing a tape's density

2000-10-24 Thread David DeSimone
Paul Tomblin <[EMAIL PROTECTED]> wrote: > > So far nothing has worked. I've tried "mt weof 10", "mt erase" and "mt > setdensity 0x24", and nothing has worked. I had the same problem, where I accidentally used DDS-2 media in a DDS-1 drive, and the tapes wouldn't be recognized as DDS-2 anymore, ev

Re: Changing a tape's density

2000-10-24 Thread Paul Tomblin
Quoting Joi Ellis ([EMAIL PROTECTED]): > On Tue, 24 Oct 2000, Bernhard R. Erdmann wrote: > >Paul Tomblin wrote: > [snip] > >> reformat? I don't have a bulk eraser. I tried using "mt setdensity > >> DDS-2", but it didn't take. > >mt weof 5 > >or > >mt erase > >or > >dd if=/dev/zero bs=32k of=$TAP

Re: Changing a tape's density

2000-10-24 Thread Joi Ellis
On Tue, 24 Oct 2000, Bernhard R. Erdmann wrote: >Paul Tomblin wrote: [snip] >> reformat? I don't have a bulk eraser. I tried using "mt setdensity >> DDS-2", but it didn't take. > >mt weof 5 >or >mt erase >or >dd if=/dev/zero bs=32k of=$TAPE In my own experience, using only a dd won't change th

Re: Changing a tape's density

2000-10-23 Thread Bernhard R. Erdmann
Paul Tomblin wrote: > > I just bought a DDS-2 drive to replace my DDS-1 drive (anybody want to buy > it?). Anyway, I tried one of my 120m tapes that had been used in the > DDS-1 drive, and it appears that the new drive recognizes the old format > and won't write to it at the higher density. How

Re: Changing a tape's density

2000-10-23 Thread Joi Ellis
On Mon, 23 Oct 2000, Paul Tomblin wrote: > I just bought a DDS-2 drive to replace my DDS-1 drive (anybody want to buy > it?). Anyway, I tried one of my 120m tapes that had been used in the > DDS-1 drive, and it appears that the new drive recognizes the old format > and won't write to it at the h

Re: Changing a tape's density

2000-10-23 Thread Mitch Collinsworth
Hi Paul, Surely you can find a decent magnet somewhere to wave them past. Congratulations on getting rid of the DDS-1. In our experience those were nothing but trouble. DDS-2 was better but not great. Apparently it took them until DDS-3 to really get it right. Too late for me. By that point I'

Changing a tape's density

2000-10-23 Thread Paul Tomblin
I just bought a DDS-2 drive to replace my DDS-1 drive (anybody want to buy it?). Anyway, I tried one of my 120m tapes that had been used in the DDS-1 drive, and it appears that the new drive recognizes the old format and won't write to it at the higher density. How can I force it to reformat? I