New Finds Today - Specifically the TK25

From: John R. Keys Jr. <jrkeys_at_concentric.net>
Date: Wed May 24 18:25:55 2000

Thanks for the tips and information. John
John Keys
----- Original Message -----
From: Jerome Fine <jhfine_at_idirect.com>
To: <classiccmp_at_classiccmp.org>
Sent: Wednesday, May 24, 2000 7:45 AM
Subject: Re: New Finds Today - Specifically the TK25


> >John R. Keys Jr. wrote:
>
> > Had a good day today as I got a digital TK25 with cable
>
> Jerome Fine replies:
>
> >From personal experience, a TK25 is about 25% faster than a TK50
(AFTER
> the tape has been tensioned the first time it is inserted - which may
take as long
> as a few minutes - but can often be done while other things are
happening - like
> booting the OS). In RT-11, I also use VBGEXE to increase the size of
the
> buffers when I do a "/VERIFY:ONLY" command (yes I know - that notation
> can't be used with VBGEXE which requires CSI switches). I may have a
spare
> controller. Do you have anything to swap? I may also have a few
spare cartridges.
>
> The drive uses standard DC600A tapes (1/4" QIC cartridges). The only
drawback
> compared to a TK50 is that the capacity is less than 2 RT-11
partitions, but when
> it comes to doing a "/VERIFY:ONLY" on a TK50, it takes so long that I
never
> used the TK50 for regular backup, only as an off-site exchange media.
And then,
> a VERIFY operation consisted of doing a RESTORE to a scratch partition
followed
> by a BINCOM with the original file or partition.
>
> Sincerely yours,
>
> Jerome Fine
>
>
Received on Wed May 24 2000 - 18:25:55 BST