Re: 54 TK50 tapes on eBay

2015-05-23 Thread Mark J. Blair
> On May 23, 2015, at 12:40, Steven M Jones wrote: > >> (after I sell a few more kidneys, that is) > > Careful hunting on eBay can produce LTO-4 capabilities (0.8/1.6TB) for not > too many vital organs. Just make sure you've got a fibre channel or SAS > interface to talk to it. Right. Me bei

Re: 54 TK50 tapes on eBay

2015-05-23 Thread Steven M Jones
On 05/23/2015 10:04, Mark J. Blair wrote: I'd like to get a modern DLT drive for my modern computer backups The current hotness is LTO (Linear Tape Open), I think LTO-5 gives you 3.0TB assuming 2:1 compression - and LTO-6 is probably the current flavor. (after I sell a few more kidneys, tha

Re: 54 TK50 tapes on eBay

2015-05-23 Thread Johnny Billquist
On 2015-05-23 19:04, Mark J. Blair wrote: I got my TK50 drive from eBay. Boy, that tape feeding mechanism sure looks screwy! I'd like to get a modern DLT drive for my modern computer backups (after I sell a few more kidneys, that is), but I'm still a bit suspicious of their similar (identical?

Re: 54 TK50 tapes on eBay

2015-05-23 Thread Mark J. Blair
I got my TK50 drive from eBay. Boy, that tape feeding mechanism sure looks screwy! I'd like to get a modern DLT drive for my modern computer backups (after I sell a few more kidneys, that is), but I'm still a bit suspicious of their similar (identical?) tape feeding scheme. All of my bad experie

Re: 54 TK50 tapes on eBay

2015-05-22 Thread Jon Elson
On 05/21/2015 01:19 AM, Jochen Kunz wrote: Am 20.05.15 um 22:41 schrieb Jon Elson: It largely depends on storage conditions. Sorry I can not afford a climate controlled cabinet. The tapes where stored in my "machine room", i.e. a normal bedroom in my flat. The "bad" conditions I mentioned were

Re: 54 TK50 tapes on eBay

2015-05-20 Thread Jochen Kunz
Am 20.05.15 um 21:11 schrieb Johnny Billquist: > Hmm. There might also be other issues when using a TZ30 as compared to a > TK50 here... I don't even remember how the TZ30 looks inside. There > might be rubber parts in there. No rubber. The tapes got stuck to the read-/write head. -- tschüß,

Re: 54 TK50 tapes on eBay

2015-05-20 Thread Jochen Kunz
Am 20.05.15 um 22:41 schrieb Jon Elson: > It largely depends on storage conditions. Sorry I can not afford a climate controlled cabinet. The tapes where stored in my "machine room", i.e. a normal bedroom in my flat. -- tschüß, Jochen

Re: 54 TK50 tapes on eBay

2015-05-20 Thread Jon Elson
On 2015-05-20 21:06, Jochen Kunz wrote: And my 9-track tapes are rotten to the point of uselessness too. They still worked most of the time about 10 years ago. It largely depends on storage conditions. I recently read some of my old backup tapes from the mid 1980's with no problem. The d

Re: 54 TK50 tapes on eBay

2015-05-20 Thread Mark Wickens
In case someone hasn't mentioned baking the tapes apparently an hour at 50 degc works wonders On 20 May 2015 20:48, "Johnny Billquist" wrote: > On 2015-05-20 21:36, Al Kossow wrote: > >> On 5/20/15 12:11 PM, Johnny Billquist wrote: >> >>> There might be rubber parts in there. >>> >>> Nope, I lik

Re: 54 TK50 tapes on eBay

2015-05-20 Thread Johnny Billquist
On 2015-05-20 21:36, Al Kossow wrote: On 5/20/15 12:11 PM, Johnny Billquist wrote: There might be rubber parts in there. Nope, I like them better than TK50s, though, because you pop off the two C rings and the head assembly lifts up to clean, which is necessary after every tape you try to read

Re: 54 TK50 tapes on eBay

2015-05-20 Thread Al Kossow
On 5/20/15 12:11 PM, Johnny Billquist wrote: There might be rubber parts in there. Nope, I like them better than TK50s, though, because you pop off the two C rings and the head assembly lifts up to clean, which is necessary after every tape you try to read. TK50 tapes stick or gum up at the e

Re: 54 TK50 tapes on eBay

2015-05-20 Thread Johnny Billquist
On 2015-05-20 21:06, Jochen Kunz wrote: Am 19.05.15 um 12:25 schrieb Johnny Billquist: Wow. That is definitely YMMV then. I've never seen that happen anywhere, and I occasionally still work with TK50s. (Even professionally.) It was a TZ30 in a DEC3000 running NetBSD, IIRC. We tried several TK5

Re: 54 TK50 tapes on eBay

2015-05-20 Thread Jochen Kunz
Am 19.05.15 um 12:25 schrieb Johnny Billquist: > > Wow. That is definitely YMMV then. I've never seen that happen anywhere, > and I occasionally still work with TK50s. (Even professionally.) It was a TZ30 in a DEC3000 running NetBSD, IIRC. We tried several TK50 tapes and all of them exhibited the

Re: 54 TK50 tapes on eBay

2015-05-19 Thread Johnny Billquist
On 2015-05-19 09:23, Arno Kletzander wrote: Johnny Billquist wrote: The TK50 normally do not gum up. There are two problems with them, and those problems have been around since day 1. The first one is that the heads get dirty. Cleaning with isopropanol or similar with a lint-free pad solves tha

Re: 54 TK50 tapes on eBay

2015-05-19 Thread Arno Kletzander
Johnny Billquist wrote: > The TK50 normally do not gum up. There are two problems with them, and > those problems have been around since day 1. > The first one is that the heads get dirty. Cleaning with isopropanol or > similar with a lint-free pad solves that just fine. > The second problem is