Re: this is not a specific linux question but more of just UNIX - tar, dump, restore command questions?
From: Dances With Crows (danSPANceswitTRAPhcrows_at_gmail.com)
Date: 09/23/04
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Date: 23 Sep 2004 16:27:17 GMT
On Tue, 21 Sep 2004 10:29:38 -0500, Dave Uhring staggered into the Black
Sun and said:
> On Tue, 21 Sep 2004 15:03:06 +0000, Dances With Crows wrote:
>> In this case, the data is *already* on a Linux machine. The Linux
>> machine even has a DLT. Unfortunately, DLT tapes are a lot more
>> expensive than DDS tapes. The only DDS drives here are on Windows
>> machines and can't be moved.
> Yeah, but the DLT media holds more data. And indeed the media are
> much more expensive than DDS.
You can fit about 2.5 DDS tapes in the space a DLT tape takes up, which
sort of makes up for the capacity difference (DDS4 = 20G, DLT4 = 40G).
The real killer is medium reliability. I've *never* had a DLT cough up
medium errors and I've had DDS tapes give medium errors out the wazoo.
>> it's really nice to be able to read and write tar tapes on a Windows
>> machine.
> Actually not :-) I don't do Windoze normally.
'Doze is a fixture in this office for various reasons (VC++, old
applications, people who would scream if they couldn't use Outhouse) and
some hardware is in 'Doze machines and can't be moved easily. One app
depends on MS SQL Sewer, but the long-term plan is to port all 5
bazillion stored procedures over to Postgres.
What really surprised me was that there's no currently-existing Free way
to read and write tar tapes under Windows. There's a TAPEIO.EXE out
there that claims to work under 'DozeNT, but it doesn't work properly
under 2K. I had to roll my own after reading all the MSDN junk about
tapes then connect it to an older Cygwin tar that groks stdin/stdout.
(There's a shareware GUI app that reads and writes tar tapes, but it's
$495. Whiskey, Tango, Foxtrot?) My improved TAPEIO works properly
under 2K but since I developed it on company time and with company
equipment, I'm not sure whether I can release it so other poor Windows
users can have fun with tar. *sigh*
> There are some users who will *never* accustom themselves to using
> something other than Windoze. As long as their "workstations" are
> behind a good firewall and their work product is kept on the samba
> server all is well. I remove user access to IE and OE on those
> machines and replace them with Firefox and Thunderbird - reduces the
> number of reinstalls.
The firewall's good, \\iceborg\cvsroot and \\borg\employees are backed
up to DLT every day, and use of Outhouse is discouraged. Firefox isn't
being pushed, though a couple of folks use it.
-- Matt G|There is no Darkness in Eternity/But only Light too dim for us to see Brainbench MVP for Linux Admin / mail: TRAP + SPAN don't belong http://www.brainbench.com / Hire me! -----------------------------/ http://crow202.dyndns.org/~mhgraham/resume
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