OT: Hot-swappable IDE drives

Hi,

I know that there are removable cartridges that allow one to swap
IDE disk drives when the PC is shut down, i.e. cold-swapping.

Is there a way to hot-swap IDE drives like it it possible with 
SCSI drives?  The 'net research I've done indicates that it is
not possible, but I wonder if I have missed anything.

TIA,
Ron
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| Ron Johnson, Jr.        Home: ron.l.johnson <at> cox.net        |
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Re: OT: Hot-swappable IDE drives

* Ron Johnson (ron.l.johnson <at> cox.net) spake thusly:
> Hi,
> 
> I know that there are removable cartridges that allow one to swap
> IDE disk drives when the PC is shut down, i.e. cold-swapping.
> 
> Is there a way to hot-swap IDE drives like it it possible with 
> SCSI drives?  The 'net research I've done indicates that it is
> not possible, but I wonder if I have missed anything.

I've hot-swapped IDE drives before. It's certainly doable, although
I wouldn't recommend it. Why do you want to hot-swap it, anyway?

Dima

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Re: OT: Hot-swappable IDE drives

On Wed, Feb 06, 2002 at 05:23:19PM -0600, Dimitri Maziuk wrote:
> * Ron Johnson (ron.l.johnson <at> cox.net) spake thusly:
> > Hi,
> > 
> > I know that there are removable cartridges that allow one to swap
> > IDE disk drives when the PC is shut down, i.e. cold-swapping.
> > 
> > Is there a way to hot-swap IDE drives like it it possible with 
> > SCSI drives?  The 'net research I've done indicates that it is
> > not possible, but I wonder if I have missed anything.
> 
> I've hot-swapped IDE drives before. It's certainly doable, although
> I wouldn't recommend it. Why do you want to hot-swap it, anyway?

Cheaper then a zip disk I guess...

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Re: Perl and CPAN

On Wed, Feb 06, 2002 at 06:00:20PM -0500, stan wrote:
> On Wed, Feb 06, 2002 at 11:32:37PM +0100, Frodo Baggins wrote:
> > 06/02/2002 14.52.17, Paul Hampson <Paul.Hampson <at> anu.edu.au> ha scritto:
> > 
> > >On Wed, Feb 06, 2002 at 08:33:39AM -0500, Chris Hilts wrote:
> > >> The installation instructions of a piece of software I'm considering
> > >> asks me to fetch several (ok, a lot of) modules from CPAN.  Since this
> > >> will be adding software to my Debian system, is this safe?  Is there a
> > >> Debianized way to do this?
> > >
> > >dh-make-perl
> > >
> So where does one find this wonderful tool?

 nnorman <at> foo:~ $ apt-cache showpkg dh-make-perl
 Package: dh-make-perl
 Versions: 
 0.9(/var/lib/apt/lists/141.213.4.21_debian_dists_woody_main_binary-i386_Packages)(/var/lib/apt/lists/141.213.4.21_debian_dists_unstable_main_binary-i386_Packages)(/var/lib/dpkg/status)

 Reverse Depends: 
 Dependencies: 
 0.9 - debhelper (2 3.0.0) libpod-parser-perl (0 (null)) perl (0
 (null)) make (0 (null)) dpkg-dev (0 (null)) fakeroot (0 (null)) 
 Provides: 
 0.9 - 
 Reverse Provides: 

Looks like it's in woody and sid

> I assume it lets you build a current version of perl, and install it The Debian Way (tm),

RE:OT: Hot-swappable IDE drives

Take a look at http://www.agate.com/

And in particular,
http://www.agatetech.com/products_shuttle.html

I've never used it, but it looks interesting, and claims to support
Linux.

Andrew.

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Re: OT: Hot-swappable IDE drives - fun stuff

hi ya ron

i think its possible...
donno why "nobody does it... per se"

found some supposed "hot swap IDE drive bays"...

	http://www.Linux-1U.net/Parts/#SCA
	( drive bays are just above it )
	
i think you can tell the system that the drive is NOT ready
while the drive is offline... swap it out... do your magic...
and than put it back online ???
	- tricky though.... if the new disk is clean
	that it'd need to be re-sync'd before it can be
	put back online and the cpu merrily keeps writing
	new data to it

there is a hotswap ide drive project.. looking to do this right ??
	http://www.linux-ide.org/

- why does one need hotswap ??? how often does an IDE disk die ???
	- i'd worry more aobut power cables, ethernet cables being jiggled
	- i'd worry about cpu and system fans dying
	- i'd worry about power supply dying
	- i'd worry about "users/developers"

Various reasons for disk  failures...
--------------------------------------

rp-pppoe

Re: OT: Hot-swappable IDE drives

On Thu, 7 Feb 2002 10:26:17 +1100 CaT <cat <at> zip.com.au> wrote:
> On Wed, Feb 06, 2002 at 05:23:19PM -0600, Dimitri Maziuk wrote:
> > * Ron Johnson (ron.l.johnson <at> cox.net) spake thusly:
> > > Hi,
> > > 
> > > I know that there are removable cartridges that allow one to swap
> > > IDE disk drives when the PC is shut down, i.e. cold-swapping.
> > > 
> > > Is there a way to hot-swap IDE drives like it it possible with 
> > > SCSI drives?  The 'net research I've done indicates that it is
> > > not possible, but I wonder if I have missed anything.
> > 
> > I've hot-swapped IDE drives before. It's certainly doable, although
> > I wouldn't recommend it. Why do you want to hot-swap it, anyway?
> 
> Cheaper then a zip disk I guess...

Not cheaper than a ZIP250, but 
- a 40GB disk is 160x the capacity
- infinitely more durable
- faster

-- 
+------------------------------------------------------------+
| Ron Johnson, Jr.        Home: ron.l.johnson <at> cox.net        |
| Jefferson, LA  USA      http://ronandheather.dhs.org:81    |
|                                                            |
!  "As I like to joke, I may have invented it, but Microsoft |
|   made it popular" David Bradley, regarding Ctrl-Alt-Del   |
+------------------------------------------------------------+

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Re: [SLL] Test module: Version conflict on a hello.o

Pann McCuaig wrote:
> 
> On Wed, Feb 06, 2002 at 14:24, Xeno Campanoli wrote:
> 
> > I do this:
> >
> > inneal:~# cat /usr/include/linux/version.h | grep 2.2.20
> > #define UTS_RELEASE "2.2.20"
> >
> > and doing it with 2.2.19 finds nothing.  This got updated from one
> > greater than the last kernel number before, so it's been that way for
> > two episodes.
> 
> pann <at> potato:~$ dpkg -S /usr/include/linux/version.h
> libc6-dev: /usr/include/linux/version.h
> 
> Best guess is that the current libc6 in potato was built on a machine
> running kernel-2.2.20. Sorta tacky considering kernel-source-2.2.20
> isn't even available via apt for potato.
> 
> But I think that's the answer to your question.

That sounds like a pretty good answer.  It seems way to silly to be a
security hack, but I still wanted to ask that, being the way I am.  I'll
CC the debian group.  Perhaps they'll take a look.
> 
> Luck,
> Pann
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Re: OT: Hot-swappable IDE drives

On Wed, 6 Feb 2002 17:23:19 -0600 Dimitri Maziuk <dmaziuk <at> yola.bmrb.wisc.edu> wrote:
> * Ron Johnson (ron.l.johnson <at> cox.net) spake thusly:
> > Hi,
> > 
> > I know that there are removable cartridges that allow one to swap
> > IDE disk drives when the PC is shut down, i.e. cold-swapping.
> > 
> > Is there a way to hot-swap IDE drives like it it possible with 
> > SCSI drives?  The 'net research I've done indicates that it is
> > not possible, but I wonder if I have missed anything.
> 
> I've hot-swapped IDE drives before. It's certainly doable, although
> I wouldn't recommend it. Why do you want to hot-swap it, anyway?

Data backup for my 60GB disk drive.  The only other technology
that I know of to protect the data would be a high-end tape drive,
like a DLT.  However, they cost 5x more then my computer...

Why don't you recommend it?

-- 
+------------------------------------------------------------+
| Ron Johnson, Jr.        Home: ron.l.johnson <at> cox.net        |
| Jefferson, LA  USA      http://ronandheather.dhs.org:81    |
|                                                            |
!  "As I like to joke, I may have invented it, but Microsoft |
|   made it popular" David Bradley, regarding Ctrl-Alt-Del   |
+------------------------------------------------------------+

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