Again, I've been misunderstood. I'm looking for an adapter that allows
one to use standard size SD cards in a MicroSD slot.
On Fri, 27 Jul 2018, Alexander Schreiber via cctalk wrote:
I'm not very optimistic here, given that the µSD card end of such an
adapter is going to be quite mechanically
DVD-RAM: Is it a reliable technology?
nobody has yet written about it :P
On Wed, Jul 25, 2018 at 04:28:54PM -0700, Chuck Guzis wrote:
> On 07/25/2018 02:56 PM, Alexander Schreiber wrote:
>
> > Of course there are. Since both SD cards and µSD cards have identical
> > electrical and protocol interfaces, those adapters are just passive pieces
> > of plastic and wires. In
On 2018-07-25 10:39 PM, Fred Cisin via cctalk wrote:
For example, If I want to use a Micro-4/3 lens on a Leica bellows, then
On Wed, 25 Jul 2018, Zane Healy wrote:
Why would I want to use a Micro-4/3 lens on my Leica’s, will it even
cover the 35mm frame (or full frame sensor)?
I
For example, If I want to use a Micro-4/3 lens on a Leica bellows, then
On Wed, 25 Jul 2018, Zane Healy wrote:
Why would I want to use a Micro-4/3 lens on my Leica’s, will it even
cover the 35mm frame (or full frame sensor)?
I wouldn't. But, I'd like to use the leica BELLOWS on the digital
> On Jul 25, 2018, at 3:43 PM, Fred Cisin via cctalk
> wrote:
>
> For example, If I want to use a Micro-4/3 lens on a Leica bellows, then which
> way is "TO"? Are we adapting the M4/3 lens to Leica bellows, or adapting
> the Leica bellows to M4/2? You and I might know what we mean, but
On 07/25/2018 04:37 PM, Fred Cisin via cctalk wrote:
> Like this? :
> https://www.ebay.com/itm/183299125079
That might have possibilities. I've ordered a couple of eBay item
362055535419, for 2 clams and change each. Same thing from Cathay.
Thanks,
Chuck
On Wed, 25 Jul 2018, Chuck Guzis via cctalk wrote:
Again, I've been misunderstood. I'm looking for an adapter that allows
one to use standard size SD cards in a MicroSD slot.
I can find only one incarnation of this idea in a rather shoddy-locking
hunk of F44 PCB with a uSD socket mounted on it.
At 06:06 PM 7/25/2018, Fred Cisin via cctalk wrote:
>and, in line with the treachery of descriptions of adapters, several of those
>are micro-SD to micro-SD extenders, NOT size adapters!
You can daisy-chain them. It helps get around the form factor and
clearance issues. :-)
- John
On 07/25/2018 04:06 PM, Fred Cisin via cctalk wrote:
>
> and, in line with the treachery of descriptions of adapters, several of
> those are micro-SD to micro-SD extenders, NOT size adapters!
>
> But, one of those has "other alternatives" that seem to be the right one.
The ones with a ribbon
On 07/25/2018 02:56 PM, Alexander Schreiber wrote:
> Of course there are. Since both SD cards and µSD cards have identical
> electrical and protocol interfaces, those adapters are just passive pieces
> of plastic and wires. In fact, a lot of µSD cards sold these days come
> packaged with a µSD to
Yes, micro-SD often comes with an adapter to use micro-SD in an SD slot.
But are there adapters readily available to connect an SD card to a device that
has a micro-SD slot?
(">> for insertion of standard SD into mcroSD slots?")
On Wed, 25 Jul 2018, John Foust via cctalk wrote:
Wouldn't such
>Of course there are. Since both SD cards >and µSD cards have identical
>electrical and protocol interfaces, those >adapters are just passive pieces
>of plastic and wires. In fact, a lot of µSD >cards sold these days come
I believe Chuck is looking for the other way SD to micros i.e. a size
At 05:43 PM 7/25/2018, Fred Cisin via cctalk wrote:
>Yes, micro-SD often comes with an adapter to use micro-SD in an SD slot.
>But are there adapters readily available to connect an SD card to a device
>that has a micro-SD slot?
>(">> for insertion of standard SD into mcroSD slots?")
Wouldn't
> On Jul 25, 2018, at 4:56 PM, Alexander Schreiber via cctalk
> wrote:
>
>> Are there such things as "microSD" to "standard SD" adapters that allows
>> for insertion of standard SD into mcroSD slots?
>
> Of course there are. Since both SD cards and µSD cards have identical
> electrical and
On Mon, Jul 23, 2018 at 10:54:26AM -0700, Chuck Guzis via cctalk wrote:
> On 07/22/2018 09:05 PM, Warner Losh via cctalk wrote:
> > Throughout this whole thread, I've been tempted to say that you get better
> > data fidelity if you take a green magic marker and mark the edges of the
> > disk...
>
On 07/24/2018 12:42 PM, Eric Smith via cctalk wrote:
I wrote a lot of DDS2 and DDS3 tapes back in the day. When my DDS3
drive broke, I got another drive. I found out that my first drive was
seriously out of calibration, and though it could read its own tapes,
other drives could not. All the
I have a brand new DLT drive for sale
brand new, it's SCSI, 2U
2018-07-24 20:42 GMT+02:00 Eric Smith via cctalk :
> I wrote a lot of DDS2 and DDS3 tapes back in the day. When my DDS3 drive
> broke, I got another drive. I found out that my first drive was seriously
> out of calibration, and though
I wrote a lot of DDS2 and DDS3 tapes back in the day. When my DDS3 drive
broke, I got another drive. I found out that my first drive was seriously
out of calibration, and though it could read its own tapes, other drives
could not. All the data was gone.
I'm considering getting an LTO drive, but I
> On Jul 24, 2018, at 10:55 AM, Grant Taylor via cctalk
> wrote:
>
>> On 7/21/18 9:14 AM, Carlo Pisani via cctalk wrote:
>> what is your experience?
> I personally have had reasonable success with CD-Rs.
>
> I used Verbatim Blue CD-Rs for general storage back when I had a single 6.4
> GB
On 7/21/18 9:14 AM, Carlo Pisani via cctalk wrote:
what is your experience?
I personally have had reasonable success with CD-Rs.
I used Verbatim Blue CD-Rs for general storage back when I had a single
6.4 GB drive in '98. I have recently read the contents of all the
surviving disks with no
On 7/23/18 9:51 AM, Alexander Schreiber via cctalk wrote:
Another thing to keep in mind: it is nice if your backup medium lasts
decades, but what about the reader for it? Will that be available
down the road as well and usable?
I seem to recall reading about a ""tape drive that wrote
On 7/22/18 2:06 PM, Zane Healy via cctalk wrote:
I wouldn’t touch 4mm DAT tapes with a ten foot pole, if I can help
it. I’ve used them in the past, but only in special cases, OR more
importantly when forced to.
I had reasonable success with DDS2 & DDS3 DATs back in the day. I
routinely
On 7/23/18 12:00 PM, Geoffrey Oltmans via cctalk wrote:
Probably a good idea to use something like RAR with parity. I know I
have downloaded some multi-segment binaries in RAR format from usenet
with several missing segments and as long as I had the parity file
set it could successfully
has anyone ever used Iomega Rev as backup media?
how good is that?
2018-07-23 23:11 GMT+02:00 Ali via cctalk :
>> Probably a good idea to use something like RAR with parity. I know I
>> have
>> downloaded some multi-segment binaries in RAR format from usenet with
>> several missing segments
> Probably a good idea to use something like RAR with parity. I know I
> have
> downloaded some multi-segment binaries in RAR format from usenet with
> several missing segments and as long as I had the parity file set it
> could
> successfully recover the entire archive.
Parity will only take
Does anybody here have experience with "M-Disc"?
It is available up to 100GB BDXL!
Drives start at less than $100; media is prices vary - the 100GB starts
at about $20 each, but the low capacity versions are bordering on
competitive.
On Mon, 23 Jul 2018, Ali wrote:
I have used M-Disc to
> On Jul 23, 2018, at 1:20 PM, Carlo Pisani via cctalk
> wrote:
>
> what about DVD-RAM?
> are they good about data-reliability?
>
> cost:
> - SCSI DVD-RAM reader/writer, say about 180-240 euro, brand new
> - DVD-RAM cartridge (disk + caddy), say about 20 euro per 5 disks, brand new
>
> how
what about DVD-RAM?
are they good about data-reliability?
cost:
- SCSI DVD-RAM reader/writer, say about 180-240 euro, brand new
- DVD-RAM cartridge (disk + caddy), say about 20 euro per 5 disks, brand new
how long does a DVD-RAM last?
4.5Gbyte per disk is ok for me, I need to archive my source
What kind of media is it DVD+R or DVD-R? I think DVD-R (Pioneer) came first
and all the original DVD burners support it and it is the most reliable if
you are making movies for older DVD players. DVD+R is a Sony and Phillips
design and the recording format is different.
The last generation
On Mon, Jul 23, 2018 at 11:48 AM, Chuck Guzis via cctalk <
cctalk@classiccmp.org> wrote:
> I think that the use of tapes in the 23rd century justifies their
> reputation for durability:
>
> http://memory-alpha.wikia.com/wiki/Microtape
Very impressive, since Microtape was first sold in 1963, as
On 07/23/2018 09:21 AM, Devin Monnens via cctech wrote:
>> I have a lot of backup here stored in CDs, and I have recently bought
>> an SCSI DVDRAM unit to create new backups in caddies DVD-RAMs (of
>> 4.2Gbyte each)
>
> what is your experience?
>
>
> I recently disposed of a couple hundred DVD
>
> I have a lot of backup here stored in CDs, and I have recently bought
> an SCSI DVDRAM unit to create new backups in caddies DVD-RAMs (of
> 4.2Gbyte each)
what is your experience?
I recently disposed of a couple hundred DVD and CD backups I'd made. As
mentioned in a previous comment, it's
> Does anybody here have experience with "M-Disc"?
>
> It is available up to 100GB BDXL!
> Drives start at less than $100; media is prices vary - the 100GB starts
> at
> about $20 each, but the low capacity versions are bordering on
> competitive.
Fred,
I have used M-Disc to archive photos and
On Mon, Jul 23, 2018 at 12:54 PM, Chuck Guzis via cctalk <
cctalk@classiccmp.org> wrote:
>
> IMIHO, a grievous error by making things too physically small. The
> standard SD card is easy enough to pick out in a deep-pile carpet. Not
> so, the usual black-colored MicriSD. The dog might well eat
On Sun, Jul 22, 2018 at 7:13 PM, Charles Dickman via cctalk <
cctalk@classiccmp.org> wrote:
> Below is a sampling of disks recorded between 2001 and 2009. It is
> likely that the disks of the same type were from the same package
> because I don't use many disks. They were stored without much
On 07/22/2018 09:05 PM, Warner Losh via cctalk wrote:
> Throughout this whole thread, I've been tempted to say that you get better
> data fidelity if you take a green magic marker and mark the edges of the
> disk...
On the other hand, information on MicroSD cards is likely to end up in
the sewer
On 07/22/2018 09:05 PM, Warner Losh via cctalk wrote:
> Throughout this whole thread, I've been tempted to say that you get better
> data fidelity if you take a green magic marker and mark the edges of the
> disk...
>
I think that the use of tapes in the 23rd century justifies their
reputation
On Sun, Jul 22, 2018 at 08:06:24PM +0200, Carlo Pisani via cctalk wrote:
> thus DDS4, LTO2, DLT: which is the best tape?
If you even remotely care about your data, stay far away from DDS.
In a previous job we used DDS3 tapes as system backup and restore
tapes (since the machines could boot from
On 07/21/2018 10:14 AM, Carlo Pisani via cctalk wrote:
hi
yesterday I was shocked by a couple of videos on Youtube where guys
pointed out their negative experiences with CD ROM and DVD RAM as
media for their own backup.
They complained their data completely lost after 5 years of storage in
CD
Grumpy Ol' Fred wrote:
On Sun, 22 Jul 2018, Chuck Guzis via cctalk wrote:
> I'd almost forgotten about that old chestnut. Fortunately, Snopes
> remembers:
> https://www.snopes.com/fact-check/bewaring-of-the-green/
But, what about using a gold USB cable?
Only if it is pure gold. None of
On Sun, 22 Jul 2018, Chuck Guzis via cctalk wrote:
I'd almost forgotten about that old chestnut. Fortunately, Snopes
remembers:
https://www.snopes.com/fact-check/bewaring-of-the-green/
But, what about using a gold USB cable?
Surely the quality of the power filtration must make a difference.
On 07/22/2018 09:05 PM, Warner Losh via cctalk wrote:
> Of course, I know people here will get that old, tired meme... It got me
> wondering, though, if anybody tested that hypothesis for longevity since
> the marker would seal the edges... maybe :)
I don't know about sealing anything, as the
Throughout this whole thread, I've been tempted to say that you get better
data fidelity if you take a green magic marker and mark the edges of the
disk...
Of course, I know people here will get that old, tired meme... It got me
wondering, though, if anybody tested that hypothesis for longevity
Is there any relationship betwween the SPEED at which laser-disks are
written and the length of time that the recording will last?
Kurt
>> On Jul 22, 2018, at 6:47 PM, Chuck Guzis via cctalk
>> wrote:
>>
>> On 07/22/2018 06:34 PM, Zane Healy via cctalk wrote:
>>
>>> On premises has the exact
> On Jul 22, 2018, at 6:47 PM, Chuck Guzis via cctalk
> wrote:
>
> On 07/22/2018 06:34 PM, Zane Healy via cctalk wrote:
>
>> On premises has the exact same problem as tape. You must have a refresh
>> plan. That’s the advantage of off prem, you don’t have to worry about
>> refresh.
>
> I
On 07/22/2018 06:34 PM, Zane Healy via cctalk wrote:
> On premises has the exact same problem as tape. You must have a refresh
> plan. That’s the advantage of off prem, you don’t have to worry about
> refresh.
I don't exactly follow you. In the case of a specific example for NASA
and its
> On Jul 22, 2018, at 6:08 PM, Paul Koning wrote:
>
>> On Jul 22, 2018, at 4:06 PM, Zane Healy via cctalk
>> wrote:
>>
>>> ...
>>
>> I’ve failed to see any reason behind your questions. If you’re looking for
>> a long-term archival solution, look to cloud storage (either on-prem, or
>>
On 07/22/2018 05:46 PM, Warner Losh via cctalk wrote:
> Somewhat of a tangent, but this just popped up for me.
>
> https://www.theatlantic.com/technology/archive/2018/07/microfilm-lasts-half-a-millennium/565643/
I read through to the end of the article and can't quite see where the
500 year
> On Jul 22, 2018, at 4:06 PM, Zane Healy via cctalk
> wrote:
>
>> ...
>
> I’ve failed to see any reason behind your questions. If you’re looking for a
> long-term archival solution, look to cloud storage (either on-prem, or
> off-prem). Sure tape is cheap, but when you start looking at
On Sun, 22 Jul 2018, Warner Losh via cctalk wrote:
Somewhat of a tangent, but this just popped up for me.
https://www.theatlantic.com/technology/archive/2018/07/microfilm-lasts-half-a-millennium/565643/
and I thought of this thread. Apologies if it's a duplicate..
Iff deliberately processed
> On Jul 22, 2018, at 8:46 PM, Warner Losh via cctalk
> wrote:
>
> Somewhat of a tangent, but this just popped up for me.
>
> https://www.theatlantic.com/technology/archive/2018/07/microfilm-lasts-half-a-millennium/565643/
>
> and I thought of this thread. Apologies if it's a duplicate..
>
Somewhat of a tangent, but this just popped up for me.
https://www.theatlantic.com/technology/archive/2018/07/microfilm-lasts-half-a-millennium/565643/
and I thought of this thread. Apologies if it's a duplicate..
Warner
On Sun, Jul 22, 2018 at 6:13 PM, Charles Dickman via cctalk <
Below is a sampling of disks recorded between 2001 and 2009. It is
likely that the disks of the same type were from the same package
because I don't use many disks. They were stored without much care,
but in a spaces tolerable to humans for reasonable periods.
Imation CD-Rrecorded
> On Jul 22, 2018, at 11:06 AM, Carlo Pisani via cctalk
> wrote:
>
> thus DDS4, LTO2, DLT: which is the best tape?
I wouldn’t touch 4mm DAT tapes with a ten foot pole, if I can help it. I’ve
used them in the past, but only in special cases, OR more importantly when
forced to.
You can’t buy
thus DDS4, LTO2, DLT: which is the best tape?
2018-07-22 18:11 GMT+02:00 Jon Elson via cctalk :
> On 07/22/2018 10:52 AM, Chuck Guzis via cctalk wrote:
>>
>> On 07/22/2018 06:33 AM, Paul Koning via cctalk wrote:
>>>
>>>
On Jul 21, 2018, at 3:25 PM, Carlo Pisani via cctalk
wrote:
On 07/22/2018 10:52 AM, Chuck Guzis via cctalk wrote:
On 07/22/2018 06:33 AM, Paul Koning via cctalk wrote:
On Jul 21, 2018, at 3:25 PM, Carlo Pisani via cctalk
wrote:
...
and what about magnetic-tapes? (e.g. DDS4, DLT, LTO2)
which of them lasts for the most?
I don't know specifically.
On 07/22/2018 06:33 AM, Paul Koning via cctalk wrote:
>
>
>> On Jul 21, 2018, at 3:25 PM, Carlo Pisani via cctalk
>> wrote:
>>
>> ...
>> and what about magnetic-tapes? (e.g. DDS4, DLT, LTO2)
>>
>> which of them lasts for the most?
>
> I don't know specifically. I do know that plain old audio
> On Jul 21, 2018, at 3:25 PM, Carlo Pisani via cctalk
> wrote:
>
> ...
> and what about magnetic-tapes? (e.g. DDS4, DLT, LTO2)
>
> which of them lasts for the most?
I don't know specifically. I do know that plain old audio tapes may fail -- I
have perhaps 100 cassettes recorded in the
The last generation 5.25" 4.x GB MO drive was unreliable which is why they
never went bigger I think. I have a bunch of 5.25" drives from a few makers
and all work.
-Original Message-
From: Carlo Pisani via cctalk
Sent: Saturday, July 21, 2018 5:43 PM
To: Chuck Guzis ; General
On 07/21/2018 02:43 PM, Carlo Pisani wrote:
> thus, MO drive units are not reliable?
At least not the later PMC ones. I remember that my drive wasn't even 6
months old when it died. PMC's policy was to replace it with a
"refurbished" (read: used) replacement. That one barely lasted a month.
thus, MO drive units are not reliable?
2018-07-21 23:34 GMT+02:00 Chuck Guzis via cctalk :
> On 07/21/2018 02:12 PM, TeoZ via cctalk wrote:
>
>> I have old IBM MO Worm disks that are still readable, same with all my
>> MO disks (3.5" 130MB, 5.25" 1.3GB) but drives can be iffy. I would bet
>> that
On 07/21/2018 02:12 PM, TeoZ via cctalk wrote:
> I have old IBM MO Worm disks that are still readable, same with all my
> MO disks (3.5" 130MB, 5.25" 1.3GB) but drives can be iffy. I would bet
> that MO media will outlast us all while finding a drive to read them
> will be a problem.
I've got a
I had a home CDR back when they were over $1000+ new. The media turned out
to be very reliable (and I have a bunch with gold, blue, green dye) and it
still readable as long as you didn't scratch the optical reflective layer. I
also used a laser printed paper cover which probably kept air out. I
On Sat, 21 Jul 2018, Carlo Pisani via cctalk wrote:
what about MO? (magneto-optic disks)
- WORM (write once, read many)
- WMRM (write many, read many)
and what about magnetic-tapes? (e.g. DDS4, DLT, LTO2)
which of them lasts for the most?
MO units and disks are a bit costly
say >=50 euro for
what about MO? (magneto-optic disks)
- WORM (write once, read many)
- WMRM (write many, read many)
and what about magnetic-tapes? (e.g. DDS4, DLT, LTO2)
which of them lasts for the most?
MO units and disks are a bit costly
say >=50 euro for 4.5Gbyte R/W cartridge
and say >=500 euro for the
On Sat, 21 Jul 2018, Jim Manley via cctalk wrote:
The stability of the dyes is only part of the problem. Even mass-produced
read-only optical media (e.g., movie/video content DVDs) can become
unreadable over time
Hence the necessity of ANYDVD, or equivalent.
On Sat, 21 Jul 2018, Al Kossow via cctalk wrote:
The edge of the disk is SUPPOSED to be sealed. On cheap media, you see it
oozing, and the aluminum oxidizing from the edge inward. This was pointed
out to me already in the late 90's.
Fortunately, unlike most spinning rust disks, the default is
Longevity has always been an issue.
(and we already know that 8" floppies outlast 3.5")
Does anybody here have experience with "M-Disc"?
It is available up to 100GB BDXL!
Drives start at less than $100; media is prices vary - the 100GB starts at
about $20 each, but the low capacity versions
On 7/21/18 10:26 AM, Jim Manley via cctalk wrote:
> Even mass-produced
> read-only optical media (e.g., movie/video content DVDs) can become
> unreadable over time because the reflective layer (typically aluminum)
> under the data-encoded layer corrodes due to the chemistry of the dyes and
>
The stability of the dyes is only part of the problem. Even mass-produced
read-only optical media (e.g., movie/video content DVDs) can become
unreadable over time because the reflective layer (typically aluminum)
under the data-encoded layer corrodes due to the chemistry of the dyes and
encasing
On 07/21/2018 08:14 AM, Carlo Pisani via cctalk wrote:
> what is your experience?
Generally very good. But then, my valuable stuff on CD-R was done on
MAM-A (Mitsui) "gold" media. Some of it is 20+ years old. On the other
hand, no CD-RW disk that still have has survived.
My experience with
On Sat, Jul 21, 2018 at 05:14:00PM +0200, Carlo Pisani via cctalk wrote:
[...]
> They complained their data completely lost after 5 years of storage in CD
> ROMs, pointing out that their CDs were perfectly conserved and kept clean
> without scratches, but all the data is gone lost since the media
hi
yesterday I was shocked by a couple of videos on Youtube where guys
pointed out their negative experiences with CD ROM and DVD RAM as
media for their own backup.
They complained their data completely lost after 5 years of storage in
CD ROMs, pointing out that their CDs were perfectly conserved
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