C100 dual slot recording, anyone have issues?
 

been trying out the dual slot recording, and seem to have issues. after several minutes 1 card will drop out, but the other will keep going. tried to narrow it down to a card issue, but can't decifer any consistent conclusion. i think it might be occurring at the 12 minute marker where it creates a new file, and maybe that's where it hiccups. could be a firmware issue. anyone got a c100/300 with two cards to try this out with? if you make it to 15 minutes then must be on my end.

re: C100 dual slot recording, anyone have issues?
 

I've yet to try the dual cards but I can try it out later tonight when I get home. If I remember correctly there is a setting in the menu that you have to change in order to record to both cards simultaneously.

Also, what speed/class cards are you using?

re: C100 dual slot recording, anyone have issues?
 

Please name the cards you're using Darren -- specifics, please!

Memory card choice makes a *big* difference...

re: C100 dual slot recording, anyone have issues?
 

righty right...

SanDisk Ultra 32 GB microSDHC Class 10 UHS-1 Memory Card 30MB/s with Adapter SDSDQUA-032G-U46A

they have a minimum write speed of 10mbytes/sec, plenty of overhead for 24mbit/sec

i''ve yet to have a single issue recording to one card for any length of time, just the two cards at once, and i Think at that new file marker

re: C100 dual slot recording, anyone have issues?
 

Which camera are you using, Darren? C300 or C100?

I suppose I should implement thread prefixes in this forum so that the camera model can be designated in the thread title... I see you list the C100 in your sig, but it would be a mistake to assume that's what you're using this particular time (for example, it could be a client's camera or a rental). I would avoid microSD, if I were you... it's really best to use proper full-size SDHC or SDXC cards. Canon USA recommends certain cards, I'll see if I can dig up that list.

re: C100 dual slot recording, anyone have issues?
 

C100, and while i'd have to agree with you on using regular SD cards, it still might be a firmware issue with dual slot recording, seeing as i've not had any issues recording to these cards in single slot mode.

i just dug up 2 regular sd cards which i'll try out as well

Re: C100 dual slot recording, anyone have issues?
 

Thread title edited to add "C100"

Re: C100 dual slot recording, anyone have issues?
 

A little bit off topic but Darren thanks for the video on the $7 Hard Drive cases I was browsing through Vimeo and stumbled upon your video LOL.

paul joy
 

Currently sitting in Amsterdam airport after shooting with the C100 and C300 today and exactly the same thing happened with my C100, set double slot recording, looked down part way throug and only one card was lit red, the other was green and the LCD showed remaining time for the active card yet the card that dropped out just showed ---.

I was really nervous that other one was going to crap out too but it lasted okay. Same cards as you, Sandisk 32GB Ultra.

Paul

Re: C100 dual slot recording, anyone have issues?
 

paul, are you using regular sandisk SDs or micro SD with the SD adapter?

and yes to alleviate your concern, in my tests i've let one slot die and the other records on for any length of time no problem, and if you do the recovery for the other card it seem to bring the file back OK.
runnin a test now to see if it's crapping out at the file switchover mark

Re: C100 dual slot recording, anyone have issues?
 

I'm using regular SD cards. I just carried on using one card, I didn't try to recover the bad one. I did have a strange issue last night when I did a full initialisation of the cards in camera. The A card initialised fine but the B card threw up an error, ejecting it and reinserting resolved it. Interestingly it was the A card that failed today otherwise I'd assume a bad card.

Re: C100 dual slot recording, anyone have issues?
 

well paul your experience and the fact that mine hasn't hiccuped yet with a pny 16gb and sandisk 32gb, certainly makes this an odd situation....

and on your prior note, one of the first things i suspected was one of my cards to be faulty, so i re initialized both, and switched the slots they were in, in the next test the supposedly good card was the one to cut out. i think it has to do with which slot was selected last.

19 minutes and still going now...

certainly could be a brand issue, maybe matching cards or matching sandisks has a glitch which needs firmware attention.

Re: C100 dual slot recording, anyone have issues?
 

47 min, no issues. odd. i'm leaning more towards matching cards somehow causing the issue.

To lend to this theory, if you record for even just a few seconds on one card before going ahead with dual card recording, seems to solve the issue, though i need to try that once more..

oh well, im off to costco.

Re: C100 dual slot recording, anyone have issues?
 

Chris, I think this prefixing will be essential to avoid confusion. Good idea and one I've seen work well elsewhere.

Re: C100 dual slot recording, anyone have issues?
 

another quirk question for any c100/300 owners: is your evf glass loose? as in if you shake the camera even lightly, you hear it rattling around?

Re: C100 - EVF Rattles
 

@ Darren.

Just tried this. Took the C100 and gave it a really good shake - Yes my EVF glass seems to rattle too!

Even if you hold the dioptre slider it will still rattle - and it certainly seems that its the EVF area where the noise is coming from (and sliding the dioptre to either extreme has no effect on eliminating the rattle).

Can't imagine this will be any kind of problem in normal shooting though as I'm not going to be handling the camera with such sudden/extreme moves!

Seems Canon have a knack of this kind of "feature rattling". I recall reading that the XF100s (I think - may have the wrong model) had rattles too, in that case I think it was the XLR latches.

I suggest this thread now returns to the Dual Slot Recording discussion.

Re: C100 dual slot recording, anyone have issues?
 

Two 16 GB Transcend cards (known good, 8-9 write/erase cycles), Recorded on and off using the dual card mode for the duration of a battery. Rinse, repeat.

No problems so far...

Re: C100 dual slot recording, anyone have issues?
 

I ran some tests last night using the same two Sandisk Ultra cards. Full initialised them both and started a dual record and one of the cards stopped recording 4 minutes in. Re-initialised and then both ran until I got bored, (over 30 mins).

Once again it was the A card that stopped, I'll swap cards and see if it produces different results.

Re: C100 dual slot recording, anyone have issues?
 

Been testing for an hour or so this evening, I'm getting constant drop outs, usually within the first four minutes of recording. The card that drops out is not consistent, sometimes A sometimes B, it seems random.

Installed a pair of Kingston 32GB Class 4 SD cards and couldn't replicate the issue at all, going back to the Class 10 Sandisks caused a drop out in the first 2 minutes.

It does feel as though these Sandisk Ultra cards are not good with the C100, I've emailed Sandisk to see if they can be of any help.

Re: C100 dual slot recording, anyone have issues?
 

2X: 64GB SDXC Memory Card Extreme Pro Class 10

No problem so far. About 100 or so records. All double-slot. 3 full double erase/initialize.

Re: C100 dual slot recording, anyone have issues?
 

yea does seems like sandisks are the issue. my sync theory proved incorrect as well, so just seems a general glitch. hopefully can be firmwared out

Re: C100 dual slot recording, anyone have issues?
 

OK, finally found time to test this out on my own C100/Sandisk card combination.

I have Four identical 16GB Sandisk Extreme 45MBps rated class 10 and they also have a '1 inside a U' on them. All 4 SDHCs were bought direct from Amazon (not a marketplace seller) for reasons we all understand. The product link is here:



So far I'm about 30 minutes into testing the first pair of my Sandisk Extremes with the C100 Dual Slot Recording mode enabled - and so sign of any glitches at all so far....

I'll test the other pair later. I'll report back if I get any issues.

In case you were wondering, the cam is pointing at our Xmas tree - with its lights flashing to make it seasonal/interesting ;-)

Re: C100 dual slot recording, anyone have issues?
 

It would be tempting to think that your faster 45 MB/s cards are whats making the difference over the slower 30 MB/s ultras but my two year old class 4 Kingstons work perfectly as well so I doubt it's the write speed thats that problem.

Re: C100 dual slot recording, anyone have issues?
 

paul out of curiosity what are the last 3 digits of your SN? mine are 107

Re: C100 dual slot recording, anyone have issues?
 

I can't use Ultra cards on my mkIII. I imagine they're too slow for the C100 doing this complex of a function. Why Ultra's? I just bought Extreme's for like $30?
Bill

Re: C100 dual slot recording, anyone have issues?
 

The retailer didn't have any extreme versions when I picked mine up but the specifications of the Ultra outweigh those required by the C100 anyway. The C100 specifies a minimum of Class 4 and as I've already written mine has worked fine with my Class 4 Kingston cards. The Ultra's should be within spec.

Darren, I'll have a look tomorrow and get the SN's

Re: C100 dual slot recording, anyone have issues?
 

The C300 uses the compact flash recording & CODEC transplanted from the XFnnn cameras likewise the C100 uses the SD recording & CODEC transplanted from the XA10. There is a short list of Canon blessed CF cards for the C300 & XFnnn & there is also a statement regarding which cards should be used in the XA10 (& by extension the C100). Basically any SD card n the market should be adequate from Class 4 upwards http://www.canon.co.uk/Support/Consu...age=1&type=faq

Re: C100 dual slot recording, anyone have issues?
 

Sorry to resurrect a dead thread. Has anyone found a solution to this or figured out when and why it happens?

We've been having the same issue with our Kingston Ultimate cards (90mbs read, 45mbs write).

In slot A we have a 64GB card and in slot B we use 16GB cards which we swap out throughout the day. On 2 different cameras now we've had the 64GB card crap out during dual slot recording with just --- on the display.

No such problem so far with the 16GB cards.

Re: C100 dual slot recording, anyone have issues?
 

I have been using dual shot record with 2 x 32GB Sandisk Extreme cards for a good 6-9 months and before that with 2 x 16GB Sandisk Extreme cards and have never (touch wood) had an issue. I have multiple cards of each type but I will say that I have always "paired up", so if a 32GB card is in slot A then I make sure a totally identical card is in slot B.

Not exactly scientific proof of a solution but thought it worth mentioning.

Re: C100 dual slot recording, anyone have issues?
 

I had a card crap out on me yesterday. Turned off, removed on, shake it, whisper a little prayer. Nothing, just said to check card.

Put it in the computer and it reads fine. Put it back in today and it recovered one clip and now seems to be working without a format.

Re: C100 dual slot recording, anyone have issues?
 

You should throw that card away. Not necessarily because it's likely to fail again but if ever some time in the future it did fail again then you would be kicking yourself that you didn't throw it away when it crapped out the first time. SD cards are cheap enough now.

Re: C100 dual slot recording, anyone have issues?
 

Ditto, except mine are all 32GB and 64GB Transcend Class 10 and I run in dual card mode 100% of the time.

I've yet to see a problem.

Re: C100 dual slot recording, anyone have issues?
 

After much testing it appears to be a faulty card. We have 2 64gb cards from the same batch. One failed weeks ago and the card totally died. This one just seems to drop out when recording gets to 1hr+. You can often continue but it needs to recover the clip.

Ran it to death in all our cameras and each time crapped out at 1hr+. Stuck it in dual mode with the new 64gb we have and again, crapped out.

Thank goodness these things have a lifetime warranty. Another replacement me thinks.

Re: C100 dual slot recording, anyone have issues?
 

I am having odd issues with what I hope is a bad SD card. Shooting with 2 64GB Sandisk Ultra cards in dual mode. I have had my c100 for over 2 years and never even shot in single mode before. Anyway, I was shooting an event on Saturday and 1 hour into it a message pops up and says "recording stopped". In fact it had stopped and pressing record would not work. I noticed slot A was blinking red. I realized something was wrong but I needed to continue filming....which is exactly why dual card recording is so valuable. But it would not allow me to record. I rebooted and still no worky. I went into settings and switched back to single card record mode and still no worky. Finally I removed the card from slot B and put it in slow A and it started recording and I was able to finish the event.

Any thoughts on this? I realize I might have had a bad card but shouldn't my camera have been able to continue using the 1 good card that was left? Isn't that the reason for the redundancy? If a card fails or gets corrupt you can keep going? Or I am missing something. I just want to be sure that this is normal if one of the cards fails.

Thanks in advance and sorry to kick such an old thread to the top of the list. But that's what using the search function does. :)