What is better option?

Want to buy new IMAC
COnsidering 1TB Fusion OR
256 Flash storage + External thunderbolt 1TB
Used mostly in Audio intensivle projects

I use a 500GB internal HD 7200RPM MacbookPro.. want to switch to IMAc with drive specs I initially listed.
I use my current internal drive for EVERYTHING, so I only have 100GB left..
I use MAc mainly for audio recording and processing..
I just want to make sure that if I choose an external drive for my library of sounds that it will be fast enough fo rmy audio projects..?

Similar Messages

Which is a better option : VO on DB View or a VO with two EOs

I have 2 tables:
ITEMS_BASE and ITEMS_TL ( contains all translatable column of base table: ITEM_BASE).
What is better option for me:
1. TO create a DB View on top of ITEMS_BASE & ITEMS_TL and then create my VO on the DB View OR
2. Create 2 EOs on ITEMS_BASE and ITEMS_TL and create my VO on these 2 EOs.
Please also explain reason behind selection of your choice.
regards -Anuj

Jdev ver : 11.1.1.4
Use Case:
I want to display a rule message in the language as per users local. Only rule name & rule description is a translatable column so i have kept it into separate table.
Table design:
Table name : RULE_B
Columns : PlantCd, ModuleCd, IsRuleApplicable, Value
Example data : 101, safety, Y, 5
Table name : RULE_T
Columns : PlantCd, ModuleCd, RuleName, RuleDesc, Lang
Example data : 101, safety, 'Minimum Observation required', 'Total number of observation required per site', 'EN'
101, safety, 'garbage input', 'garbage input', 'gr'
So i have 2 choices here. either I should create 2 EOs on RULE_B and RULE_T and make my VO on these 2 EOs Or
create an updatable DB View comprising RULE_B and RULE_T and create my VO on the DB View.

What happened to Reunion? need better options for genealogists, please.

We need better options for genealogists, please. What happened to Reunion???

apologies for obtuse question. Reunion is apparently no longer available from App Store. Family Tree Maker is now available for MAC but is not getting good reviews. I have used both. FYM on PC and then switched to Reunion, because FTM was not available in 2008 when I got my Mac.
Now I note that Ancestry is in cahoots with FTM so am tempted to switch again but put off by the poor feedback.
I thought that Reunion was also available for Iphone but not FTM??

Back up options? Time Machine or Carbon Copy Cloner? What's Better?

Hey guys,
I'm considering performing a clean install of OS X Mavericks on my macbook pro mid 2010. I've been having a lot of lag issues with opening/switching programs and slow browser performance (Safari, Google Chrome, Firefox). I'm currently using Time Machine to back up my macbook pro, but I recently heard of Carbon Copy Cloner as a back up option from the Apple community forums. What do you guys think is a better option? When I do a clean install of Mavericks, which backup option will give me the safest and quickest file transfer?

TM is a system backup, not an archive or best idealized "all data backup"
Carbon Copy and Super Duper are for making system clones for quick recovery of your internal HD
NIETHER are close to "best" or idealized data-only backups or archives, theyre both system emergency backups / restores.
External NAS or HD data collections are for your expanding data archives and backups.
Methodology to protect your data. Backups vs. Archives. Long-term data protection
Data Storage Platforms; their Drawbacks & Advantages
#1. Time Machine / Time Capsule
Drawbacks:
1. Time Machine is not bootable, if your internal drive fails, you cannot access files or boot from TM directly from the dead computer.
2. Time machine is controlled by complex software, and while you can delve into the TM backup database for specific file(s) extraction, this is not ideal or desirable.
3. Time machine can and does have the potential for many error codes in which data corruption can occur and your important backup files may not be saved correctly, at all, or even damaged. This extra link of failure in placing software between your data and its recovery is a point of risk and failure. A HD clone is not subject to these errors.
4. Time machine mirrors your internal HD, in which cases of data corruption, this corruption can immediately spread to the backup as the two are linked. TM is perpetually connected (or often) to your computer, and corruption spread to corruption, without isolation, which TM lacks (usually), migrating errors or corruption is either automatic or extremely easy to unwittingly do.
5. Time Machine does not keep endless copies of changed or deleted data, and you are often not notified when it deletes them; likewise you may accidently delete files off your computer and this accident is mirrored on TM.
6. Restoring from TM is quite time intensive.
7. TM is a backup and not a data archive, and therefore by definition a low-level security of vital/important data.
8. TM working premise is a “black box” backup of OS, APPS, settings, and vital data that nearly 100% of users never verify until an emergency hits or their computers internal SSD or HD that is corrupt or dead and this is an extremely bad working premise on vital data.
9. Given that data created and stored is growing exponentially, the fact that TM operates as a “store-it-all” backup nexus makes TM inherently incapable to easily backup massive amounts of data, nor is doing so a good idea.
10. TM working premise is a backup of a users system and active working data, and NOT massive amounts of static data, yet most users never take this into consideration, making TM a high-risk locus of data “bloat”.
11. In the case of Time Capsule, wifi data storage is a less than ideal premise given possible wireless data corruption.
12. TM like all HD-based data is subject to ferromagnetic and mechanical failure.
13. *Level-1 security of your vital data.
Advantages:
1. TM is very easy to use either in automatic mode or in 1-click backups.
2. TM is a perfect novice level simplex backup single-layer security save against internal HD failure or corruption.
3. TM can easily provide a seamless no-gap policy of active data that is often not easily capable in HD clones or HD archives (only if the user is lazy is making data saves).
#2. HD archives
Drawbacks:
1. Like all HD-based data is subject to ferromagnetic and mechanical failure.
2. Unless the user ritually copies working active data to HD external archives, then there is a time-gap of potential missing data; as such users must be proactive in archiving data that is being worked on or recently saved or created.
Advantages:
1. Fills the gap left in a week or 2-week-old HD clone, as an example.
2. Simplex no-software data storage that is isolated and autonomous from the computer (in most cases).
3. HD archives are the best idealized storage source for storing huge and multi-terabytes of data.
4. Best-idealized 1st platform redundancy for data protection.
5. *Perfect primary tier and level-2 security of your vital data.
#3. HD clones (see below for full advantages / drawbacks)
Drawbacks:
1. HD clones can be incrementally updated to hourly or daily, however this is time consuming and HD clones are, often, a week or more old, in which case data between today and the most fresh HD clone can and would be lost (however this gap is filled by use of HD archives listed above or by a TM backup).
2. Like all HD-based data is subject to ferromagnetic and mechanical failure.
Advantages:
1. HD clones are the best, quickest way to get back to 100% full operation in mere seconds.
2. Once a HD clone is created, the creation software (Carbon Copy Cloner or SuperDuper) is no longer needed whatsoever, and unlike TM, which requires complex software for its operational transference of data, a HD clone is its own bootable entity.
3. HD clones are unconnected and isolated from recent corruption.
4. HD clones allow a “portable copy” of your computer that you can likewise connect to another same Mac and have all your APPS and data at hand, which is extremely useful.
5. Rather than, as many users do, thinking of a HD clone as a “complimentary backup” to the use of TM, a HD clone is superior to TM both in ease of returning to 100% quickly, and its autonomous nature; while each has its place, TM can and does fill the gap in, say, a 2 week old clone. As an analogy, the HD clone itself is the brick wall of protection, whereas TM can be thought of as the mortar, which will fill any cracks in data on a week, 2-week, or 1-month old HD clone.
6. Best-idealized 2nd platform redundancy for data protection, and 1st level for system restore of your computers internal HD. (Time machine being 2nd level for system restore of the computer’s internal HD).
7. *Level-2 security of your vital data.
HD cloning software options:
1. SuperDuper HD cloning software APP (free)
2. Carbon Copy Cloner APP (will copy the recovery partition as well)
3. Disk utility HD bootable clone.
#4. Online archives
Drawbacks:
1. Subject to server failure or due to non-payment of your hosting account, it can be suspended.
2. Subject, due to lack of security on your part, to being attacked and hacked/erased.
Advantages:
1. In case of house fire, etc. your data is safe.
2. In travels, and propagating files to friends and likewise, a mere link by email is all that is needed and no large media needs to be sent across the net.
3. Online archives are the perfect and best-idealized 3rd platform redundancy for data protection.
4. Supremely useful in data isolation from backups and local archives in being online and offsite for long-distance security in isolation.
5. *Level-1.5 security of your vital data.
#5. DVD professional archival media
Drawbacks:
1. DVD single-layer disks are limited to 4.7Gigabytes of data.
2. DVD media are, given rough handling, prone to scratches and light-degradation if not stored correctly.
Advantages:
1. Archival DVD professional blank media is rated for in excess of 100+ years.
2. DVD is not subject to mechanical breakdown.
3. DVD archival media is not subject to ferromagnetic degradation.
4. DVD archival media correctly sleeved and stored is currently a supreme storage method of archiving vital data.
5. DVD media is once written and therefore free of data corruption if the write is correct.
6. DVD media is the perfect ideal for “freezing” and isolating old copies of data for reference in case newer generations of data become corrupted and an older copy is needed to revert to.
7. Best-idealized 4th platform redundancy for data protection.
8. *Level-3 (highest) security of your vital data.
[*Level-4 data security under development as once-written metallic plates and synthetic sapphire and likewise ultra-long-term data storage]
#6. Cloud based storage
Drawbacks:
1. Cloud storage can only be quasi-possessed.
2. No genuine true security and privacy of data.
3. Should never be considered for vital data storage or especially long-term.
4. *Level-0 security of your vital data.
Advantages:
1. Quick, easy and cheap storage location for simplex files for transfer to keep on hand and yet off the computer.
2. Easy source for small-file data sharing.
#7. Network attached storage (NAS) and JBOD storage
Drawbacks:
1. Subject to RAID failure and mass data corruption.
2. Expensive to set up initially.
3. Can be slower than USB, especially over WiFi.
4. Mechanically identical to USB HD backup in failure potential, higher failure however due to RAID and proprietary NAS enclosure failure.
Advantages:
1. Multiple computer access.
2. Always on and available.
3. Often has extensive media and application server functionality.
4. Massive capacity (also its drawback) with multi-bay NAS, perfect for full system backups on a larger scale.
5. *Level-2 security of your vital data.
JBOD (just a bunch of disks / drives) storage
Identical to NAS in form factor except drives are not networked or in any RAID array, rather best thought of as a single USB feed to multiple independent drives in a single powered large enclosure. Generally meaning a non-RAID architecture.
Drawbacks:
1. Subject to HD failure but not RAID failure and mass data corruption.
Advantages:
1. Simplex multi-drive independent setup for mass data storage.
2. Very inexpensive dual purpose HD storage / access point.
3. *Level-2 security of your vital data.

I'm looking to supercharge my G4. What are my options?

Hi, I'm the proud owner of a Power Mac G4 FW800, the dual 1.42GHz one. I just had the power supply repaired, and it runs wonderfully, other than it's starting to show its age. I'd like to know what I can do to maximize performance.
Here are my slight problems:
- Slower than desired file transfers
- Extremely slow video rendering
- iWork '09 complains about Core Image not being supported
- Minecraft 1.5.2 not exactly playable (~4 FPS, at least 15 FPS desired)
I also have the full CS4 Design Premium suite, and I'd like to get better performance out of that.
My budget is around $200, what are my options? Thanks!

Here is a picture of my MDD with the ATA133 RAID0 PCI card and a SATA PCI card. For a high performance striped RAID, you want each drive on it's own cable, hardware RAIDs will only stripe together a pair of Masters and/or a pair of Slaves. The ATA133 RAID0 card is probably the fastest performance you can get in the MDD with compatibility going back to OS 9. Not sure if there exists a similar hardware RAID SATA card for MDDs. But even a single SATA PCI drive does pretty fast as well. The on-board built-in ATA66 and ATA100 IDE interfaces in the MDD are much slower than these PCI card options.
See how the pATA ribbon cables have to route over the video card and heat sink, very cluttered. The SATA cable is much easier to work with. Here I have two drives in the front bay and just one in the rear bay. There are two cooling fans stuck to the heat sink to blow into the fins, these nest within the drive bracket in the rear bay when closed.
I am planning to migrate my data to the SATA drive and put another one in the front bay, and remove the striped RAID PCI card and drives, leaving the rear bay empty.

My iMac's hard drive is almost full - what are my options?

My beloved iMac is running out of space inside
It says my hard drive has 232.57 GB, and that there's only 18.07 GB remaining. Eeek!
What are my options making more space on my hard drive? I know my biggest problem is iTunes, especially videos. My music library is taking up 6 MB, and videos 78 MB. I'm not tech-savvy in the slightest.
Somebody help? Thanks!

Using the external drive for more storage works fine. You can use Apple's method for formally changing location of the +iTunes Music+ (which also contains your iTunes videos). However, I use a different way that I like better, because you are not changing the iTunes settings (and you can easily undo it).
If iTunes is running, quit.
If you are using default settings, the +iTunes Music+ folder should be located at
<user home folder>/Music/iTunes/iTunes Music/
First copy this +iTunes Music+ folder to the external drive. Now, you have it in two locations. Change the name of the original folder from +iTunes Music+ to +iTunes Music old+ (or some other name). Make an alias (short cut) of the NEW +iTunes Music+ folder on the external drive. To do this (in case you are not familiar with using aliases) select the NEW +iTunes Music+ folder in a Finder window and
menu bar > File > Make Alias
or drag the folder while holding down Option-Command. You should see the curly arrow next to the icon indicating an alias will be created where you drop it.
Place the alias in the original location of the +iTunes Music+ folder (where you changed the name to +iTunes Music old+)
<user home folder>/Music/iTunes/
and name it exactly +iTunes Music+ (if you need to rename it). You are making the alias replace the original +iTunes Music+ folder, and have it point to your new +iTunes Music+ folder on the external drive.
When you run iTunes, it should be accessing your new +iTunes Music+ folder on the external, but you are able to keep iTunes using the default settings. To prove to yourself that the new +iTunes Music+ folder is being used, do something like rip a new CD or download a free song from the iTunes Store. Then check that the file ended up on the external drive. You can also do a +Get Info+ on any song or video (in iTunes) and verify that the file location is on the external drive.
(If something goes wrong, just get rid of the alias and rename +iTunes Music old+ back to +iTunes Music+.)
Once you are confident that all of your files are accessible and being accessed from the external drive, you can delete the old +iTunes Music+ folder on the internal drive.
Separate point...
You should also get another external drive that is at least as large as the filled space on your internal drive and your current external drive. Twice as large would actually be better. So if you have two 250GB drives that you plan to have at most 75% full, a 750GB external drive would be ideal. Then, you can use Time Machine to back up both your internal drive and external drive, to the new external drive. Getting an external drive with both FireWire and USB 2.0 would give you the most flexibility.

Better options than DAVE for Win NT connection?

I work for a small Mac design group in a large business environment. We store Quark, InDesign, Photoshop files on the companies Win NT Server. To do this they have installed DAVE because they said just using OS X's PC connect ability was causing the documents to be looked at as .exe or unrecognizable files by the Mac. Lately some files are giving I/O errors on the server and getting corrupted. Is there a better option for communicating with a PC server than DAVE?

For just using OS X, I've never heard of any problems like that; I'm wondering if they're just confused? Or are they using a fairly fancy, unusual setup of some sort? Has anyone tried just connecting with the standard Mac feature?; I would be curious to hear what breaks (since if something does break, it probably implies that someone either misconfigured the Macs or misconfigured the server).
For the files in question: Are you able to access these files from a Windows computer?; can you read them there? I'm wondering if the IO error was a network problem (that DAVE might have a connection to), or just that their server's hard disk is failing.

Buying New Phone but Contract can't yet what are my options???

Okay I dropped my phone in some water and had to find a replacement it is a razor but being it was given to me there are issues with it... The phone changes settings on its own and I can't access VM called Verizon and they can't help with changing it and the one that is in the phone is unknown. Talke with Verizon and then Tech Support and they did nothing and said they have no way to know what it is did a master reset and so on.
So here is my question being the contract the phone is under does not allow new phones till December and I can't extend the contract being it is a business phone what are my options? From what I learned buying just a phone from Verizon is a costly one, and if you buy one from an online source the two I got where prepay only and not able to be used on an existing contract.
If I take my replacement used phone to a Verizon Store can they get the Pin number out of? I know they are there to sell you a new phone and want you to extend your contract . The cost of a "NEW" Phone is in the hundereds of dollars when you get it for next to nothing when you sign a contract.
Is there any good place I can get a "New Phone and reactivate it as a replacement and know what the pins are being the one I have now though used Verizon can't not hop[ena dn since it turns off the ringer now and then I miss calls and get vms I can get.
Any suggestions or just go and buy a new phone whatever the best cost is and be done with this???
ANy information on what I can do seems that Verzion can only help so far via the phone and going to a store from what I have experienced and heard is requiring an contract extension and then you get a new phone for a better price. Which again I can not do.
Just looking for some good information on wat the options are???
MikeMich

Thanks, Looks like I am stuck with the current phone even though no one at Verizon can assist me in getting the pin for the vm feature. As for ebay I contacted 2 sellers that stated their phones were good to be used on Contract the first one I got I called attempted to activate it and they told me it could only be used as a "PrePaid" Phone. I had to return it and the seller want me to end the transaction as if his listing was valid even though it stated could be used on a existing contract. Being he was also in Michigan I got it within a few days but then had to return it. Seems many list their phones like this but when you contact them and ask they kind of side step it and the auction ends. This seller had good feedback maybe because some don't leave any because of the same issue. I looked at whast the phones are listed at an 300 + unless you sign an additional 2 years which I can't do being it is a company phone and paying twice is also not worth it using it as a prepaid phone for 6 months...
Looks like they got you anyway so I will just have to continue getting vms and no access and hope the phone lasts until they can get new ones...
Sad fact is there should be a better way to get a replacement phone. Since I don't know any Verizon Dealers when I had another carrier the guy was great he would do anything including rebuild a doa phone with parts he collected as people upgrade but at Verizon they just want you to "upgrade" and "extend" the contract Which I am not the admin person to make that decision
Guess you have to know someone and I don't...
Such is life these days...At least for me....
MikeMich

WHICH IS BETTER OPTION IN THE U.S. MARKET SAP CRM or SAP SD

HI I WISH TO DO A COURSE IN SAP I HAVE TO DECIDE BETWEEN 2 OPTIONS SHOULD I DO SAP SD or SAP CRM WHICH ONE IS A BETTER OPTION AS I AM AN M.B.A. IN MARKETING WITH NO I.T. OR TECH KNOWLEDGE AT ALL. SO WHAT CAN YOU RECCOMEND PLEASE REPLY IT WOULD BE APPRECIATED
THANKS

Hello Monty,
I m located in Mumbai, India.
Surely I would have helped in India.
As far as NY or NJ is concerned I don't know much.
Here in India we have SIEMENS or GENOVATE which provide SAP Cerification.
Search for some authorized training acadamey of SAP there, search on net........
Definitely U will succeed.
Reward me points, if this helps.
Anubhav
[email protected]

Which is the better option?

Hey, I'm looking at getting a new mac but I'm not sure what's the better option. My choice right now is between the base 21.5 inch iMac or the Mac mini ( $799 model), and my main use for it would be recording instruments, music production, and movies / netflix. The 21.5 inch Mac would only give me 8gb of ram, whereas the Mac mini I'd instantly be able to upgrade to 16gb. Another bonus to the mac mini is that I can hook it up to whatever screen I want including my TV for movies.Also, the firewire on the mac mini would be extremely useful as some of the higher quality recording interfaces use firewire. And from what I understand I can also add a SSD to the mac mini? For these reasons I'm leaning towards the Mac mini but I've been recommended by representatives at apple to get the iMac as it's more powerful supposedly, so I'm not sure which one would be better. I know the iMac has a dedicated graphics card vs the integrated hd 4000 on the Mac mini, but I'm not exactly sure how that affects me for what I plan on using the computer for. I'd have to buy a monitor and mouse + keyboard for the mac mini, so it ends up costing me the same as the base model iMac. Any suggestions/ opinions would be appreciated, thanks.

I would recommend getting the 16GB iMac. If money is an issue then consider using Apples refurbished store, there is no downside to buying from it as they sell current machine, the products have the same warranty as a new machine, and are eligible for AppleCare.
Because you did not compelete a profile we have no idea where on the planet you are located. To find the US refurb store click:
http://store.apple.com/us/browse/home/specialdeals

Hi. im ipad and ipohe user. now i want to buy my first macbook. i need to know what is better for me: macbook pro 13´´ or macbook air 13´´?? or another??

hi. im ipad and ipohe user. now i want to buy my first macbook. i need to know what is better for me: macbook pro 13´´ or macbook air 13´´?? or another??
i will not move it frecuently from home because i always have with me the iphone and sometimes the ipad.
im looking apple store online because im trying to buy it refubrished (im from argentina and travel to NYC next month)...
please i hear you...!

Light weight basic needs, power miser - MacBook Air (glossy screens)
Semi-light weight basic needs, more storage, DVD drive, hot machine (no 3D gaming) - 13" MacBook Pro (glossy screens)
Bit heavier, pro needs, 3D gaming, cool machine, power hungry, - 15" MacBook Pro (anti-glare screen option, recommended)
Same as above, larger screen for HD video, cool machine, power hungry, 17" MacBook Pro (anti-glare screen option, recommended)

What are my options for mirroring my ipad3 through a desktop pc (without wireless) to a data projector?

The desktop PC (Windows 7) does not have wireless. I have a VGA cable that I can plug directly to the data projector cable, however, I need the mirroring to go through the PC (because I am recording using desktop recording software).
I'm using Air Sketch for drawings in lectures and other various apps. What are my options to make this happen?
Cheers.

Of the two, go for AirServer. Some 1-2 weeks ago, I've very thoroughly benchmarked the two apps (also posted the results here) and found out that AirServer is clearly better in every respect.
PogoPossum wrote:
I haven't used either myself, but check out AirServer and Reflection.

What is better for flowmeter totalization

What is better for flowmeter totalization, a pulsetrain or current loop? I have the option of using a pulsetrain or a 4-20mA loop. Would I have to integrate if the current loop is chosen?

If you use flowmeters with switch-type sensing (flips over when a given fluid chamber is full), your input signal is digital: a pulse.
It is most obvious to use a counter (available on many DAQ-cards) to totalise the amount of pulses.
Integration of analog signals (like 4-20mA) may give trouble due to drift (non-zero inputs).
Patrick de Boevere

I am making multiple DVD's of roughly 50 hours of footage on DVD Studio pro with 4 separate menus for 4 different 'parts' or series if you will. 50 hours - 20 episodes - 4 parts of 5 episodes each. What are my options in terms of burning these parts on to

I am making multiple DVD's of roughly 50 hours of footage on DVD Studio pro with 4 separate menus for 4 different 'parts' or series if you will. 50 hours - 20 episodes - 4 parts of 5 episodes each. What are my options in terms of burning these parts on to separate DVD's, what is the process, what size DVD RW should I buy, what bitrate should I use, and what quality I should expect for the burn. Any advice or insight is welcome.

>>What are my options in terms of burning these parts on to separate DVD's<<
20 episodes totaling 50 hours equals about 2.5 hours per episode assuming all episodes have the same duration. Fitting 2.5 hours onto one single layer DVD would require a low bit rate which means quality wouldn't be anywhere near best, but that's a judgement call you'll have to make based on several factors. For example; if there is not much motion in the video (talking heads, etc), you can get by with a lower bit rate and may not notice any quality difference.
>>what is the process>>
The process is essentially the same as it is when authoring a regular DVD with 2 hours or less of content. However, with as many discs as you'd need to complete this "set," you'll need to create a separate DVD Studio Project for each disc. Basically, you'd use one of Compressor's DVD Presets (or customize a preset) to create an MPEG--2 video file (.m2v) and a Dolby Digital audio file (.AC3). Import both of those assets into your DVD Studio Pro project for authoring and burning.
If you want to keep one episode per disc, DVD Studio Pro does have a 150 minute preset or you could use dual-layer discs with a higher bit rate for better quality. Again; your call.
>>what size DVD RW should I buy<<
Size? 12cm. Capacity? Single layer, single sided DVD discs (DVD-5) have a rated capacity of 4.7Gb (4.37Gb actual), including menus. If you use single layer discs and want to keep the quality reasonably good, you'd need at least 50 discs to complete this "set" with each disc holding roughly 2 hours of footage if you keep the menu on each disc simple. Or, you could use dual-layer discs (DVD-9) which have a capacity of about 7.95Gb - almost doubling the recordable capacity. There are also dual-sided, dual-layer discs available (DVD-18) but they are relatively expensive and have to be manually turned over to continue playback ... but they do have roughly 15.9Gb capacity.
>>what bitrate should I use, and what quality I should expect for the burn<<
Exactly; the quality is dependent on the bit rate chosen, as well as the quality of the compression. Using compression markers where needed can greatly increase the quality of playback but will most likely increase the file size of the compressed video. For the best quality, keeping the bit rate as high as possible allowed under the DVD specification will yield the best quality but some DVD players may choke if the bit rate is too high. For best quality I typically aim for a bit rate around 7.6 to 8.0Mbps but that will only allow about one hour of footage.
Naturally, if you decrease the bit rate, you can fit more footage onto the disc but quality will be sacraficed.   Here's a chart approximating DVD bit rates and durations for single layer discs (does not include space for menus):
3.5Mbps - 120 minutes
5.0Mbps -   95 minutes
6.0Mbps -   82 minutes
7.6Mbps -   65 minutes
8.0Mbps -   60 minutes
-DH

RAID almost full, what are my options

Hi we have a xserve RAID 5.6TB with 14 x 400Gb drives, set up as RAID 50.
We are now getting to the stage where the RAID is getting quite full and need to start planning how we deal with this with the minimum disruption and cost, what are our options?

The short answer is "you can't" and the longer answer is "maybe you can but you shouldn't".
If you did find another Xserve RAID with 400GB drives in it you maybe could create a giant RAID 0 from the underlying RAIDs but the potential for data loss with some many moving parts underneath would make it IMHO unacceptable. And even if you did get that to work you would need to restripe the new RAID and wouldn't be able to just "expand" the current one.
As usual William is right. Your best option is to buy a larger capacity box like a Promise RAID and migrate your current data to it. The next best option would be to see if you can find 16 Xserve RAID compatible 750GB PATA drives and replace your 400s. But this would require backing everything off and then restoring the data AND those drives are getting very hard to find.
Sorry the news isn't better but mixing too many or mismatched (in terms of speed and/or size) parts into a single volume is bad idea AND without a fancy filesystem designed to expand endlessly it's hard to keep the same volume going perpetually. As a performance issue you really do want to limit how many simultaneous writes you're doing on a single journaled HFS volume. Since every change needs to get written to the journal if there are too many changes the journal can become a performance choke point. While this is more a function of use and number of users a single 9TB+ volume would hold the potential for this kind of conflict.
My $.02,
=Tod

What is better option?

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