Freeze on HP Pavilion a6551nl with Seagate Barracuda harddisks

I have a HP Pavilion a6551nl. I have a problem with 2 Seagate Barracuda harddisks causing the system to freeze without any error message. First with 1 harddisk (1,5 TB). Because I thought the harddisk was bad a purchased a new harddisk, also a Seagate Barracuda (3 TB) but encountered the same problem. Running the HP diagnostics both disks gave an error BIOHD-8. Other disks I have are OK (Samsung and WD).
On the HP support page for my PC I found a tool that would fix issues with Seagate SATA drives: http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=pv-64493-1&cc=nl&dlc=nl&lc=nl&...=. However this tool supports only Windows Vista and not my Windows 7. Is there a tool or solution for Windows 7?

Hi,
Review this posted HP article on Seagate hard drives. You can create a bootable CD.
This entire thread is about Seagate hard drive issues.
Be sure to backup your system and data before using the update.
Try using the bootable CD. If you have more than one Seaate hard drive, then unplug the other drive and then try updating just one drive. Then use the same process on the other drive.
HP DV9700, t9300, Nvidia 8600, 4GB, Crucial C300 128GB SSD
HP Photosmart Premium C309G, HP Photosmart 6520
HP Touchpad, HP Chromebook 11
Custom i7-4770k,Z-87, 8GB, Vertex 3 SSD, Samsung EVO SSD, Corsair HX650,GTX 760
Custom i7-4790k,Z-97, 16GB, Vertex 3 SSD, Plextor M.2 SSD, Samsung EVO SSD, Corsair HX650, GTX 660TI
Windows 7/8 UEFI/Legacy mode, MBR/GPT

Similar Messages

Seagate Barracuda problem on Pavilion a6551nl with Windows 7

My PC reports a hard drive failure warning at boot up on my two Seagate Barracuda hard drives. I found that HP has a tool to solve this at http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=pv-64493-1&cc=nl&dlc=nl&lc=nl&...=. Unfortunately the tool does not support Windows 7, also not when running the tool in compatibility mode.
Is there a solution for this problem? Is this is a non OS dependant BIOS update or an OS patch?
Regards,
Dirk

I would recommend using the following document to troubleshoot your issue:
Hard Drive Failure Errors
Either the hard drive is going bad or their are issues with the hard drive.
That document will help you test the hard drive and see what is causing the issue that you are having. If the hard drive is going bad, it also includes steps on how to back up the hard drive and recover it if you need to.
-------------How do I give Kudos? | How do I mark a post as Solved? --------------------------------------------------------

Mac Pro (First Generation) problem with 1TB Seagate Barracuda

Hi Macianer,
I have a first generation Mac Pro which was sold with max. 750GB Hard drives for each bay. At this time I am grabbing for straws and maybe someone has any info on this problem.
I purchased 4 x 1TB Seagate Barracuda hard drives ( Model: ST31000340AS / Firmware: SD15 ), did a regular format after I purchased them ( GUID Partition Table, Journaled HFS+ File System). I am using 2 of them internally (they get quite hot and i didn't want to put all 4 of them in there) and two of them externally (backup purposes). The other two internal bays are covered by 2x 500GB Barracuda drives.
I put all four 1 TB hard drived through a 1 week stress test to make sure I am not dealing with bad apples. So far this practice served me well.
Now 2 weeks later one completely crashed (internal boot drive). It sounded to spin up alright but was not accessible at all. I went to BestBuy and GeekSquad said this drive is crashed and I returned it.
Since I had a backup I didn't worry too much. I put the back up hard drive in as the new boot drive (since it was a SuperDuper duplicat) it worked like a charm. Now the second hard drive starts temporarily freezing the system for 2-4 minutes and seems to get stuck showing the great colored ball of doom. After the freeze it continues to operate normal again and I am able to continue my work.
I ran the Disk Utility and I got the following message:
INVALID KEY LENGTH
VOLUME CHECK FAILED.
ERROR: FILESYSTEM VERIFY OR REPAIR FAILED.
It just seems weird, I never had problems with hard drives and now I get these problems with 3-4 week old hard drives.
I was in a chat with seagate support. First question to trouble shoot: Do you have access to a PC. My answer was no since Microsoft Vista I donated all of them to the Salvation Army. He asked if I formatted the hard drives low level and MBR with HFS+. I said since I do not have access to PC nor do I plan on using my hard drives for PC I formatted it regular with GUID and HFS+. I asked if there is any history of these drives that would help explain my experience. I was hoping for a recall or something of that sort or something that a firmware upgrade would remedy.
I guess my question is, is the first generation Mac Pro, even though it seems to format and run them fine, not able to handle 1TB hard drives on a daily basis. Or am I dealing with hard drive problems? The Seagate guy didn't seem to be of any help.
Any help is appreciated or even pointers that would help me in finding the problem.
Cheers,
PixelGrinch
Message was edited by: PixelGrinch

Excellent questions, I too am looking at SSD.
Some things I know about SSD:
1. Intel recently released new firmware for their SSD drives to improve long term performance including Trim/Garbage collection.
2. SSD drives can be setup as SLC or MLC - SLC is faster read 2X, write 4X over MLC, however SLC is smaller capacity. SLC also has a longer life span.
3. Intel plans to have an 320GB X25-M (MLC) and a 128GB X25-E (SLC) out soon.
OSX does not fully support Trim and I'm not aware of any 3rd party software for OSX that helps in the garbage collection area. Diskeeper 2010 for Windows 7 provides full support for all variants of SSD, but nothing on the Mac side.
I'm probably going to wait for 2010 to see what comes out, SSD appears to be good news, but it still also seems to have issues. Given the cost of these drivers and the frequent firmware updates, a wait and see is my choice.
I've thought about going with a SAS RAID controller and 15K RAID drivers, but the cost/performance ratio comes out about the same and the 15K drives are noisey and power hungry but they're a "known" entity.
Rob

Help with opening up a Seagate Barracuda SATA Internal HardDrive on my Macbook Pro!

Hi Everyone!
I have two questions that I would really love someone to
help me out with!!
I really need help trying to open three Seagate Barracuda SATA Internal HardDrive that I was given to edit
dailies for a feature film! I tried all three and only one worked - however, didn't opened but wanted me to intialize
it and reformat it so it can be discovered and opened. But all three contain video and audio files within them, so I cannot
reformat these drives!
And with the other two, apparently they can be opened on a PC but I have to edit my dailies
on Final Cut 7 - and from what I know, Final Cut Pro is not avaiable for PCs!!
If there is anyone that can answer these two question, please respond soon!!
Thanks!

I suspect those HDDs are NFTS formats. Paragon may be the answer for you then:
http://www.paragon-software.com/home/ntfs-mac/
Regarding Final Cut, I suggest you post that part of your query on the Final Cut forum where you will have the best chances for an accurate solution.
Ciao.

Seagate Barracuda ES ST3750640NS 750 GB - slow random access in MacPro

I installed four Seagate Barracuda ES ST3750640NS 750 GB disks in my MacPro (5GB RAM). They are mounted as two RAID-1 arrays (mirrored, no speed up).
It seems that also those (not just the non-ES, …AS version) suffers from slow speeds (<1MB) in random access with small blocks. How much this is representative of typical access with Mac OS X I cannot tell, but still this looks like some kind of incompatibility of the drives' firmware with a MacPro.
Does anyone have experience on how to correct that?
Xbench 1.3 results:
Disk Test 35.16
Sequential 93.74
Uncached Write 83.37 51.19 MB/sec [4K blocks]
Uncached Write 120.10 67.95 MB/sec [256K blocks]
Uncached Read 73.82 21.60 MB/sec [4K blocks]
Uncached Read 113.60 57.09 MB/sec [256K blocks]
Random 21.64
Uncached Write 6.46 0.68 MB/sec [4K blocks]
Uncached Write 88.67 28.39 MB/sec [256K blocks]
Uncached Read 85.41 0.61 MB/sec [4K blocks]
Uncached Read 140.90 26.14 MB/sec [256K blocks]
12" PB G4/1.2GHz- Mac Book Pro 17" - 12" iB G3/500 MHz - Mac mini G4 as server Mac OS X (10.4.8)

All of the Seagate 7200.10 model hard drives have slow Random Read performance. None of the different model numbers change this fact. There is no fix for this and you will probably only notice this issue when opening a large library with Aperture or some other application that depends on a large number of small files to read.
The Randowm write performance of the Seagate 7200.10 models is actually very good. In addition, the large block copy capabilities of the 7200.10 models is exceptional.
Xbench tests make the Seagate 7200.10 model performance look much worse than it actually is.

Cloning WinXP onto Seagate Barracuda 7200.10 SATA hard disk

Greetings everybody!
I recently wanted to clone my existing (perfectly working) Windows XP Home boot hard disk onto a brand new 320 GB Seagate Barracuda 7200.10 SATA drive, model ST3320620AS. The existing boot C-disk is a 250 GB Western Digital SATA, which is in my Fujitsu Siemens Scaleo P (the CPU being an AMD Athlon 64 3700+). The motherboard is an ASUS A8NE-FM with the SATA interface being a NVIDIA nForce4 Serial ATA Controller.
I struggled quite a bit getting the cloned Seagate SATA disk to work as a Windows XP boot drive, but eventually got it working – using Acronis True Image Home version 9, build 3.854 (http://www.acronis.com/). Here’s how I eventually succeeded; hope it may be useful to others! ( - and I of course realize that ASUS motherboards are not made by MSI, but at the same time I have seen several MSI-users reporting similar difficulties…).
A small hint: You may download, at no cost, a full-functioning version of “Acronis True Image 10 Home”, usable for a 15 days trial period (http://www.acronis.com/homecomputing/download/trueimage/). If you can manage to clone your hard disk within this period, well, it’ll be completely free! A free Windows XP clone utility, which I don’t know how well functions, is XXclone, see http://xxclone.com/.
Here’s how I did (there may be other ways, but, well, this worked for me):
1) First mounted the Seagate ST3320620AS as the D-drive (the C-drive being the Western Digital boot drive). Kept Seagate factory-default jumper setting (“Limit data transfer rate to 1.5 Gbits per second “). Booted up, went into the BIOS (being Nvidia 42302e31 Phoenix AwardBIOS v6.00PG according to ”System Info for Windows” from http://www.gtopala.com/ ), and configured the Seagate drive as follows: Second Master SATA HDD, Extended IDE Drive: Auto, Access Mode: Large (NB: Do NOT select ”Auto” here!!), Capacity: 320 GB, Cylinder: 4095, Head: 240, Precomp: 0, Landing Zone: 65534, Sector: 255. Save configuration and exit BIOS.
2) Booted up on the old Western Digital C-drive. Used Seagate’s DiscWizard to format and partition the ST3320620AS (http://www.seagate.com/www/en-us/support/downloads/discwizard). The drive was formatted NTFS (4k block size, and one single partition). This went smooth (Windows XP however complained of some of the Seagate drivers not being ”WHQL certified” – just continued, anyway). Then right-clicked on ”My Computer" --> "Manage" --> ”Computer Management” --> ”Disk Management”. Right-clicked on the Seagate disk, then clicked ”Mark Partition as Active”. The Seagate drive is now seen in Windows as drive D, and is ready for use.
3) Ran Acronis True Image Home ver. 9, build 3.854 and cloned the Western Digital disk onto the Seagate. This went smooth and took less than five minutes (data amount on the Western Digital C-drive, containing Windows XP Home, \Program Files, \Documents and Settings and not much else, being approx. 10 GB). Impressing fast cloning! Exit and shut-down.
4) Removed the Western Digital drive from the PC, keeping only the new Seagate disk. Booted, went into BIOS, configured the boot drive as the Seagate: First or Second Master SATA HDD (according to what SATA cable is being used), Extended IDE Drive: Auto, Access Mode: Large (NB: Do NOT select ”Auto” here!!), Capacity: 320 GB, Cylinder: 4095, Head: 240, Precomp: 0, Landing Zone: 65534, Sector: 255. Save and exit BIOS.
5) Booted into Windows XP Home on the newly cloned Seagate SATA drive. Success!! End of story!
THANKS to several of ASUS forum users help!
Best regards,
Johan
Copenhagen
Denmark
NOTE the there seems to be an error in some of the ASUS motherboards (or in the BIOS?), incl. the A8NE-FM, which makes it impossible to boot from an apparently successfully Windows XP cloned Seagate SATA drive unless first having set the ”Access Mode” in the BIOS to ”Large” before formatting and cloning. Some also claim that NCQ for the Seagate drive must be disabled; I have not done this and the cloned drive boots and works perfectly with NCQ enabled. (NB: If not setting ”Access Mode” to ”Large”, but if keeping the default BIOS setting of ”Auto”, then it is perfectly possible to both format, partition, set active and clone onto the drive. When attempting to boot using the cloned drive one gets this message: ”Error loading operating system” (or in Danish: ”Fejl ved indlæsning af operativsystem”). Further links discussing this issue:
SATA boot problem: http://vip.asus.com/forum/view.aspx?id=20060822025446574&board_id=1&model=A8N-E&page=1&SLanguage=en-us
Cannot boot from SATA drive: http://vip.asus.com/forum/view.aspx?id=20061109224813953&board_id=1&model=A8N-E&page=1&SLanguage=en-us
Problem with installing XP on 320 GB HDD: http://vip.asus.com/forum/view.aspx?id=20060622193708298&board_id=1&model=A8N-E&page=1&SLanguage=en-us
Seagate SATAII disk unable to boot: http://vip.asus.com/forum/view.aspx?id=20060518000042851&board_id=1&model=A8N-E&page=1&SLanguage=en-us
A8N-E, SATA and XP Professional Installation: http://vip.asus.com/forum/view.aspx?id=20060327192440824&board_id=1&model=A8N-E&page=1&SLanguage=en-us

"NOTE the there seems to be an error in some of the ASUS motherboards (or in the BIOS?), incl. the A8NE-FM, which makes it impossible to boot from an apparently successfully Windows XP cloned Seagate SATA drive unless first having set the ”Access Mode” in the BIOS to ”Large” before formatting and cloning. Some also claim that NCQ for the Seagate drive must be disabled; I have not done this and the cloned drive boots and works perfectly with NCQ enabled. (NB: If not setting ”Access Mode” to ”Large”, but if keeping the default BIOS setting of ”Auto”, then it is perfectly possible to both format, partition, set active and clone onto the drive. When attempting to boot using the cloned drive one gets this message: ”Error loading operating system” (or in Danish: ”Fejl ved indlæsning af operativsystem”). Further links discussing this issue:"
that links are useless(for MSI owners), its described bug into BIOS which cannot determinate property HDD access mode. its specified problem related to this Asus board and specific BIOS version. exactly same problem happend and arrive with Gigabyte board after update BIOS to the latest one which suppose to fix "some things" and totally unexpected in background comes this issue..... seems some of Asus BIOSes got same issue...
MSI boards doesn't have this issue in any BIOS version.

Which 1 TB Seagate Barracuda is best for video editing?

Hi,
I'm about to buy a 1 TB drive for my Mac Pro to increase storage space for video files and not sure which one would suit me best out of the:
Seagate BarracudaNL NL35 Hard drive 1 TB Internal 3.5" SATA300 7200 rpm buffer 32 MB
or
Seagate Barracuda 7200.11 Hard drive 1 TB Internal 3.5" SATA300 7200 rpm buffer: 32 MB
Any opinions on which is best or if you think there is a better drive out there in the same price range?
I'm in a bit of a hurry so quick responses would be great.
Thanks

You are in a hurry... so?
Where to get benchmarks and more than just personal ideas and opinions, check out AMUG Reviews along with Barefeats along with AccelerateYourMac along with sites and forums that deal in video. StorageReview has usually done excellent review coverage but has slowed down but they looked at what is going on with Seagate line lately.
http://www.barefeats.com/hard94.html
http://www.xlr8yourmac.com/IDE/1TBHDs_MacPro/1TB_hard_drivetests.html#storytop
It isn't just what to buy, but where, and firmware. Samsung, Hitachi (latest model) and I wish WD would get their latest Black series. OWC checks to insure Seagate drives have the latest firmware as they have been problematic (for years now on Macs).
http://eshop.macsales.com/shop/hard-drives/

Formatting a seagate barracuda ata IV for mac?

I have a couple of 20 GB seagate barracuda ata IV st320011a hard drives that I pulled out of an old sun server that was running sunOS 4.x solaris. Is there an easy way to erase and format them for Macs. I would like to use them as slaves on a couple of old G4s. If I set the jumper to the slave position and install it correctly the system profiler recognizes that it's there but it doesn't show up on the desktop. I've also tried using disk warrior and tech tool. Even went as far as to set it as master and threw an OS9 install disk in to try an overwrite. Any ideas would be appreciated.
mini, g4, g5, imac, xserv Mac OS X (10.4.9)
mini, g4, g5, imac, xserv Mac OS X (10.4.9)

Welcome to the Discussions.
The drives will show up on the desktop after you format them with Disk Utility.
Select "Mac OS Extended (journaled)" as the format type, and if you plan to use OS 9 at all, make sure that the option to install OS 9 drivers is checked (the drivers can't be added later, except by reformatting the drive with the option checked).

Raid Drives: Hitachi 7k3000 Deskstar vs Seagate Barracuda XT

Hi Guys
Thought I'd start a new post for this. Have got all my components sorted for my new pc and that is being built, but I needed to source my raid controller and drives from a different source. So here's the dilema.
Im going to be using an ARC-1880i SAS/SATA 6gbit 8-Port Card and was going to get 3 x Hitachi 7k3000, but they're not in stock and the guy had recommended the Seagate Barracuda XT SATA 300
Just before I take the plunge are there any advantages to using the Hitachis that I'm unaware of , or is the Seagate OK.
On the Raid side of things, still a bit unsure as to whether to use Raid 3 or Raid 5 . Am I right in thinking most people use raid 5? Just wondering.
Thanks
Nick
P.S Just found out that the Hitachi are very hard to find because of manufacturing after the Eartquake in Japan.

Unless I'm missing something, current Barracuda XTs are SATA600, not 300. Or did you mean the non-XT Barracudas?
http://www.seagate.com/www/en-us/products/internal-storage/
Price wise, the smallest XT is 2TB, and prices at $140
http://www.newegg.com/Product/Product.aspx?Item=N82E16822148506
Same sized Hitachi's are $120
http://www.newegg.com/Product/Product.aspx?Item=N82E16822145473
But if you are going for speed more the capacity, I'd go with the Hitachi's 1.5TG at $65 each
http://www.newegg.com/Product/Product.aspx?Item=N82E16822145520
You'll get a much less expensive solution, especially in the long run when you'll add more drives to your RAID. At $65, you'll be able to have more disks, and be a lot faster.
If total capacity is not as critical as speed, ask them if they can get the 1.5TB Hitachi model instead of the 2TB.
PS: The Hitachi's have been tested on the Areca.
Most people use RAID5 because most RAID controlers out there are RAID5s. Only Areca makes RAID3 cards. Loosely explained, the advantage of RAID3 over RAID5 is the efficiency at reading and writing large files (video files) in a single user environment. Perfect for video editors. Also, if a drive fails, the RAID3 performance is not deteriorated. RAID 3 sucks in a multi user file server environment. Multiple access from different tasks bogs down the troughput drasitically. RAID5 on the other hand is way more efficient at reading multiple small files at the "same" time (documents, database access, etc). There is a good performance drop iwhen a drive fails, but it's still able to respond adequatly in a file server environment.
Many say RAID3 is an old inneficient technology and that it's dead. And RAID5 has evolved and is better at everything. Truth is, there is no one solution that does everything well. In reality, each has their place, and it depends largely on your workflow. So I suggest that, when your system is ready, if you have the time, try testing your RAID in both levels, and benchmark it yourself.
Message was edited by: Frederic Segard

Seagate Barracuda 7200 160gb Won't Mount

I have a Seagate Barracuda 7200 160gb from a PowerMac G5. It spins up just fine. Sounds normal but is not mounting. I have used a Manhattan USB Dock, A Universal USB Drive Adapter. I had it mounted once externally and ran Disk Repair on it, and it still would not mount in the G5. I even took it to a local data recovery shop and they can't see it either. I've read a lot online about possibly replacing the PDB Circuit Board or the BIOS chip. I've also ran Disk Warrior - doesn't see it.
Is there a way to check what is actually the issue? BIOS, Board, Corrupted OS, etc.?
Tomorrow I'm calling Seagate to see if they can do anything. Basically I'm trying to get the data off of it for someone, then get a new drive and install then migrate assist if possible.
Thanks for any help

why would I need another drive.
To scavenge the board.
You can't just slap any old board on there.
The same model and the same firmware are the general requirements for board swaps to gain access to data....
Why would it need this?
The data rate limit is needed on retail drives to allow proper communication with the G5 controller.
The G5 controller and Seagate retail drives have a nasty history. One, the limit jumper is needed, but NCQ was enabled by default, and later, so was SSC. Neither of these features is compatible with the G5 controller.
It is the drive that was shipped with it when he bought it brand new from Apple.
Hmmm, my ESP wasn't working as well as it usually does.....
If the drive is OEM Apple shipped, then it has Apple firmware which changes jumper requirements.

Seagate Barracuda 7200.1 500GB 7200RPM S300 32MB

Will the:
Seagate Barracuda 7200.1 500GB 7200RPM S300 32MB
be compatible in my
2 x 2.66GHz Dual-Core Intel Xeon Mac Pro
I noticed that my machine has a Seagate Baraacude 250GB drive in so I assumed this would also work.
Do I need to purchase additional SATA cables or do these drives plug directly into the motherboard of the MacPro?

Yes, it will work. Installation information is in the Mac Pro User Guide manual that came with your computer. Page 38, I believe.

Seagate Barracuda ST1000M003 won't work in a 6.1 iMac

My 500 GB disk is sounding funny and I have a grey screen. I have bought a new disk Seagate Barracuda ST1000M003-9YN162.
When I try to format the disk I'll get input-/output error.
Any theories?
My iMac is 24", white 2006, model 6.1
I'm using the startup CD.

Only 10.4.11 & up can recocognise the new Advanced Format of 4,096 Byte Sectors versus the 512 Byte Sectors of old Disks, hence reporting drives to be 8 times the size.
http://en.wikipedia.org/wiki/Advanced_Format
Since 10.4.11 never came on an Install Disk, you eithr have to find an expensive Leopard/10.5 Install Disk, find some way to install 10.4
8 to an exteral DRive & upgrade to 104.11, or the cheaper route 10.6.x
Snow Leopard/10.6.x Requirements...
General requirements
   * Mac computer with an Intel processor
    * 1GB of memory (I say 4GB at least)
    * 5GB of available disk space (I say 30GB at least)
    * DVD drive for installation
    * Some features require a compatible Internet service provider; fees may apply.
    * Some features require Apple’s MobileMe service; fees and terms apply.
Which apps work with Mac OS X 10.6?...
http://snowleopard.wikidot.com/
It looks like they might still have it...
http://store.apple.com/us/product/MC573Z/A?fnode=MTY1NDAzOA
If it's a core Duo & not a Core2Duo, then it'll only run in 32 bit mode.

Seagate Barracuda 7200.11 or ES.2 for RAID 5

Hello all.
I've searched through past topics to avoid repetition, and my knowledge of RAID is somewhat limited. Nonetheless.....
I've purchased a Mac Pro 2x Quad Core for the audio company that I work for, and plan to fill up the hard drives with an extensive audio library which will be accessed via Logic Studio.
We are planning on purchasing a RAID card, using RAID 5 in order to stripe and mirror the drives.
The hard drives we are looking at are Seagate Barracuda 1TB drives, and I am struggling to determine which will be most appropriate.
Having researched around, it was suggested to me that the Seagate Barracuda ES.2 drives are more appropriate for using with a RAID card, although considering the increased cost compared to the 7200.11 drives [an extra £180), I'd like to find out is this is really necessary.
If any of you have any advice, suggestions, etc., I would be most grateful.
Louise.

If you are in an enterprise in which these drives will be in relatively continuous use, then it would be wise to purchase the ES enterprise models because they are intended for heavy enterprise usage. If all you do is an occasional backup to the RAID and the usage is light and the drives are not running 24/7, then you may do fine with the less expensive versions.
Here is some information and additional links to help you learn more about RAIDs.
RAID Basics
For basic definitions and discussion of what a RAID is and the different types of RAIDs see RAIDs. Additional discussions plus advantages and disadvantages of RAIDs and different RAID arrays see:
RAID Tutorial;
RAID Array and Server: Hardware and Service Comparison>.
Hardware or Software RAID?
RAID Hardware Vs RAID Software - What is your best option?
RAID is a method of combining multiple disk drives into a single entity in order to improve the overall performance and reliability of your system. The different options for combining the disks are referred to as RAID levels. There are several different levels of RAID available depending on the needs of your system. One of the options available to you is whether you should use a Hardware RAID solution or a Software RAID solution.
RAID Hardware is always a disk controller to which you can cable up the disk drives. RAID Software is a set of kernel modules coupled together with management utilities that implement RAID in Software and require no additional hardware.
Pros and cons
Software RAID is more flexible than Hardware RAID. Software RAID is also considerably less expensive. On the other hand, a Software RAID system requires more CPU cycles and power to run well than a comparable Hardware RAID System. Also, because Software RAID operates on a partition by partition basis where a number of individual disk partitions are grouped together as opposed to Hardware RAID systems which generally group together entire disk drives, Software RAID tends be slightly more complicated to run. This is because it has more available configurations and options. An added benefit to the slightly more expensive Hardware RAID solution is that many Hardware RAID systems incorporate features that are specialized for optimizing the performance of your system.
For more detailed information on the differences between Software RAID and Hardware RAID you may want to read: Hardware RAID vs. Software RAID: Which Implementation is Best for my Application?

My IMac 21.5 mid 2010's HD is going bad on it, after upgrading to mavericks it slowed way down and after it shut off and now won't come back on, would Seagate Barracuda ST2000DM001 2TB Serial ATA Hard Drive - 7200RPM, 64MB, SATA 6Gb/s worked?

My IMac 21.5 mid 2010's HD is going bad on it, after upgrading to mavericks it slowed way down and after it shut off and now won't come back on, I call apple support and they told me to bring it in but the nearest store is about two hours away. They said I need it to erase my hard drive but I have too many family pics on it.
would Seagate Barracuda ST2000DM001 2TB Serial ATA Hard Drive - 7200RPM, 64MB, SATA 6Gb/s worked on it? I could replace the internal and get an enclosure for the original until I get the pics out of it?
Please advise, it's like five years of family pics I don't wanna loose them and I am worried.
Thanks
Al Florez

A Brody,
I really apprecate your very quick respond, Its too late to back up as of now, my hard drive wont load at all so I cannot follow your instruction to back it up. Learn a hard lesson but I will from now on following your link.
Also my hard drive it is not available to do the free exchange program.
I read the OWC instruction on how to replace the drive I was just wondering if the 2TB would work on it instead of the 1 TB they offer, I specifically asked for the Seage Barracuda because I had great experiences with it on PCs.
Again, Thank you

IMAC 2010 which HDD can I use to replace the malfunctioned Seagate Barracuda 7200.12 1TB?

iMAC 2010 which HDD can I use to replace the malfunctioned Seagate Barracuda 7200.12 1TB?

After doing a bit more research, the 2010 iMacs do appear to have a third cable connecting to the hard drive, for the internal temp sensor. This would appear to be the block of 8 pins that are on almost all drives, but they are normally intended for jumpers. Unfortunately I was unable to find any documentation or specs that would indicate this pin block connects to the internal temp sensor on either standard (non-Apple) WD Black or Seagate 7200.12 drives.
I did find some info that may be of some use:
WD: Where to connect an external temperature sensor to a Serial ATA or EIDE hard drive.iFixit: Replace the hard drive, how do I connect the hard drive thermal sensor?
Apple Technician Guide: iMac 2010 27" (mid-2010)
Various discussion threads I found through google searching indicated some people succeeded with installing an external temp sensor on the body of the drive.
Sorry I couldn't help more.

Freeze on HP Pavilion a6551nl with Seagate Barracuda harddisks

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