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can someone explain hot-swapping?

post #1 of 10
Thread Starter 
from what I understand, when using computers with hot-swap drive bays you can just pop in and out the drives, basically like big floppies. Is that about the gist of it? Do you need special hard drives to work with this? and what kind of connection do hot swap bays usually use, SATA? and does transfer speed differ than normal fixed SATA connections? sorry if these are retarded questions, I don't think I've bought a HDD in like 4 years, so I'm not really up on the current tech. thanks
post #2 of 10
My corsair 800d has the hotswap panels on it. I basically just put the computer in hibernate and unplugged the ssd/machanical and it and placed another in and resumed out of hibernate and everything was fine.
post #3 of 10
Normally, hotswap bays are SATA and the only requirement is that (AFAIK) the HDD support AHCI mode and the computer be in AHCI mode. Speeds are identical to "fixed SATA" because they use the same connections.

If you look at a Hot Swap SATA backplane (Where the HDD gets connected) it looks just like a SATA Power and data cable stuck next to each other, so when the hard drive gets slid into place, they plug in.
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post #4 of 10
Its just sata.



Using a sata drive as a big flash drive basically.
post #5 of 10
Thread Starter 
Quote:
Originally Posted by imadude10 View Post
Normally, hotswap bays are SATA and the only requirement is that (AFAIK) the HDD support AHCI mode and the computer be in AHCI mode. Speeds are identical to "fixed SATA" because they use the same connections.

If you look at a Hot Swap SATA backplane (Where the HDD gets connected) it looks just like a SATA Power and data cable stuck next to each other, so when the hard drive gets slid into place, they plug in.
not familiar with AHCI. how do you put the computer in that mode?

Quote:
Originally Posted by The Master Chief View Post
Its just sata.

Using a sata drive as a big flash drive basically.
so you can just pop them in and out while the computers running without having to sleep or hibernate or anything?

thanks for the responses everyone
post #6 of 10
As stated, it's more of a feature of SATA.

With IDE you had to power down your system before moving drives. Now you can simply remove them (make sure you 'safely remove' to avoid corruption) while the computer is on and install other drives without issues.
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post #7 of 10
Quote:
Originally Posted by seven9st surfer View Post
not familiar with AHCI. how do you put the computer in that mode?



so you can just pop them in and out while the computers running without having to sleep or hibernate or anything?

thanks for the responses everyone


AHCI is turned on in the BIOS usually under drive configuration.


and yeah, you just pop them in and out while the computer is on, like USB. Its 'hot swappable'...
post #8 of 10
Quote:
Originally Posted by seven9st surfer View Post
not familiar with AHCI. how do you put the computer in that mode?

so you can just pop them in and out while the computers running without having to sleep or hibernate or anything?

thanks for the responses everyone
In your BIOS, there should be an option along the lines of SATA Mode. Normally there are 3 options, IDE/SATA, RAID, AHCI.

You can't just rip out drives that are running. It's sort of like properly ejecting a flash drive, where you "deactivate" it, then it will spin down and you can remove it. Haven't used it in a while but when you plug a new drive in, you either have to initialize it in Administrator Tools or it might start automatically (I don't remember off the top of my head.)
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post #9 of 10
Thread Starter 
thanks for all the great info, guys! ive done some more research, and using the answers here, I've got one more question. if a SATA drive is set up in AHCI (which all mine are), and write cache is disabled in the device manager for the hot-swap drive, is there any reason you would have to eject or "safely remove" the disk before you just pulled it out? from what i've read, I don't think you'd have to, but I just wanted to ask to make sure. thanks again

EDIT: obviously you wouldn't pull out a drive when you've writing something to it, i mean when you've not doing anything with it
post #10 of 10
'Safely remove' is the only way to ensure that the OS isn't actually accessing any portion of the drive, for any reason.
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