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-   -   S-ata & Hotswap (https://www.madshrimps.be/vbulletin/f14/s-ata-hotswap-3186/)

RichBa5tard 9th October 2003 13:11

S-ata & Hotswap
 
I thought one of the specifics of S-ATA drives was being able to hotswap it?

Windows XP doesn't like my s-ata storage drive to be hotswapped (acts the same as if you would try to swap an IDE, it does not automaticly dedects the removal). Is it because a S-ATA Seagate 7200.7 isn't hotswappable, or is not supported by windowsxp yet?

piotke 9th October 2003 13:14

same here with maxtor HD

jmke 9th October 2003 13:17

have to do some research on that, but I don't think all SATA interfaces support hot-swap

FreeStyler 9th October 2003 15:17

1 SATA on a extra PCI or onboard RAID controller will never work. The drive has to be found by the raid array, and turned into a usable array first.
2 If it is truly hotswap you should get the logo to safely remove hardware in systray. WinXP only probably, and I've never seen it.

jmke 9th October 2003 15:32

eSATA is hot plug I thought.

piotke 9th October 2003 19:51

marcelleke just dropped by with his maxtor 120 gig SATA

and on my NF7-s it IS hot swappable. After removing the HD while runing in windows, it disappears, 20 seconds later we added it back, recognized imediately. nifty

RichBa5tard 9th October 2003 20:31

wat did you disconnect first? power or data?

piotke 9th October 2003 20:36

data first

disk disappeared. I did not remove power connector., so the disk kept on spinning, but is was gone instantly in windows.

NF7-s
maxtor 120 gig sata
win xp, SP 1

jmke 9th October 2003 22:43

try removing both data & power :)

piotke 10th October 2003 06:50

Hard disk is gone here :)

jmke 18th October 2003 22:14

Re: S-ata & Hotswap
 
Quote:

Originally posted by RichBa5tard
I thought one of the specifics of S-ATA drives was being able to hotswap it?

you need to disable write caching for it to work. Just tried it with a SATA HD on my P4C800. Works flawlessy , even when completely removing the HD from the system (sata + power).

Hardware devices manager ->

RichBa5tard 19th October 2003 12:33

Does it decrease speed damatically?

jmke 19th October 2003 13:01

Copy 700mb to the same HD with write cache: 0min27sec
copy 700mb to the same HD without write cache: 2min30sec

BUT if you start multiple operations on the HD with write cache , then eventually it will also show the 2min30sec for the file copy.

Overall the write cache does improve the speed of the HD for general window usage, but for huge file transfers it does only show the first XXX Mb's before the cache is full and you revert to the "normal" speed.

I don't think you're going to hot-swap a system drive? :)

RichBa5tard 19th October 2003 14:52

ok, thanks for the info. :)

FreeStyler 20th October 2003 11:12

Problem is that about 500megs of that file is still cached waiting for a free time to actually copy it.
Remove a drive at that time and yer screwed. (or crash for that matter)

jmke 20th October 2003 12:09

re-read my post please.. http://www.madshrimps.be/forums/show...3291#post43291

where do I point out that enabling cache is good on the plugNplay HD? :)

FreeStyler 20th October 2003 14:38

Just pointing out that the 0.23sec is a "windows" number, and not a real figure.

Never claiming anything esle.


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