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IWETHEY Home / IWETHEY Board / Hardware Forum / Fragmented? 75% full?
Post #403,243
by pwhysall
Picture of pwhysall
7/5/15 2:08:02 AM
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New Fragmented? 75% full?
Do tell.
Post #403,247
by Andrew Grygus
Picture of Andrew Grygus
7/5/15 11:36:19 AM
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New Re: Fragmented? 75% full?
These things can only write blocks, and when they run out of free blocks they go to another mode. They find a block with free pages and read that block into cache (reads are faster than writes). They then erase the block (erase is veeeery slow compared to read or write), add the new data to the cache, and then write cache back to the block.

Of course, a disk with a lot of free time will not be so much affected as there is more time for garbage collection. TRIM helps, but is imperfect.
     HD replacement - (pwhysall) - (9) - July 3, 2015, 05:37:11 AM EDT
         So you're doing photo gigs for commission now? -NT - (drook) - (2) - July 3, 2015, 08:00:08 AM EDT
             Ar! -NT - (pwhysall) - (1) - July 3, 2015, 08:54:55 AM EDT
                 you have the eye for it -NT - (boxley) - July 3, 2015, 01:23:38 PM EDT
         Luck! - (Another Scott) - (3) - July 3, 2015, 10:30:53 AM EDT
             So much faster . . . until . . . - (Andrew Grygus) - (2) - July 4, 2015, 07:08:20 PM EDT
                 Fragmented? 75% full? - (pwhysall) - (1) - July 5, 2015, 02:08:02 AM EDT
                     Re: Fragmented? 75% full? - (Andrew Grygus) - July 5, 2015, 11:36:19 AM EDT
         On the risk of being redundant - (scoenye) - (1) - July 3, 2015, 08:16:01 PM EDT
             Yep - (pwhysall) - July 4, 2015, 12:17:00 AM EDT

I don't like those orange potatoes like that.
39 ms