SSD partitioning into unused partitions?

Question

Solid State Drives

SSD 120 GB I break into 60 Gb I put OS there and I do not use empty 60 Gb.
In this case, it will help for the life of the disk?
Tipo if one cell dies, then the controller will take it from an unbroken section?
I want to hear there is a sense of partitioning the disk or putting OS on the entire volume of the disk

Answer 1

most SSD controllers automatically move data from frequently used (for writing) cells to less used ones, thus extending the life of the disk on average. This process is transparent to the user, since the internal sectors are mapped onto the user's sectors in an arbitrary way. Thus, it makes no difference to the user which part of the disk is 'not used'.
Initially, an empty disk is marked as not used (this can also be done with special utilities), thus filling the disk only halfway, the second half of the disk will remain marked as not used. used and its sectors will be used by the controller as needed.
If we simply count, when using only half the capacity of the disk, it should multiply (formally not twice, since two records will be made to transfer 1 unit of information) to increase the shelf life of the disk (in terms of cell recording resource)
But if the operating system (and bios settings, namely the enabled controller mode - ahci) supports the TRIM command (reports that the sector has been freed), then it does not matter in which part of the disk the unused sectors are located. And in this case, you can mark the entire disk, but independently monitor the availability of free space, the result should be the same. By the way, if occasionally, for a short time, the amount of free space on the disk will decrease, even to zero, this should not noticeably affect the described increase in the expiration date, because only write operations and the ability to spread them over the disk are important.
Therefore, I repeat, there is no need to limit yourself in size available space in such ways, mark the entire disk and make sure that TRIM support is enabled in the BIOS and OS.