[GTALUG] New Desktop PC -- debian Linux - Proposed 2 TB HDD Partitioning;

D. Hugh Redelmeier hugh at mimosa.com
Tue Apr 17 11:30:25 EDT 2018

| From: Russell via talk <talk at gtalug.org>

| >| From: Giles Orr via talk <talk at gtalug.org>

| >| I'm with Len - simplify if you can.  Although Unlike him, I believe you
| >| should have at least two (Linux) OS partitions - if one is messed up, you
| >| can boot from the other to fix it.  And I've also - more than once -
| I also follow this practice. In fact in my current build, I'm looking at 
| overprovisioning my SSD using small fencing stripes. This would so as to 
| be able to gain several spaces on the disk which I could format in an 
| emergency. I can then recover a backup of the superblock and realign 
| things. In theory anyway.

"Overprovisioning" can mean many things, but it has a specific meaning in 
terms of SSD wear leveling.

Some system-visible space that is not being used can only be considered 
overprovisioning (in the SSD wear leveling sense) if the drive's 
controller "knows" it is unused.

I haven't carefully read this but it might give answers on how to get 
empty bits between partitions into the free block pool of the SSD 

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