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How to Implement Trim on SSD Drives

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  • Community Expert
1 hour ago, dertbv said:

I assume that these two directories are on the cache drive?

sudo fstrim -a -v
/var/lib/docker: 11.9 GiB (12789510144 bytes) trimmed
/etc/libvirt: 921.6 MiB (966324224 bytes) trimmed

Maybe. In a way. Those are actually mount points for vdisks used by Docker and VM Services.

 

Cache is the default location for those vdisks assuming everything else involved is set to defaults. It depends on the paths you have specified in Docker Settings and VM Manager Settings. It also depends on what the settings for those paths are if they are on user shares, and also whether or not cache was available when they were created.

 

In any case, unrelated to the discussion of this thread.

  • 1 year later...
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dynamix ssd trim still needed in 2020 with 6.8.1 ?

Hello Everyone,

 

I have 2 ssd's in a cache pool and the dynamix ssd trim plugin set to trim at 1:30am everyday. When I click on the disk log information of the first disk, I see that it has trimmed the disk at the hour I set up but it says /dev/sdb1 (the cache disks are sdb and sdc), is this referring to both disks in the pool got trimmed. When I click on the disk log information of the second disk in the pool, there is no mention of it being trimmed.

 

Thanks

  • Community Expert
2 hours ago, mikegiann said:

is this referring to both disks in the pool got trimmed.

Yes, pool is identified by a single device, as long as there are no errors all pool devices should have been trimmed.

Excellent, thank you johnnie.black

 

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