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SSD
(2012-05-18,
MikeGore
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MikeGore
- 18 May 2012
SSD
Solid State Disks
Solid State Disks, DDS or flash drives require special settings to work optimally - Partition Alignment and TRIM settings are required
Alignment
see
AdvancedFormatDrives
Alignment is very important for the performance of an
SSD
Typically 4K or larger alignment on partitions helps.
TRIM
Summary:
http://en.wikipedia.org/wiki/TRIM
Lets the OS help the
SSD
do "garbage collection" and maintain write performance over time.
Linux TRIM
As of 10.10 TRIM is supported natively by the kernel. It requires using the "discard" option in
/etc/fstab
- see the refrences below for examples
References
http://disktrim.sourceforge.net/
http://sites.google.com/site/lightrush/random-1/howtoconfigureext4toenabletrimforssdsonubuntu
http://sites.google.com/site/lightrush/random-1/checkiftrimonext4isenabledandworking
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Topic revision: r1 - 2012-05-18
-
MikeGore
CF
Information in this area is meant for use by CSCF staff and is not official documentation, but anybody who is interested is welcome to use it if they find it useful.
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