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List:       centos
Subject:    Re: [CentOS] SSD for Centos SWAP /tmp & /var/ partition
From:       Drew <drew.kay () gmail ! com>
Date:       2011-05-30 12:33:54
Message-ID: BANLkTiksmurHBhzAmqVt=OzCDN10V3GACQ () mail ! gmail ! com
[Download RAW message or body]

> Hmmm.... sector still had random data after rm tmpfile and sync;
>
> /dev/sda3 on / type ext4 (rw,noatime,nodiratime,discard)
>
> Device Model:     KINGSTON SS100S216G
> Serial Number:    16GB40013421
> Firmware Version: D100719
>
> Suppose to support TRIM.

Just so you know, in Jan '09 there was a thread on the linux raid list
where they discussed the TRIM command on SSD's. The gist of the
conversation (as I understood it) was that for SATA based SSD's, the
results of a raw read afterward were non-deterministic, ie you
couldn't be certain what you'd get back.


-- 
Drew

"Nothing in life is to be feared. It is only to be understood."
--Marie Curie

"This started out as a hobby and spun horribly out of control."
-Unknown
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