[dm-crypt] (More) Questions about LUKS / LVM

Alexander Koch mail at alexanderkoch.net
Tue Sep 20 17:21:54 CEST 2011


Am 20.09.2011 13:47, schrieb Arno Wagner:
> With an SSD, things are a bit different. Due to the large
> internal sector size, the header can be in a sector that
> also has data that gets rewritten in it. As sectors are
> always written completely, the header then is at risk whenever
> that data gets rewritten.

Did I get that right: by using the TRIM-support available with kernel
3.1 I risk loosing my LUKS headers at regular use??

No chance to align the payload (data) in such a way that it starts at a
new sector, which then can be TRIMed without loosing the header?


Thanks,

Alex


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