[Triumf-linux-managers] TRIUMF customizations to Scientific
Linux distributions
Kelvin Raywood
kray at triumf.ca
Thu Jan 8 17:35:43 PST 2009
Rod Nussbaumer wrote:
>>> ... Perhaps the vendor chose JFS for another good reason.
Case insensitivity ?
On Thu, 8 Jan 2009, Andrew Daviel wrote:
> http://en.wikipedia.org/wiki/Wear_levelling
>
> Bits in flash memory can only be written so many times before they stop
> working. The directory nodes in a normal FS like EXT2 (or, AFAIK, JFS) get a
> hammering as the directory is rewritten every time a file is accessed.
The wiki page I pointed to in my previous response describes other good
practices when flash disks. e.g. disable access-time updating, no swap,
/tmp in a ramdisk, external logging, ...
Kel
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