PRS-500 file system type on internal store

jakeluck · 02-02-2007, 11:17 AM

what is the file system type of the internal memory? ext2? since SD cards are all FAT based, content replenishment day-in-day-out eventually will lead to fragmentation.

igorsk · 02-02-2007, 12:31 PM

Read-only partitions are cramfs, writeable are jffs2. See here for more details.

RWood · 02-02-2007, 05:02 PM

When I unplug the Reader from an update it takes a while to go through some internal rearranging/indexing/whatever. I remember many years ago on the old USCD Pascal system where it would always write to the largest contig block of space and the space from deleted files was not reused. At intervals you had to "pack" the disk to remove the deleted space and move everything remaining together. I wonder if something like this is happening on the Sony.

02-02-2007, 11:17 AM	#1
jakeluck Groupie Posts: 193 Karma: 3252 Join Date: Dec 2004	file system type on internal store what is the file system type of the internal memory? ext2? since SD cards are all FAT based, content replenishment day-in-day-out eventually will lead to fragmentation.

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02-02-2007, 12:31 PM	#2
igorsk Wizard Posts: 3,442 Karma: 300001 Join Date: Sep 2006 Location: Belgium Device: PRS-500/505/700, Kindle, Cybook Gen3, Words Gear	Read-only partitions are cramfs, writeable are jffs2. See here for more details.

02-02-2007, 05:02 PM	#3
RWood Technogeezer Posts: 7,233 Karma: 1601464 Join Date: Nov 2006 Location: Virginia, USA Device: Sony PRS-500	When I unplug the Reader from an update it takes a while to go through some internal rearranging/indexing/whatever. I remember many years ago on the old USCD Pascal system where it would always write to the largest contig block of space and the space from deleted files was not reused. At intervals you had to "pack" the disk to remove the deleted space and move everything remaining together. I wonder if something like this is happening on the Sony.

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