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Originally posted by curaga View Postrelatime has been the linux default for several releases now.
Even for hard disk devices such as sd[abcd] ?
My /etc/fstab has relatime for my /dev/sda which is an solid-state drive. Can I remove relatime from /etc/fstab and it still use relatime?
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mkfs.ext4 -O ^has_journal & noatime
Originally posted by uid313 View PostWhy not use ext4 with journal?
noatime is also a must, and i use it everywhere. I don't care when was the last time i opened a file, those are unwanted writes.
relatime only delays the writes, noatime is a must to avoid stupid writes when reading files.Last edited by Artemis3; 20 August 2012, 02:14 PM.
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Originally posted by DMJC View Post99% of portable devices need to operate with at least one Windows PC or a Macintosh. Until there's an IFS driver for windows and a proper Mac driver, any filesystem released for portable devices is a useless waste of devloper time. All 3 people that are exclusively Linux users are going to use this and everyone else is going to ignore it. If developers want to start pushing their technologies they have to aim for interop. Anything less just isn't acceptable anymore. Especially for low level stuff like Filesystems. We have OpenGL, OpenAL, SDL, and Fat32. Until you're ready to add your filesystem to that reasonably prestigious lineup. You won't get adoption. Linux already has ~50 filesystems most of which are useless outside of their niches due to lack of interop.
now on the pc/server market is true i don't see it useful in any way but for the industrial and ULP microcontroller can prove to be useful or at least used as base reference implementation for custom low cycle FS in this devices
"Linux already has ~50 filesystems most of which are useless outside of their niches due to lack of interop" so?? i don't see the logic in interop at all since each of those fulfill a very different scenario and are not meant to be used for average joe's from the ground up and if you are referring to extX,xfs,btrfs, etc[the desktop/server grade FS] they work perfectly fine in linux, is apple and microsoft decision if they wanna provide support linux with their FS or allow a linux one used in their OS.
and no microsoft has not help ntfs/fat/etc. outside windows either it was reversed[and i think they tried to sue linux for it]
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Originally posted by allquixotic View PostI find that transparent compression a la btrfs is good for flash drives as well as noatime. With transparent compression you read/write less data and the relative CPU time needed to compress/decompress is negligible, even if you use an expensive algorithm like LZMA.
ie, change one word in a big text doc. Only that erase block changes.
If the FS is compressed, that block and all blocks after it would change.
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