Andreas Dilger wrote:
>On Jun 23, 2006 17:01 +0300, Al Boldi wrote:
>
>
>>Chris Allen wrote:
>>
>>
>>>Francois Barre wrote:
>>>
>>>
>>>>2006/6/23, PFC <lists@xxxxxxxxxx>:
>>>>
>>>>
>>>>> - ext3 is slow if you have many files in one directory, but
>>>>>has more mature tools (resize, recovery etc)
>>>>>
>>>>>
>
>Please use "mke2fs -O dir_index" or "tune2fs -O dir_index" when testing
>ext3 performance for many-files-in-dir. This is now the default in
>e2fsprogs-1.39 and later.
>
>
for ext3 use (on unmounted disks):
tune2fs -O has_journal -o journal_data /dev/{disk}
tune2fs -O dir_index /dev/{disk}
if data is on the drive, you need to run a fsck afterwards and it uses a
good bit of ram, but it makes ext3 a good bit faster.
and my main points for using ext3 is still: "it's a very mature fs,
nobody will tell you such horrible storys about data-lossage with ext3
than with any other filesystem."
and there are undelete tools for ext3.
so if you're for data-integrity (i guess you are, else you would not use
raid, or? ;) ), use ext3 and if you need the last single kb/s get a
faster drive or use lots of them with a good raid-combo and/or use a
separate disk for the journal (man 8 tune2fs)
my 0.5 cents,
greets chris
ps. but you know, filesystem choosage is not pure science, it's
half-religion :D
>Cheers, Andreas
>--
>Andreas Dilger
>Principal Software Engineer
>Cluster File Systems, Inc.
>
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