[CentOS] faster fsck ?

Peter Kjellström cap at nsc.liu.se
Fri Oct 29 08:31:48 EDT 2010


On Friday 29 October 2010 11:42:38 przemolicc at poczta.fm wrote:
> Hi,
> 
> we have CentOS ftp server (vsftpd) which has a lot of users who are writing
> and reading a lot of small files from/into its own accounts (and other
> servers - using samba client - are reading these files and putting them
> into outside database).
> Since this server is under heavy load its availability is important.
> 
> >From time to time we "crash" this server (don't ask why ...) but then fsck
> >is running for over 20-30 minuts.
> 
> The question is: is there any other _stable_ filesystem (xfs ?, jfs ?)
> which we can use instead of ext3 which is (quite) immune to crashes and
> whose fsck is "faster" (by design) then in ext3 ?

The idea with ext3/ext4 is that you don't have to run a full fsck after a 
system crash (only a fully automated journal replay).

XFS uses the same idea (no fsck only journal replay). But if you really want 
to fsck an xfs filesystem then that too will take a lot of time.

/Peter
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