On Thu, 16 Feb 2012, Bilal mk wrote:
I am using xfs filesystem and also did the fsck. DMA is enabled. Also perfomed xfs defragmentation( xfs_fsr). But still an issue not only rm -rf but also cp command
Until quite recently XFS was notable for being slow to delete. Others have noted that this is greatly improved in recent kernels but even with older kernels there is quite a bit of tuning that you can do to improve the delete performance. Your favourite search engine should give you good results.
I put down some notes for myself here a while back: http://www.practicalsysadmin.com/wiki/index.php/XFS_optimisation Cheers, Rob -- Email: rob...@timetraveller.org Linux counter ID #16440 IRC: Solver (OFTC & Freenode) Web: http://www.practicalsysadmin.com Free & Open Source: The revolution that quietly changed the world "One ought not to believe anything, save that which can be proven by nature and the force of reason" -- Frederick II (26 December 1194 – 13 December 1250)