On Thu, Sep 13, 2012 at 06:24:45PM -0500, Stan Hoeppner wrote: > Due to its allocation group design, continually growing an XFS > filesystem in such small increments, with this metadata heavy backup > workload, will yield very poor performance. Additionally, putting an > XFS filesystem atop an LV is not recommended as it cannot properly align > journal write out to the underlying RAID stripe width. While this is > more critical with parity arrays, it also effects non parity striped arrays. > > Thus my advice to you is: > > Do not use LVM. Directly format the RAID10 device using the mkfs.xfs > defaults. mkfs.xfs will read the md configuration and automatically > align the filesystem to the stripe width. > > When the filesystem reaches 85% capacity, add 4 more drives and create > another RAID10 array. At that point we'll teach you how to create a > linear device of the two arrays and grow XFS across the 2nd array.
I did what you advised and formated RAID10 using xfs defaults. Thanks for you help, Stan. Regards, Veljko -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/20120917103136.gb7...@angelina.example.org
