We have a volume size of 850 GB deployed on an SAN. The volume is on RAID5 with a 64 K stripe size. The NTFS format was also done on 64 K for performance -- and it does deliver performance. The current problem is how to defrag the volume with a 64 K block size. Can you describe how to defrag this volume?
Unfortunately, Windows NT 4 and Windows 2000 do have a restriction for the implemented Defrag API -- they only allow NTFS partitions with a maximum of 4K cluster size to be defragged. Win XP does not have this restriction anymore.
So there are no tools available, that rely on the MS defrag API, to defrag your volume. There is "SpeedDisk", which does have its own defrag API implementation, and thus can defrag any cluster size. But beware! This tool does not comply with NTFS security and data safety -- it defrags the MFT online! You should do a full backup before applying it to your data!
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