Re: thin provisioned LUN support & file system allocation policy

Martin K. Petersen
2008-11-07T15:51:09Z

>>>>> "Ted" == Theodore Tso <tytso@mit.edu> writes:

Ted> How much of a disk wear factor is there with modern disk drives?
Ted> The heads aren't touching the disk, and we have plenty of sectors
Ted> which are constantly getting rewritten with traditional
Ted> filesystems, with no ill effects as far as I know.

Modern disk firmware maintains a list of write hot spots and will
regularly rewrite adjacent sectors to prevent bleed.

--
Martin K. Petersen Oracle Linux Engineering