Displaying 2 results from an estimated 2 matches for "fbarrier".
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2009 Mar 18
24
rename(2), atomicity, crashes and fsync()
Hi all,
Recently there''s been discussion [1] in the Linux community about how
filesystems should deal with rename(2), particularly in the case of a crash.
ext4 was found to truncate files after a crash, that had been written with
open("foo.tmp"), write(), close() and then rename("foo.tmp", "foo"). This is
because ext4 uses delayed allocation and may not
2010 Jan 12
6
x4500/x4540 does the internal controllers have a bbu?
Has anyone worked with a x4500/x4540 and know if the internal raid controllers have a bbu? I''m concern that we won''t be able to turn off the write-cache on the internal hds and SSDs to prevent data corruption in case of a power failure.
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