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SubjectRe: PROBLEM: AES cryptoloop corruption under recent -mm kernels
Jari Ruusu wrote:

>
>
>
>>Also, in the loop-AES.README, this is mentioned:
>>
>>"Device backed loop device can be used with journaling file systems as
>>device backed loops guarantee that writes reach disk platters in
>>order required by journaling file system (write caching must be disabled
>>on the disk drive, of course)"
>>
>>Are you talking about the "hdparm -W" flag for IDE drives?
>>
>>
>
>Yes.
>
>If you don't have UPS powered box, disabling write caching of disks is
>recommended when using journaling file system.
>
>
unless you use the write cache flushing code which went into a kernel
version I can never remember.....


--
Hans


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