Jeffrey Altman wrote: > The reason I am asking is that I have come across at least one > anti-virus product which not only causes performance issues but > also results in data errors.
I have received enough data to be able to determine that the vast majority of organizations that deploy anti-virus software have it configured to not scan AFS. Of those who do scan AFS, the two most popular brands are McAfee and Symantec. This should not be much of a surprise. I have also been able to confirm that the bug that exists in McAfee Version 7 does not exist in McAfee Version 8 Patch 11. If you are using a version of McAfee earlier than Version 8 Patch 11 and certainly if you are using Version 7, you should seriously consider upgrading. The McAfee Version 7 bug will result in data corruption by intercepting a file write operation, queuing it to be written after the file is scanned for viruses, and subsequently failing to perform the write operation because the file was opened for read-only and the file system (in this case AFS) refuses to allow a write to be performed using a file handle configured without write permission. Jeffrey Altman
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