On 11/02/12 4:26 PM, Daniel Pittman wrote:
Total, actually. Although that was US dollars, and only cheap consumer grade non-ECC memory.
With ZFS able to parity-check data on disk for consistency and detect/repair bit errors, is it necessary to use ECC memory for a dedicated ZFS file store? ...Richard.
Richard Archer <rha@juggernaut.com.au> wrote:
With ZFS able to parity-check data on disk for consistency and detect/repair bit errors, is it necessary to use ECC memory for a dedicated ZFS file store?
That depends on whether you're concerned about detecting bit errors that occur while preparing and writing the data in the first place, rather than only about bit errors in data read back from the file system.
On Saturday 11 February 2012 17:20:55 Richard Archer wrote:
With ZFS able to parity-check data on disk for consistency and detect/repair bit errors, is it necessary to use ECC memory for a dedicated ZFS file store?
You may well avoid pain by doing so, especially if you monitor for corrected ECC errors and replace problematic DIMMs before failure. -- Chris Samuel : http://www.csamuel.org/ : Melbourne, VIC This email may come with a PGP signature as a file. Do not panic. For more info see: http://en.wikipedia.org/wiki/OpenPGP
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