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Hi,
It is possible for a bit-flip to change data that is to be written to
disk after its hash has been computed, but before it has been sent to
disk. This is primarily a concern for systems without ECC RAM.
It is possible to correct (some of) these errors by including some
forward error
On 7/7/14, 2:41 PM, Neal H. Walfield wrote:
Hi,
It is possible for a bit-flip to change data that is to be written to
disk after its hash has been computed, but before it has been sent to
disk. This is primarily a concern for systems without ECC RAM.
It is possible to correct (some of)
On 07/07/2014 15:09, Saso Kiselkov wrote:
On 7/7/14, 2:41 PM, Neal H. Walfield wrote:
Hi,
It is possible for a bit-flip to change data that is to be written to
disk after its hash has been computed, but before it has been sent to
disk. This is primarily a concern for systems without ECC RAM.
At Mon, 07 Jul 2014 15:09:22 +0200,
Saso Kiselkov wrote:
On 7/7/14, 2:41 PM, Neal H. Walfield wrote:
Hi,
It is possible for a bit-flip to change data that is to be written to
disk after its hash has been computed, but before it has been sent to
disk. This is primarily a concern for
On 7/7/14, 3:33 AM, Jan Schmidt via illumos-zfs wrote:
On Wed, June 25, 2014 at 16:15 (+0200), Keith Wesolowski Via Illumos-zfs wrote:
On Wed, Jun 25, 2014 at 01:47:54PM +0200, Jan Schmidt via illumos-zfs wrote:
That patch looks somewhat promising, though I have not tried it yet. How did
My gut is that adding FEC in software to handle bit errors in RAM is rather
pointless. While this covers a single case of a bit error in a disk block
in the narrow window of time between computation and write to disk, it
leaves a huge wide open barn door for all the other times.
The data for
On 7/7/14, 3:49 PM, Neal H. Walfield wrote:
At Mon, 07 Jul 2014 15:09:22 +0200,
Saso Kiselkov wrote:
On 7/7/14, 2:41 PM, Neal H. Walfield wrote:
Hi,
It is possible for a bit-flip to change data that is to be written to
disk after its hash has been computed, but before it has been sent to
On Mon, Jul 07, 2014 at 09:33:13AM +0200, Jan Schmidt wrote:
... several times (like 10 times each). After that, a full scrub of the pool
succeeded without any messages.
Do you think it is safe to continue using the repaired pool, or would you
still
recommend to recreate it?
What George
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