On Sun, Sep 21, 2008 at 10:26 AM, Nataraj <[EMAIL PROTECTED]> wrote:
> Does software raid 1 compare checksums or otherwise verify that the same
> bits are coming from both disks during reads? What I'm interested in,
No. Reads are distributed over disks to increase performance.
> is whether bit e
Nataraj wrote:
Thank you John. I'm pretty sure that raid 5 or 6 would be safe, since
there is parity checking, however it sounds like this may not be the
case for raid 1.
the parity on raid5/6 is only checked if you run some sort of scrub, and
its used to regenerate a failed drive onto a s
On Sun, 2008-09-21 at 11:12 -0700, John R Pierce wrote:
> Nataraj wrote:
> > Does software raid 1 compare checksums or otherwise verify that the same
> > bits are coming from both disks during reads? What I'm interested in,
> > is whether bit errors that were somehow undetected by the hardware wou
Nataraj wrote:
Does software raid 1 compare checksums or otherwise verify that the same
bits are coming from both disks during reads? What I'm interested in,
is whether bit errors that were somehow undetected by the hardware would
be detected by the raid 1 software.
under normal operation,
Does software raid 1 compare checksums or otherwise verify that the same
bits are coming from both disks during reads? What I'm interested in,
is whether bit errors that were somehow undetected by the hardware would
be detected by the raid 1 software.
Thanks,
Nataraj
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