Joe Peterson wrote:
Julian Elischer wrote:
it could be an old file..
what kind of disks?
It's a Seagate ST3500630A parallel ATA drive.
I had a scenario where 3ware controllers were just failing to write to
a drive in the array, so old data showed through.
I have an Intel ICH4 controller - nothing unusual.
the filesystem and the partitions and the raids all were on different
alignments so teh only part of the system that had a boundary that
aligned with the bad data was the physical stripes laid down by the
controller. It was 64k stripes and 64k data missing, exactly on
stripe boundaries. Due to the fact that FreeBSD had partitioned the
drive staring at 63 blocks in, nothing else aligned with the problem.
Hmm, well this is a straight-forward disk situation - never used RAID on
this drive. Give what is happening, I wonder the changes of it being
HW, OS, or a filesystem issue.
-Joe
still, see whether the 64k lines up with the drive or with
the filesystem (if the filesystem is not on an exact 64k boundary
of the drive).
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