On Thu, Jun 11, 2020, at 11:05 AM, Dan Ritter wrote:
> Matthew Campbell wrote:
> > The process is complete. The 4 TB drive has been successfully blanked in
> > less than 40 hours using dd. It got done between 11 pm last night and 12 am
> > this morning. dd showed an overall average write speed
On Thu, Jun 11, 2020, 2:05 PM Dan Ritter wrote:
> Matthew Campbell wrote:
> > The process is complete. The 4 TB drive has been successfully blanked in
> less than 40 hours using dd. It got done between 11 pm last night and 12 am
> this morning. dd showed an overall average write speed of 28.4
Matthew Campbell wrote:
> The process is complete. The 4 TB drive has been successfully blanked in less
> than 40 hours using dd. It got done between 11 pm last night and 12 am this
> morning. dd showed an overall average write speed of 28.4 MB/s. It was never
> my intention to start a war. My
On 2020-06-10 10:13, Matthew Campbell wrote:
I ran a read test first to look for bad sectors on the new hard drive to see if it was damaged by the shipping process.
I use the manufacture toolkit to test and verify drives.
Now I am writing to each sector, after looking around on the drive to
I wipe a new drive for two reasons.
1) I like to make sure it's nice and clean which makes me comfortable. It
bothers me if I don't.
2) I can make a reasonable determination about which sectors were used when
setting up the partition table(s) and any boot loaders so I know which sectors
were
I have started the process over from the beginning. It seems to respond well to
obs=4M as the write speed has gone from 3.7 MB/s to 28.2 MB/s, which is about
the same as where it was with obs=1M. It should take a couple of days to
complete this write process.
The WD drive that I have, which is
This means that reads and writes should be on 4KiB boundaries, and writes
should be multiples of 4KiB, for optimal performance. As long as those criteria
are met, there's no harm and some real benefits of reading and writing larger
blocks than the minimum.
One example benefit, among several
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