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Re: Hitachi 1TB HDD's, NetBSD 6.0.1 and RAID1 - soft errors and clicking noises!
On 8/02/2013 10:00 AM, Greg Troxel wrote:
Carl Brewer <carl%bl.echidna.id.au@localhost> writes:
tty cd0 wd0 wd1 CPU
tin tout KB/t t/s MB/s KB/t t/s MB/s KB/t t/s MB/s us ni
sy in id
0 67 0.000 0 0.000 63.90 25 1.542 52.36 31 1.600 0 0
4 25 72
You can also use 'systat vmstat', which shows the same info, but I
prefer it; with a window with more than 24 lines, it can show more
I would try to test the drives with dd, separate from raidframe.
But, a 1TB drive, assuming 80 MB/s, should take about 3.6h, so
someth9ing is off.
Your iostat output shows 1.5 MB/s, which is not healthy.
Also, you might check your SATA cables.
I've removed & reseated the SATA cables, no difference. systat vmstat
Disks: wd0 wd1 raid0 1024 fmin
seeks 1365 ftarg
xfers 25 27 2 itarg
bytes 1602K 1621K 24K 1506 wired
%busy 95.7 98.3 pdfre
top also shows :
load averages: 0.15, 0.11, 0.06; up 0+00:07:38
24 processes: 21 sleeping, 3 on CPU
CPU0 states: 0.0% user, 0.0% nice, 0.0% system, 100% interrupt,
CPU1 states: 0.0% user, 0.0% nice, 21.4% system, 0.0% interrupt,
CPU2 states: 0.0% user, 0.0% nice, 4.5% system, 0.0% interrupt,
CPU3 states: 0.0% user, 0.0% nice, 0.0% system, 0.0% interrupt,
Memory: 46M Act, 6024K Wired, 8440K Exec, 29M File, 3738M Free
Swap: 4096M Total, 4096M Free
Something's driving CPU0 to 100% interrupts. I'm guessing that's the
I think the drives are running at close to 100% "busy". I guess I
should dd wd0 and see how long it takes? wd1 seems to be fine, it did a
newfs in ~15 mins from memory on the raid0 array
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