Hi David et al,
On Tue, Mar 30, 2010 at 3:59 PM, David Burgess <[email protected]> wrote:
>
> One SSD to rule them all. You could keep /home on a platter if you
> need a lot of space for it.
>
For context I have 16 Gig's of of RAM and 4 Cores ~3.Ghz.
Are SSD write times comparable with SAS? I wasn't aware of that. I'll
take a look.
Here's what iostat told me during one recent bit of misery. When I see
nearly 30K Blks_wrtn/s is it
reasonable to conclude that 30K * 4092 (ext 3 blk size) 122.8 m bytes
sec? That seems pretty high. Am I crazy?
avg-cpu: %user %nice %system %iowait %steal %idle
1.66 0.00 0.72 0.57 0.00 97.04
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 9.46 34.69 185.84 11699273 62664296
avg-cpu: %user %nice %system %iowait %steal %idle
36.96 0.00 17.75 21.54 0.00 23.75
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 849.00 644.00 17348.00 1288 34696
avg-cpu: %user %nice %system %iowait %steal %idle
41.77 0.00 23.94 5.24 0.00 29.05
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 604.00 4.00 27908.00 8 55816
avg-cpu: %user %nice %system %iowait %steal %idle
31.11 0.00 12.84 2.96 0.00 53.09
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 223.50 32.00 6600.00 64 13200
avg-cpu: %user %nice %system %iowait %steal %idle
26.14 0.00 19.11 0.12 0.00 54.62
Device: tps Blk_read/s Blk_wrtn/s Blk_read Blk_wrtn
sda 35.50 44.00 996.00 88 1992
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