Hi,
I am running OmniOS r151020 on an Intel S2600WTTR with two Intel(R)
Xeon(R) CPU E5-2640 v4 @ 2.40GHz CPU and 256GB of memory.
The zpool scratch is made up of 16 x 600GB 15K rpm SAS drives with a
DDRdrive as log and a 750GB INTEL-SSDPEDMD800G4 NVME card as cache.
When I run du I see a lot of L2misses from arcstat also the L2size seems
a lot bigger than the used size shown by zpool iostat scratch.
Why does du generate writes?
Is this normal?
Cheers
Richard
root@hosta:/scratch# du -sh *
201M dir01
59G dir02
136K dir03
6.7G dir04
1.4G dir05
133K dir06
726K dir07
6.6G dir08
268K dir09
12G dir10
146K dir11
137M dir12
29G dir13
3.9G dir14
83M dir15
244M dir16
201M dir17
382K dir18
242M dir19
199M dir20
405K dir21
root@hosts:/scratch#
07:44:53 0 0 0 0 0 0 0 0
118G 607G
07:45:03 3.4K 1.0K 2.4K 29 2.4K 0 2.4K 0
118G 607G
07:45:13 41K 30K 10K 73 10K 0 10K 0
119G 607G
07:45:23 40K 23K 17K 57 17K 0 17K 0
119G 607G
time read hits miss hit% l2read l2hits l2miss l2hit% arcsz
l2size
07:45:33 44K 21K 23K 48 23K 0 23K 0
119G 607G
07:45:43 46K 28K 18K 59 18K 0 18K 0
119G 607G
07:45:53 24K 7.2K 17K 29 17K 0 17K 0
119G 607G
07:46:03 1 1 0 90 0 0 0 0
119G 607G
07:46:13 0 0 0 100 0 0 0 0
119G 607G
17 March 2017 07:46:16 GMT
capacity operations bandwidth
pool alloc free read write read write
-------------------------- ----- ----- ----- ----- ----- -----
scratch 118G 3.07T 0 0 0 0
mirror 19.6G 524G 0 0 0 0
c5t5000CCA018364819d0 - - 0 0 0 0
c6t5000CCA018355AF1d0 - - 0 0 0 0
mirror 19.7G 524G 0 0 0 0
c7t5000CCA018330A55d0 - - 0 0 0 0
c8t5000CCA0183561F5d0 - - 0 0 0 0
mirror 19.7G 524G 0 0 0 0
c9t5000CCA01832FA21d0 - - 0 0 0 0
c10t5000CCA018356271d0 - - 0 0 0 0
mirror 19.5G 524G 0 0 0 0
c11t5000CCA01830A3E1d0 - - 0 0 0 0
c12t5000CCA018331455d0 - - 0 0 0 0
mirror 19.5G 524G 0 0 0 0
c13t5000CCA018356211d0 - - 0 0 0 0
c14t5000CCA018339B1Dd0 - - 0 0 0 0
mirror 19.6G 524G 0 0 0 0
c15t5000CCA01837D171d0 - - 0 0 0 0
c16t5000CCA0387184FDd0 - - 0 0 0 0
logs - - - - - -
c21t0d0 128K 3.84G 0 0 0 0
cache - - - - - -
c17t1d0 109G 636G 0 115 0 294K
-------------------------- ----- ----- ----- ----- ----- -----
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