[OmniOS-discuss] l2arc cache size 16.0E
Artyom Zhandarovsky
bardishe at gmail.com
Sat Nov 26 18:46:43 UTC 2016
Hi everyone.
I have a situation with incorrect size of l2arc cache ssd`s, as for me this
is because of compression
current compressratio is
DR_data/volume_0 compressratio 1.69x -
Is there some fix to solve, cause i think it is not good. But if it wont
affect system stability well i think i can live with this sometime...
size of SSD`s is 200Gb
capacity operations bandwidth
pool alloc free read write read write
----------- ----- ----- ----- ----- ----- -----
DR_data 2.85T 40.6T 0 80 19.1K 831K
raidz1 981G 13.5T 0 21 11.4K 196K
c4t1d0 - - 0 6 1.65K 29.8K
c4t2d0 - - 0 4 1.56K 28.7K
c4t3d0 - - 0 6 1.10K 29.6K
c4t4d0 - - 0 5 1.65K 29.0K
c4t5d0 - - 0 6 1.56K 30.2K
c4t6d0 - - 0 6 1.56K 29.5K
c4t7d0 - - 0 6 1.74K 29.9K
c4t8d0 - - 0 6 563 29.8K
raidz1 949G 13.6T 0 21 0 201K
c4t10d0 - - 0 6 0 30.4K
c4t11d0 - - 0 5 0 29.5K
c4t12d0 - - 0 6 0 30.2K
c4t13d0 - - 0 5 0 29.7K
c4t14d0 - - 0 6 0 30.7K
c4t15d0 - - 0 6 0 30.5K
c4t16d0 - - 0 6 0 30.5K
c4t9d0 - - 0 6 0 30.5K
raidz1 991G 13.5T 0 20 7.71K 159K
c4t17d0 - - 0 6 1.10K 24.8K
c4t18d0 - - 0 5 563 24.4K
c4t19d0 - - 0 5 1.19K 24.5K
c4t20d0 - - 0 6 563 24.5K
c4t21d0 - - 0 5 1.10K 24.4K
c4t22d0 - - 0 4 1.10K 23.1K
c4t23d0 - - 0 5 1.10K 24.3K
c4t24d0 - - 0 5 1.01K 23.8K
logs - - - - - -
c1t1d0 4.82M 186G 0 8 0 144K
c1t2d0 4.73M 186G 0 8 0 131K
cache - - - - - -
* c1t3d0 291G 16.0E 0 0 3.30K 0*
* c1t4d0 291G 16.0E 0 0 15.8K 0*
----------- ----- ----- ----- ----- ----- -----
oot at kup-san-02:/root# zpool status -v DR_data
pool: DR_data
state: ONLINE
scan: none requested
config:
NAME STATE READ WRITE CKSUM
DR_data ONLINE 0 0 0
raidz1-0 ONLINE 0 0 0
c4t1d0 ONLINE 0 0 0
c4t2d0 ONLINE 0 0 0
c4t3d0 ONLINE 0 0 0
c4t4d0 ONLINE 0 0 0
c4t5d0 ONLINE 0 0 0
c4t6d0 ONLINE 0 0 0
c4t7d0 ONLINE 0 0 0
c4t8d0 ONLINE 0 0 0
raidz1-1 ONLINE 0 0 0
c4t10d0 ONLINE 0 0 0
c4t11d0 ONLINE 0 0 0
c4t12d0 ONLINE 0 0 0
c4t13d0 ONLINE 0 0 0
c4t14d0 ONLINE 0 0 0
c4t15d0 ONLINE 0 0 0
c4t16d0 ONLINE 0 0 0
c4t9d0 ONLINE 0 0 0
raidz1-2 ONLINE 0 0 0
c4t17d0 ONLINE 0 0 0
c4t18d0 ONLINE 0 0 0
c4t19d0 ONLINE 0 0 0
c4t20d0 ONLINE 0 0 0
c4t21d0 ONLINE 0 0 0
c4t22d0 ONLINE 0 0 0
c4t23d0 ONLINE 0 0 0
c4t24d0 ONLINE 0 0 0
logs
c1t1d0 ONLINE 0 0 0
c1t2d0 ONLINE 0 0 0
cache
c1t3d0 ONLINE 0 0 0
c1t4d0 ONLINE 0 0 0
spares
c4t0d0 AVAIL
errors: No known data errors
root at kup-san-02:/root#
root at kup-san-02:/root# zpool list -v DR_data
NAME SIZE ALLOC FREE EXPANDSZ FRAG CAP DEDUP HEALTH
ALTROOT
DR_data 43.5T 2.85T 40.6T - 4% 6% 1.00x ONLINE -
raidz1 14.5T 981G 13.5T - 4% 6%
c4t1d0 - - - - - -
c4t2d0 - - - - - -
c4t3d0 - - - - - -
c4t4d0 - - - - - -
c4t5d0 - - - - - -
c4t6d0 - - - - - -
c4t7d0 - - - - - -
c4t8d0 - - - - - -
raidz1 14.5T 949G 13.6T - 4% 6%
c4t10d0 - - - - - -
c4t11d0 - - - - - -
c4t12d0 - - - - - -
c4t13d0 - - - - - -
c4t14d0 - - - - - -
c4t15d0 - - - - - -
c4t16d0 - - - - - -
c4t9d0 - - - - - -
raidz1 14.5T 991G 13.5T - 4% 6%
c4t17d0 - - - - - -
c4t18d0 - - - - - -
c4t19d0 - - - - - -
c4t20d0 - - - - - -
c4t21d0 - - - - - -
c4t22d0 - - - - - -
c4t23d0 - - - - - -
c4t24d0 - - - - - -
log - - - - - -
c1t1d0 186G 5.13M 186G - 8% 0%
c1t2d0 186G 5.13M 186G - 7% 0%
cache - - - - - -
c1t3d0 186G 291G 16.0E - 0% 156%
c1t4d0 186G 291G 16.0E - 0% 156%
spare - - - - - -
c4t0d0 - - - - - -
root at kup-san-02:/root#
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