hi James
here is the out put you've requested
abdul...@hp_hdx_16:~/Downloads# zpool status -v
pool: hdd
state: ONLINE
scrub: none requested
config:
NAME STATE READ WRITE CKSUM
hdd ONLINE 0 0 0
c7t0d0p3 ONLINE 0 0 0
cache
c8t0d0p0 ONLINE 0 0 0
errors: No known data errors
pool: rpool
state: ONLINE
scrub: none requested
config:
NAME STATE READ WRITE CKSUM
rpool ONLINE 0 0 0
c7t0d0s0 ONLINE 0 0 0
-----------------------
abdul...@hp_hdx_16:~/Downloads# zpool iostat -v hdd
capacity operations bandwidth
pool used avail read write read write
---------- ----- ----- ----- ----- ----- -----
hdd 1.96G 17.7G 10 64 1.27M 7.76M
c7t0d0p3 1.96G 17.7G 10 64 1.27M 7.76M
cache - - - - - -
c8t0d0p0 *2.87G* 12.0G 0 17 103 2.19M
---------- ----- ----- ----- ----- ----- -----
abdul...@hp_hdx_16:~/Downloads# kstat -m zfs
module: zfs instance: 0
name: arcstats class: misc
c 2147483648
c_max 2147483648
c_min 268435456
crtime 34.558539423
data_size 2078015488
deleted 9816
demand_data_hits 382992
demand_data_misses 20579
demand_metadata_hits 74629
demand_metadata_misses 6434
evict_skip 21073
hash_chain_max 5
hash_chains 7032
hash_collisions 31409
hash_elements 36568
hash_elements_max 36568
hdr_size 7827792
hits 481410
l2_abort_lowmem 0
l2_cksum_bad 0
l2_evict_lock_retry 0
l2_evict_reading 0
l2_feeds 1157
l2_free_on_write 475
l2_hdr_size 0
l2_hits 0
l2_io_error 0
l2_misses 14997
l2_read_bytes 0
l2_rw_clash 0
l2_size 588342784
l2_write_bytes 3085701632
l2_writes_done 194
l2_writes_error 0
l2_writes_hdr_miss 0
l2_writes_sent 194
memory_throttle_count 0
mfu_ghost_hits 9410
mfu_hits 343112
misses 33011
mru_ghost_hits 4609
mru_hits 116739
mutex_miss 90
other_size 51590832
p 1320449024
prefetch_data_hits 4775
prefetch_data_misses 1694
prefetch_metadata_hits 19014
prefetch_metadata_misses 4304
recycle_miss 484
size 2137434112
snaptime 1945.241664714
module: zfs instance: 0
name: vdev_cache_stats class: misc
crtime 34.558587713
delegations 3415
hits 5578
misses 3647
snaptime 1945.243484925
On Fri, Mar 5, 2010 at 9:02 PM, James Dickens <[email protected]> wrote:
> please post the output of zpool status -v.
>
>
> Thanks
>
> James Dickens
>
>
> On Fri, Mar 5, 2010 at 3:46 AM, Abdullah Al-Dahlawi <[email protected]>wrote:
>
>> Greeting All
>>
>> I have create a pool that consists oh a hard disk and a ssd as a cache
>>
>> zpool create hdd c11t0d0p3
>> zpool add hdd cache c8t0d0p0 - cache device
>>
>> I ran an OLTP bench mark to emulate a DMBS
>>
>> One I ran the benchmark, the pool started create the database file on the
>> ssd cache device ???????????
>>
>>
>> can any one explain why this happening ?
>>
>> is not L2ARC is used to absorb the evicted data from ARC ?
>>
>> why it is used this way ???
>>
>>
>>
>>
>>
>> --
>> Abdullah Al-Dahlawi
>> George Washington University
>> Department. Of Electrical & Computer Engineering
>> ----
>> Check The Fastest 500 Super Computers Worldwide
>> http://www.top500.org/list/2009/11/100
>>
>> _______________________________________________
>> zfs-discuss mailing list
>> [email protected]
>> http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
>>
>>
>
--
Abdullah Al-Dahlawi
PhD Candidate
George Washington University
Department. Of Electrical & Computer Engineering
----
Check The Fastest 500 Super Computers Worldwide
http://www.top500.org/list/2009/11/100
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