Use 'zpool iostat -v ...'. You can review the man page for lots of
options, including latency statistics.
Cameron
On 09/10/2018 11:21 AM, Zeeshan Ali Shah wrote:
Dear All,
Suddenly our lustre installation become dead slow, copying data from
local source to lustre result around 20MB/sec before it was above 600 MB.
i checked zfs status -xv and (all pool healths are ok)
1) How to check which OSTs are involved during data write operation ?
2) How to check Meta data (read and write) stats ?
3) any other advice to drill down the reason ..
/Zeeshan
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