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linux_test_ssd_trim

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linux_test_ssd_trim [2014/12/29 18:26] – adminlinux_test_ssd_trim [2014/12/29 18:30] – admin
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 =====Test SSD TRIM with LVM===== =====Test SSD TRIM with LVM=====
-  * check if the device report **discard_zeroes_data:1**<code># grep -s "" /sys/block/sda/queue/*+  * check if the device report **discard_zeroes_data:1** The example below does not write zero's!<code># grep -s "" /sys/block/sda/queue/*
 /sys/block/sda/queue/add_random:1 /sys/block/sda/queue/add_random:1
 /sys/block/sda/queue/discard_granularity:512 /sys/block/sda/queue/discard_granularity:512
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 /sys/block/sda/queue/scheduler:noop deadline [cfq] /sys/block/sda/queue/scheduler:noop deadline [cfq]
 /sys/block/sda/queue/write_same_max_bytes:0</code> /sys/block/sda/queue/write_same_max_bytes:0</code>
- 
-cat /sys/block/sda/queue/discard_zeroes_data 
   * Note the LVM PV offset, in this case **1050624**:<code># fdisk -l /dev/sda   * Note the LVM PV offset, in this case **1050624**:<code># fdisk -l /dev/sda
  
linux_test_ssd_trim.txt · Last modified: 2021/10/09 15:14 by 127.0.0.1