以前の sar 出力ファイルを読み込もうとすると Invalid system activity file エラーが発生する
Issue
- 最新の sysstat (sar) アップデート後に、以前の sar データを読み込むことができません。
# sar -f /var/log/sa/sa04
Invalid system activity file:/var/log/sa/sa04
File created using sar/sadc from sysstat version 9.0.4
Current sysstat version can no longer read the format of this file (0x2170)
Format of this file had been changed in sysstat-9.0.4-20.el6
due to incompatibility of the certain data types with the current kernel.
For more information, please refer to the description of the "--legacy"
option in the sar(1) manual page.
Environment
- Red Hat Enterprise Linux 6
- sysstat-9.0.4-22.el6 以降
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