zram 设备为什么重启数据不会丢？

[owenliang]

N1 盒子刷的 armbian，/var/log 是块 zram 内存盘，可是重启后日志都在，请问这是什么配置导致的，如何查看。

[hjc4869]

真相在 /var/log.hdd

[zjsxwc]

保存在硬盘

[owenliang]

@hjc4869 果然，知道配置在哪里么。

[owenliang]

@hjc4869 知道了

root@aml:~# cat /lib/systemd/system/armbian-ramlog.service
# Armbian ramlog service
# Stores logs in (compressed) memory
# This service may block the boot process for up to 30 sec

[Unit]
Description=Armbian memory supported logging
DefaultDependencies=no
Before=rsyslog.service sysinit.target syslog.target
After=armbian-zram-config.service
Conflicts=shutdown.target
RequiresMountsFor=/var/log /var/log.hdd
IgnoreOnIsolate=yes

[Service]
Type=oneshot
ExecStart=/usr/lib/armbian/armbian-ramlog start
ExecStop=/usr/lib/armbian/armbian-ramlog stop
ExecReload=/usr/lib/armbian/armbian-ramlog write
RemainAfterExit=yes
TimeoutStartSec=30sec

[Install]
WantedBy=sysinit.target