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Docker が /etc/sysconfig/docker-storage-setup に基づいてシンプールを拡張しない

Solution In Progress - Updated -

Issue

Docker が device-mapper を使用するように設定され、以下のように auto-extend を使用します。

STORAGE_DRIVER="devicemapper"
DEVS=/dev/sdc
WIPE_SIGNATURES=true
VG=dockervg
AUTO_EXTEND_POOL=true
POOL_AUTOEXTEND_THRESHOLD=50
POOL_AUTOEXTEND_PERCENT=20

ただし、しきい値に達すると、VG dockervg は拡張されません。

テスト時の dm-event の出力

[root@unused ~]# journalctl -fu dm-event.service
-- Logs begin at Mon 2018-03-12 08:38:37 GMT. --
Mar 12 11:02:24 unused systemd[1]: Started Device-mapper event daemon.
Mar 12 11:02:24 unused systemd[1]: Starting Device-mapper event daemon...
Mar 12 11:02:24 unused dmeventd[10316]: dmeventd ready for processing.
Mar 12 11:02:24 unused lvm[10316]: Monitoring thin pool dockervg-docker--pool.
Mar 12 11:02:24 localhost.localdomain lvm[18416]: WARNING: Thin pool dockervg-docker--pool data is now 81.40% full.
Mar 12 11:03:24 localhost.localdomain lvm[18416]: WARNING: Thin pool dockervg-docker--pool data is now 87.50% full.
Mar 12 11:04:24 localhost.localdomain lvm[18416]: WARNING: Thin pool dockervg-docker--pool data is now 92.42% full.

Environment

  • Firmware: 1 APIC: 2"と表示される
  • docker

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