On 11/30/2017 06:30 PM, 彭良彦 wrote:
> If the cache device is not persistent like ramdisk, all data will be lost after reboot. We have to use make-bcache to fix the inconsistent super block of backing device.N�����r��y���b�X��ǧv�^�){.n�+����{�mƜ�觶��ܨ}���Ơz�&j:+v�������zZ+��+zf���h���~����i���z� �w���?����&�)ߢfl===
Using a non-persistent writeback cache is guaranteed to lose data.
(Writes will only go to the cache device and not make it to the
persistent volume).
Mike
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