Hi, all:
I use device mapper to config a thin-provision for a block device, with dmsetup, with the following command:
Dmsetup create pool –table “0 `blockdev –getsize /dev/sdd1` thin-pool /dev/sdd2 /dev/sdd1 128 0”
Dmsetup message /dev/mapper/pool 0 “create_thin 0”
Dmsetup create snap1 –tabe “0 `blockdev –getsize /dev/sdd3` thin /dev/mapper/pool 0 /dev/sdd3”
Everything works well, but when I reboot the system, the block device is gone, I need to create the pool again…
Anyone has idea on how to make this config persistent? I need to boot the kernel , the dm pool device shows after the MD device found.
Thanks,
Xun
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