Zfs
在 ZFS 池上使用 zdb 獲取最新 txg 值和 Uberblock 的數組
可以導入池。如何
txg使用 找到舊值列表zdb，以便嘗試回滾到其中一個版本。
下面將轉儲一個包含 32 個 Uberblock 的數組，以及它們的日期和
txg值。$ zdb -e darkpool -ul ... Uberblock[0] magic = 0000000000bab10c version = 5000 txg = 23227136 guid_sum = 14295331914005933530 timestamp = 1580580010 UTC = Sat Feb 1 13:00:10 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[1] magic = 0000000000bab10c version = 5000 txg = 23226049 guid_sum = 14295331914005933530 timestamp = 1580574611 UTC = Sat Feb 1 11:30:11 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[2] magic = 0000000000bab10c version = 5000 txg = 23225890 guid_sum = 14295331914005933530 timestamp = 1580573825 UTC = Sat Feb 1 11:17:05 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[3] magic = 0000000000bab10c version = 5000 txg = 23225891 guid_sum = 14295331914005933530 timestamp = 1580573826 UTC = Sat Feb 1 11:17:06 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[4] magic = 0000000000bab10c version = 5000 txg = 23225892 guid_sum = 14295331914005933530 timestamp = 1580573832 UTC = Sat Feb 1 11:17:12 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[5] magic = 0000000000bab10c version = 5000 txg = 23226405 guid_sum = 14295331914005933530 timestamp = 1580576402 UTC = Sat Feb 1 12:00:02 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[6] magic = 0000000000bab10c version = 5000 txg = 23226950 guid_sum = 14295331914005933530 timestamp = 1580579102 UTC = Sat Feb 1 12:45:02 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[7] magic = 0000000000bab10c version = 5000 txg = 23226951 guid_sum = 14295331914005933530 timestamp = 1580579103 UTC = Sat Feb 1 12:45:03 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[8] magic = 0000000000bab10c version = 5000 txg = 23226952 guid_sum = 14295331914005933530 timestamp = 1580579104 UTC = Sat Feb 1 12:45:04 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[9] magic = 0000000000bab10c version = 5000 txg = 23226953 guid_sum = 14295331914005933530 timestamp = 1580579105 UTC = Sat Feb 1 12:45:05 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[10] magic = 0000000000bab10c version = 5000 txg = 23226954 guid_sum = 14295331914005933530 timestamp = 1580579106 UTC = Sat Feb 1 12:45:06 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[11] magic = 0000000000bab10c version = 5000 txg = 23227339 guid_sum = 14295331914005933530 timestamp = 1580581022 UTC = Sat Feb 1 13:17:02 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[12] magic = 0000000000bab10c version = 5000 txg = 23227340 guid_sum = 14295331914005933530 timestamp = 1580581023 UTC = Sat Feb 1 13:17:03 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[13] magic = 0000000000bab10c version = 5000 txg = 23227341 guid_sum = 14295331914005933530 timestamp = 1580581024 UTC = Sat Feb 1 13:17:04 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[14] magic = 0000000000bab10c version = 5000 txg = 23227342 guid_sum = 14295331914005933530 timestamp = 1580581025 UTC = Sat Feb 1 13:17:05 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[15] magic = 0000000000bab10c version = 5000 txg = 23227343 guid_sum = 14295331914005933530 timestamp = 1580581025 UTC = Sat Feb 1 13:17:05 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[16] magic = 0000000000bab10c version = 5000 txg = 23227344 guid_sum = 14295331914005933530 timestamp = 1580581026 UTC = Sat Feb 1 13:17:06 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[17] magic = 0000000000bab10c version = 5000 txg = 23227345 guid_sum = 14295331914005933530 timestamp = 1580581031 UTC = Sat Feb 1 13:17:11 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[18] magic = 0000000000bab10c version = 5000 txg = 23227314 guid_sum = 14295331914005933530 timestamp = 1580580903 UTC = Sat Feb 1 13:15:03 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[19] magic = 0000000000bab10c version = 5000 txg = 23227315 guid_sum = 14295331914005933530 timestamp = 1580580904 UTC = Sat Feb 1 13:15:04 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[20] magic = 0000000000bab10c version = 5000 txg = 23227316 guid_sum = 14295331914005933530 timestamp = 1580580905 UTC = Sat Feb 1 13:15:05 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[21] magic = 0000000000bab10c version = 5000 txg = 23227317 guid_sum = 14295331914005933530 timestamp = 1580580910 UTC = Sat Feb 1 13:15:10 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[22] magic = 0000000000bab10c version = 5000 txg = 23226774 guid_sum = 14295331914005933530 timestamp = 1580578205 UTC = Sat Feb 1 12:30:05 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[23] magic = 0000000000bab10c version = 5000 txg = 23226775 guid_sum = 14295331914005933530 timestamp = 1580578206 UTC = Sat Feb 1 12:30:06 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[24] magic = 0000000000bab10c version = 5000 txg = 23226776 guid_sum = 14295331914005933530 timestamp = 1580578211 UTC = Sat Feb 1 12:30:11 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[25] magic = 0000000000bab10c version = 5000 txg = 23226617 guid_sum = 14295331914005933530 timestamp = 1580577425 UTC = Sat Feb 1 12:17:05 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[26] magic = 0000000000bab10c version = 5000 txg = 23227130 guid_sum = 14295331914005933530 timestamp = 1580580001 UTC = Sat Feb 1 13:00:01 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[27] magic = 0000000000bab10c version = 5000 txg = 23227131 guid_sum = 14295331914005933530 timestamp = 1580580002 UTC = Sat Feb 1 13:00:02 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[28] magic = 0000000000bab10c version = 5000 txg = 23227132 guid_sum = 14295331914005933530 timestamp = 1580580003 UTC = Sat Feb 1 13:00:03 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[29] magic = 0000000000bab10c version = 5000 txg = 23227133 guid_sum = 14295331914005933530 timestamp = 1580580003 UTC = Sat Feb 1 13:00:03 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[30] magic = 0000000000bab10c version = 5000 txg = 23227134 guid_sum = 14295331914005933530 timestamp = 1580580004 UTC = Sat Feb 1 13:00:04 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 Uberblock[31] magic = 0000000000bab10c version = 5000 txg = 23227135 guid_sum = 14295331914005933530 timestamp = 1580580005 UTC = Sat Feb 1 13:00:05 2020 mmp_magic = 00000000a11cea11 mmp_delay = 0 labels = 0 1 2 3 ...