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Former Member
Aug 19, 2015 at 10:18 AM

After System Copy: MaxDB won't come up

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Dear all,

we performed a remote homogenous System Copy MaxDB on Linux with Backup/Restore procedure. The "recover_start <medium> DATA AUTOIGNORE" succeeded with RC=0 (8-time parallel backup files).

When we try to start the Database with "db_online", the process won't terminate and the Database stays in state "ADMIN". KNLMSG doesn't get new entries, the last ones are:

Thread 0x4A81 Task 120 2015-08-19 11:10:40 dynpool 54003: DYNP_K51_LOCK_LIST : 90543136 Thread 0x4A81 Task 120 2015-08-19 11:10:40 dynpool 54003: LOCK maxlocks : 300000 Thread 0x4A81 Task 120 2015-08-19 11:10:40 dynpool 54003: LOCK items : 902400 Thread 0x4A81 Task 120 2015-08-19 11:10:40 dynpool 54003: LOCK Regions : 24 Thread 0x4A81 Task 120 2015-08-19 11:10:40 dynpool 54003: LOCK TransRegions : 8 Thread 0x4A81 Task 120 2015-08-19 11:10:40 dynpool 54003: LOCK RegionGlob+Space : 3840 Thread 0x4A81 Task 120 2015-08-19 11:10:40 dynpool 54003: LOCK TransGlob : 768 Thread 0x4A81 Task 120 2015-08-19 11:10:40 dynpool 54003: LOCK SupplyItemsPerRgn : 100 Thread 0x4A81 Task 120 2015-08-19 11:10:40 dynpool 54003: LOCK SupplySize : 230400 Thread 0x4A81 Task 120 2015-08-19 11:10:40 dynpool 54003: LOCK RowHash entries : 300000 Thread 0x4A81 Task 120 2015-08-19 11:10:40 dynpool 54003: LOCK TabHash entries : 60000 Thread 0x4A81 Task 120 2015-08-19 11:10:40 dynpool 54003: LOCK Row+Tab hash size :2880000 Thread 0x4A81 Task 120 2015-08-19 11:10:40 dynpool 54003: LOCK Trans entries : 1776 Thread 0x4A81 Task 120 2015-08-19 11:10:40 dynpool 54003: LOCK trans_list size : 639360 Thread 0x4A81 Task 120 2015-08-19 11:10:40 dynpool 54003: LOCK TransPtrList : 14208 Thread 0x4A81 Task 120 2015-08-19 11:10:40 dynpool 54003: LOCK TransHash entries : 1776 Thread 0x4A81 Task 120 2015-08-19 11:10:40 dynpool 54003: LOCK TransHash size : 14208 Thread 0x4A81 Task 120 2015-08-19 11:10:40 dynpool 54003: LOCK SupplyPoolSegments: 9000 Thread 0x4A81 Task 120 2015-08-19 11:10:40 dynpool 54003: LOCK SupplyPoolSize : 86616000

"db_cons show task" shows one interesting task

T120 8 19073 User 19035 IO Wait (R) 10 45 54(r)

--> what is he waiting for?

"param_checkall" says OK.

Any helpful hints will be greatly appreciated. The target Database Release is the same as in Source: 7.8.02.035 (we took the 7.8.02.031 installation package and patched it).

Kind regards,

Dirk