If you encounter an out of space error in IQ_SYSTEM_MAIN which brings down your coordinator node, the normal recovery procedure can appear blocked if your multiplex has a DAS dbspace. This blog shows you how to work around the issue, and bring your multiplex back online.
Issue:
You have a multiplex with at least one DAS dbspace. The coordinator node fails with an error indicating an out of space condition in IQ_SYSTEM_MAIN.
Solution:
Run sp_iqcheckdb in dropleaks mode twice: first against IQ_SYSTEM_MAIN, and then against your DAS dbspace:
◦Single-node (-iqmpx_sn)
◦Override (-iqmpx_ov)
◦Forced recovery (-iqfrec)
Example:
start_iq -n mpx_abc123_m -x tcpip'{port=9612}' -iqmpx_sn 1 -iqmpx_ov 1 -iqfrec mpx_abc123.db /machinedqp- c2/users/your_name/sp12/abc/mpx/m/mpx_abc123.db
sp_iqcheckdb ('dropleaks dbspace IQ_SYSTEM_MAIN'); checkpoint;
Example:
sp_iqcheckdb ('dropleaks dbspace '); checkpoint;
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