All,
After searching the mailing list archives, Deja's
comp.databases.postgresql.* archives, the Postgres docs, and Google I cannot
find an answer to a strange error I am seeing, so I seek your wisdom.
I am running Postgresql 7.1.1 compiled with GCC 2.95.2 on a Sun 220
Solaris 2.8 box and am experiencing the following error:
DEBUG: mdblindwrt: close() failed: Resource temporarily unavailable
ERROR: cannot write block 44 of 2139949/2405766 blind: Resource temporarily
unavailable
The block numbers are different each time the error occurs but the message
is the same each time. The error typically occurs once or twice a day, but
sometimes it occurs three ties in a row. The error usually crops up during
large INSERTS or SELECTS. A user process attached to the database (we have
JDBC, DBI, and direct psql access occurring simultaneously) that encounters
the error can re-attempt the query after about 10 seconds and it will
succeed. The Postgresql database has been vacuumdb'ed.
I increased WAL_FILES to 4 and set the Solaris shared memory settings to
the documentation's recommended setting and the rate of errors seemed to
decrease slightly but I could just be imagining things. ;) The database
resides on an NFS mount served by a Network Appliance. We have a Versant
OODB running over the same NFS mounts without problems.
Any pointers or suggestions would be greatly appreciated.
Stuart Stock
Banc of America, LLC
Program Trading
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