I recently started seeing the following in the logs: ERROR: could not read block 46 of relation pg_tblspc/16385/8578554/11521501: Input/output error CONTEXT: automatic vacuum of table "foo.pg_toast.pg_toast_8578780" This is a Slony-I 1.2.21 slave, which runs 8.4.3 on RHEL 5.5. This toast relation is the toast of an index of one of the most frequently used tables. Is this *definitely* a disk error, or could it be related to PostgreSQL itself? I'm in the process of replacing disks, but I wanted to make sure. Regards, -- Devrim GÜNDÜZ PostgreSQL Danışmanı/Consultant, Red Hat Certified Engineer PostgreSQL RPM Repository: http://yum.pgrpms.org Community: devrim~PostgreSQL.org, devrim.gunduz~linux.org.tr http://www.gunduz.org Twitter: http://twitter.com/devrimgunduz
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