On Fri, Nov 27, 2009 at 4:53 AM, Sam Jas <samjas33@xxxxxxxxx> wrote: > > I will check that one. Also i have read one forum which tells that whenever you face disk i/o run "dmesg" command it will give you detail information. Today again i face disk i/o and i have run "dmesg" it has given me below o/p. Can somebody help me to explain what is it telling ? > sd 0:0:3:0: SCSI error: return code = 0x00040000 > end_request: I/O error, dev sdd, sector 16 > Buffer I/O error on device sdd, logical block 2 > Buffer I/O error on device sdd, logical block 3 > sd 0:0:3:0: SCSI error: return code = 0x00040000 > end_request: I/O error, dev sdd, sector 0 Looks like you've got a bad drive. -- Sent via pgsql-general mailing list (pgsql-general@xxxxxxxxxxxxxx) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-general