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Re: [GENERAL] could not fdatasync log file: Input/output error - Mailing list pgsql-general

From said assemlal
Subject Re: [GENERAL] could not fdatasync log file: Input/output error
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Msg-id CAHtsRK+Oz1tZiZmxNNRrgT4W600GpQVWeWv1nHQpemE5YiZZbA@mail.gmail.com
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In response to [GENERAL] could not fdatasync log file: Input/output error  (said assemlal <said.assemlal@gmail.com>)
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Just before we restart the server today, I found only one line as:

PANIC:  could not fdatasync log file 000000010000017600000083: Input/output error
the database system is in recovery mode


On Mon, Oct 16, 2017 at 10:43 AM said assemlal <said.assemlal@gmail.com> wrote:
Hi,

The postgresql crashed on friday due to IO errors. It seems that the filesystem puked.

PANIC: could not fdatasync log file 000000010000017600000077: Input/output error
LOG: database system was interrupted; last known up at 2017-10-13 15:26:28 EDT
WARNING: terminating connection because of crash of another server process
FATAL: the database system is in recovery mode

Some errors from the kernel given by the sysadmin:

Buffer I/O error on device dm-3, logical block 2900794
lost page write due to I/O error on dm-3
Buffer I/O error on device dm-3, logical block 2900795
lost page write due to I/O error on dm-3
Buffer I/O error on device dm-3, logical block 2900796
lost page write due to I/O error on dm-3
Buffer I/O error on device dm-3, logical block 2900797
lost page write due to I/O error on dm-3

So we have restarted the server, everything seems to be fine. Should I perform other tests ? Or Should I use a backup to restore the database ?

Thanks for your advice.
Saïd

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