Re: pg_dump: Error message from server: ERROR: compressed data is corrupt

Please help,

I cannot understand what should be done in order to fix the issue.

Any hint, I tried search and irc but found nothing useful yet.

On 5/30/07, Roman Chervotkin <roman(dot)chervotkin(at)gmail(dot)com> wrote:
>
> Do usual pg_dump today and have got an error.
>
> ---------------------
> pg_dump: SQL command failed
> pg_dump: Error message from server: ERROR: compressed data is corrupt
> pg_dump: The command was: COPY public.candidates (id, name, surname,
> mid_name, compensation, created, birthday, updated, creator_id, updater_id,
> home_region_id, home_city, home_street, other_languages, home_region_other,
> edu_conformity, sex, deleted, resume_text, resume_text_index, mark, kids,
> driving_license, marital_status, software_knowledge, business_contacts,
> type_writing_rus, type_writing_lat, desired_duties, desired_other,
> updater_name, citizenship, compensation_currency, folder_id, plus,
> random_cat, temp_reg, "temp") TO stdout;
> ----------------------
>
> I had 8.2.0 on Solaris 10 (SunOS server3 5.10 Generic_125101-05 ),
> pg_data_dir on zfs mirrored pool. I've checked status of pool and got:
>
> ----------------------
> -bash-3.00# zpool status tank
> pool: tank
> state: ONLINE
> status: One or more devices has experienced an unrecoverable error. An
> attempt was made to correct the error. Applications are
> unaffected.
> action: Determine if the device needs to be replaced, and clear the errors
> using 'zpool clear' or replace the device with 'zpool replace'.
> see: http://www.sun.com/msg/ZFS-8000-9P
> scrub: scrub completed with 0 errors on Tue May 29 19:46:12 2007
> config:
>
> NAME STATE READ WRITE CKSUM
> tank ONLINE 0 0 0
> mirror ONLINE 0 0 0
> c1t0d0 ONLINE 1 0 0
> c1t4d0 ONLINE 0 0 0
>
> errors: No known data errors
> --------------------------------------------------------
>
> So it seems a drive should be replaced but pool is still functioning. I
> still can copy pg_data_dir to other filesystem without any errors. And
> database seems working as usual. So I guess pg_dump should work but It does
> not. I've upgraded to 8.2.4 but still have the same error. Copy
> pg_data_dir to another file system, start postgres with that data_dir, tried
> pg_dump again but still have the error.
>
> So the question is what should I do in order to pg_dump start working as
> usual?
>
>
> Thanks
> Roman.
>
>
>