Hi guys, please help to clarify.
Do usual postgresql 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.
I've asked about that at postgresql list, and have got an answer that this is
zfs issue?
Is that right? Is that a bug?
Thanks
Roman.
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