zdb -R question
Patrick Proniewski
patpro at patpro.net
Tue Aug 12 16:33:20 UTC 2014
Hello,
I've a hard drive with corrupt blocks. I would like to know if those blocks belong to a real file.
/var/log/message reads:
smartd[1306]: Device: /dev/ada3, 3 Currently unreadable (pending) sectors
devices ada2 and ada3 are in ZRAID1 mirror.
zpool scrub won't show any error.
smartctl full test find errors:
SMART Self-test log structure revision number 1
Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
../..
# 2 Extended offline Completed: read failure 80% 33003 460087328
../..
# 5 Extended offline Completed: read failure 90% 32936 460087313
I've made some attempts with zdb -R to read faulted sectors, but I keep receiving errors like these ones:
Invalid block specifier: gpt/ben: 460087328:512 - offset must be a multiple of sector size
Invalid block specifier: gpt/ben:409600000:512 - size must be a multiple of sector size
whatever offset and size I try (4096/512), I always receive one of these errors... Any idea?
thanks,
Pat
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