diff options
Diffstat (limited to '080_blog/00015_Admin/00030_Fixing-HDD')
| -rw-r--r-- | 080_blog/00015_Admin/00030_Fixing-HDD/index.md | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/080_blog/00015_Admin/00030_Fixing-HDD/index.md b/080_blog/00015_Admin/00030_Fixing-HDD/index.md deleted file mode 100644 index 0bae730..0000000 --- a/080_blog/00015_Admin/00030_Fixing-HDD/index.md +++ /dev/null @@ -1,48 +0,0 @@ -# Fixing HDD after Free Falling - -So you also dropped your hard-disk and some of your secotrs got damaged, -probably by the head hitting the platter? - -Backup all your data. - -## smartctl - -Try from fastest to slowest to find faulty sector: replace LBAi\_START,LBA\_END with meaningful values. - - smartctl -t [long|conveyence|short|select,LBA_START-LBA_END] -C /dev/sda - -## hdparm - -Bi-search via –read-sector if complete ranges are affected (as in my case) and then fix them in one step: - - for i in {36312851..36312886}; do hdparm --write-sector $i /dev/sda; done - -## Example - -Exemplary session fixing one sector: - -**WARNING: this will destroy your data !** - - 1) # smartctl -a /dev/sda | egrep 'Pend|Real|Offline_Unc' - - 5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always - 4 - 197 Current_Pending_Sector 0x0012 098 098 000 Old_age Always - 47 - 198 Offline_Uncorrectable 0x0010 098 098 000 Old_age Offline - 47 - - 2) # smartctl -t short /dev/sda - - 3) # smartctl -l selftest /dev/sda - - [...] 1 Short offline Completed: read failure 90% 10632 152076520 - - 4) # hdparm --read-sector 152076520 /dev/sda # verification - - [...] reading sector 152076520: FAILED: Input/output error - - 5) # hdparm --write-sector 152076520 /dev/sda - - 6) # smartctl -a /dev/sda | egrep 'Pend|Real|Offline_Unc' - - 5 Reallocated_Sector_Ct 0x0033 100 100 036 Pre-fail Always - 4 - 197 Current_Pending_Sector 0x0012 098 098 000 Old_age Always - 46 - 198 Offline_Uncorrectable 0x0010 098 098 000 Old_age Offline - 46 |