On 10/26/2012 07:51 PM, Robert Nichols wrote: > On 10/26/2012 06:29 PM, Steven Stern wrote: >> I quite stupidly unplugged my computer today when my foot got tangled in >> the power strip. On reboot, I was notified >> >> Device: /dev/sda [SAT], 8 Offline uncorrectable sectors >> >> Smartctl tells me the problem is at LBA 2014551336 (this is a 2TB disk). >> >> >> Following the info here >> >> http://kaivanov.blogspot.com/2010/09/fixing-disk-problems-under-linux-with.html >> >> >> I'm not able to determine what file might be sitting on this block. >> >> tune2fs -l /dev/sda5 |grep Block >> Block count: 472552448 >> Block size: 4096 >> Blocks per group: 32768 >> [root@sds-desk-2 ~]# debugfs >> debugfs 1.42.3 (14-May-2012) >> debugfs: open /dev/sda5 >> debugfs: icheck 235992741 >> Block Inode number >> 235992741 8 >> debugfs: ncheck 8 >> Inode Pathname >> >> This suggests that the problem is not in a currently extant file. >> >> I'm now trying the suggestion of writing from /dev/zero to a file in >> /home while in single users mode. Given that I have 1.5TB to fill, >> this could take a while. >> >> Here's the question: If I just reformat and restore /home from a >> recent backup, will the disk automatically deal with the sectors >> pending reallocation? > > The pending sectors will be reallocated only when they are written to. > Unless > invoked with the very slow "-cc" option, mke{2,3,4}fs will write only to > the > metadata areas, and restoring /home will of course not write to any > remaining > free space. > The gods of stupidity have been good to me. I had a backup of everything on /home that wasn't stored in the cloud, so I cleared all the files on /home, restored from my backups, and smartctl reports the sectors have been moved; 0 sectors are pending reallocation. I got lucky. -- -- Steve -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org