1
vote
1answer
29 views

How to decrease the time the processes would wait (blocked) for disk reads (only to discover an error)?

Waiting too long when encountering an unreadable sector on a disk is really very annoying. (Especially if you are trying to read as much data as can be read from a disk with bad sectors, and do it ...
6
votes
2answers
138 views

Reduce bad block retry / wait times in Ubuntu

How can I reduce the IO wait time and retry times so that the OS doesn't continually try to write to a failing drive? I have an system that I use to make copies of demo content that gets loaned out ...
1
vote
1answer
141 views

Access or recover files from Apple hdd with bad S.M.A.R.T. and 05-reallocating sector bad

I have a Macintosh HD (hfsPlus) [/dev/sdc2 on /media/ubuntu/Macintosh HD type hfsplus(ro,nosuid,nodev,uhelper=udisks2)] WARNING: GPT (GUID Partition Table) detected on '/dev/sdc'! The util fdisk ...
6
votes
2answers
2k views

Does a bad sector indicate a failing disk?

My Ubuntu 13.10 system has been performing very poorly over the last day or so. Looking at the kernel logs, it appears that the <1yr old 3TB SATA disk is having issues with a particular sector: ...
3
votes
1answer
2k views

recovery data from RAID and disk failure (Linux)

Some background A friend of mine was using in his office a NAS Buffalo-LS-WVL with two disks of 1TB each. It seems that the two disks were mounted as raid 1, but, as you will read, probably they have ...
2
votes
0answers
296 views

System cannot boot, continiously scanning btrfs filesystem

On the previous boot I installed HAL to make amazon prime video streaming work, which it did (mostly), but after reboot the system could not pull itself up all the way to BASH and drops to a failed ...
1
vote
0answers
1k views

Hard drives goes missing until reboot - what can be the cause?

I am struggling here. My end goal is assembling a RAID-6 array on my PC, but time and again, the assemble doesn't complete (and cat /proc/mdstat shows that one drive dropped away). This now happened ...
4
votes
2answers
817 views

Salvaging a “broken” hard drive

My girlfriend's macbook's hard drive failed, so I gave her a new one and reinstalled OSX on it. Works fine. However, I wanted to see if I could use her old hard drive for backups/fun. I was able to ...
5
votes
3answers
564 views

What would happen if a hard drive failed while the Linux kernel was running?

I've always been curious of what would happen if a hard drive failed while the Linux kernel was running. Since the kernel image itself is loaded completely into RAM, I don't imagine there would be any ...