The bad-blocks tag has no wiki summary.
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ext4 on faulty disks. How to avoid remount read-only?
The Problem:
I'm in charge for a Hadoop cluster of 44 nodes. Unfortunatly at the time of building the cluster poor disk choices were made. I'm stuck with 1.5TB WD Green Drives including the Load ...
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2answers
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Hard drive errors: probably 2 bad sectors and nothing is working
All started with bsod from WindowsXP: unmountable boot volume.
Then I tried ubuntu and Palimpsest. SMART status was OK (2 bad sectors), but all test failed on "reading system" (I don't know if I ...
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1answer
32 views
How are SMART selftests related to badblocks?
The smartctl tool allows initiating a long self-test (smartctl -t long /dev/sda). However there's also badblocks that I can run on a drive. How are the two related? If badblocks detects bad blocks, ...
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0answers
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reallocate pending sector smartctl
smartctl is reporting smartctl_exit_status 64 after there was a current_pending_sector, so i think the data isn't still reallocated and i have to do it myself?
munin graph can be found here munin ...
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1answer
56 views
Forcing a SCSI HDD to rewrite a damaged sector
For a SATA/PATA HDD, this would be the normal procedure: http://www.sjvs.nl/?p=12
But a customer of mine has an old server with actual SCSI drives. I have tried re-writing the sector with dd to no ...
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1answer
98 views
Does my server have bad blocks or not?
My server crashed today. It switched the /sda8 device (/home) to read only and the log said "ext3_xattr_block_get: inode 590080: bad block 6"
From rescue mode (something my hosting provider offers ...
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1answer
113 views
Linux mdadm RAID5 data recovery with one drive failed, one drive failing
Improbably I had two drives fail in the same Raid5 array within 2 weeks of one another. Which means the array is dead. Yes yes hot spares not being lazy about replacing the failed drive I know. But ...
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1answer
546 views
How to use hdparm to fix a pending sector?
SMART is stating one pending sector on of my server's hdd. I've read lot's of articles recommending using hdparm to "easily" force the disk to relocated the bad sector, but I can't find the correct ...
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1answer
163 views
BAD stripes in controller and windows utility to remap bad blocks
Ok, here is my story. I have 3 disks raid 5, one of the disks made a few surface errors and I didn't know. I tried to repair the corrupted database table in mysql and the machine froze on write. I ...
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1answer
306 views
Bad Blocks Exist in Virtual Device PERC H700 Integrated
I have a DELL server with PERC H700 Integrated controller. I've made RAID5 with 12 harddrives and the virtual device is in Optimal state, but I receive such errors under linux:
sd 0:2:0:0: [sda] ...
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7answers
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how to use a disk with high reallocated sector count?
After 3 years in 24x7 service a 1TB Seagate Barracuda ES.2 enterprise drive is showing signs of failure. S.M.A.R.T. reallocated sector count is high.
Wikipedia article suggests that the drive can ...
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1answer
337 views
Maintain RAID to keep it healthy - data scrub
I want to be prepaired the best to keep my linux sw-raids healthy. So I know it's very important to maintain the data on a RAID to keep it readable in event of disk failure. If not, an URE could ...
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2answers
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Make vmware virtual machine from HDD with bad sectors [closed]
I have a notebook with a bad HDD (it has bad sectors). I would like make a virtual disk with VMware workstation from this computer.
I installed VMware Workstation & VMware vCenter Converter ...
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1answer
205 views
seagate faulty replacement hard drive
My Seagate hard disk got bad sectors and wasn't usable any more. Seagate's SeaTools utility also indicates that. It was under warranty; so I returned that in Seagate SeaCare center and got a ...
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1answer
2k views
From bad sector to “damaged file” - did it for Linux/ext3, can I do it for Windows/NTFS?
When a SMART check on a disk reports a bad sector, it is important to be able to identify the file that has the bad sector - and restore it from backups. Below, I show how I did this for my Linux/ext3 ...
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1answer
300 views
Raid 1 Mirror - weird data loss for 1 month
I have been running windows software RAID 1 (mirror) on Windows 2008 R2 for a while and recently I experienced something very odd, hope someone can help explaining and share your view.
Yesterday (Mar ...
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1answer
116 views
Check Drives Before Installation: Is Badblocks Good Enough?
I wanted to know what people do to test drives before installing them in a RAID. I saw badblocks. Would write-mode, prior to installing the filesystem be sufficient in your minds?
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1answer
413 views
How hazardaous is leaving IBM RAID in bad stripes mode?
One of disks in our RAID 1 configuration gone bad, and caused the whole logical disk to become in bad stripes mode.
We replaced the bad disk with a new one and complete the rebuild, but the logical ...
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1answer
596 views
IBM ServeRAID bad stripes and synchronize
After one of the drives in our IBM RAID gone, we bought a new one and replaced it.
The rebuilding went fine, but now we see "Bad stripes" reported for the logical disk.
Moreover, some data can not be ...
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2answers
990 views
Bad sectors, S.M.A.R.T., SpinRite, firmware on platter and drive id questions
Is it possible for S.M.A.R.T. to give false readings (say I was fiddling with lots of recovery programs, transfers, so on and so forth) or is it absolutely a read-only direct correlation to the ...
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3answers
1k views
Hard Disk Bad Sector/Fault Analysis Tool
I have doubt that my hard disk is having problem since few days. I had Windows 7 installed earlier, which was working fine, soon it started giving BSOD (Blue Screen Of Death). I reinstalled Windows 7, ...
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1answer
2k views
How do I stop bad block errors in the event viewer when the RAID software reports no errors?
Our Dell PowerEdge 2950 server has 4 SAS disks in a RAID 5 array on a Dell PERC 6/i SCSI card. We are running Windows 2003 SBS R2 - 32 bit. SP2.
The device, \Device\Harddisk0, has a bad block.
...
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6answers
684 views
Bad byte in one RAM module / Block area of RAM from being used
I have four 512 MB RAM modules in one server. The fourth RAM is showing error for only one bit when I use memtest86+ to test the RAMs. Even when I swap the RAM in fourth slot with some other RAM I ...
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3answers
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How do SSD fail near end of life?
Let's say a MLC SSD has lasted a very long time and the first cell has hit its last erase cycle and refuses to erase.
What happens after that? Does the controller detect that as a bad block and ...
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7answers
2k views
How many SMART sector reallocations indicate problems?
I have a NAS appliance that is just over a month old. It is configured to email me alerts generated from the hard drives' SMART data. After one day, one of the hard drives reported that a sector had ...
