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11
votes
4answers
8k views

Linux - Repairing bad blocks on a RAID1 array with GPT

The tl;dr: how would I go about fixing a bad block on 1 disk in a RAID1 array? But please read this whole thing for what I've tried already and possible errors in my methods. I've tried to be as ...
7
votes
4answers
3k views

Monitor disk health using smartd (in smartmontools) on a high availability software RAID 1 server

I have a server with three identical SATA/600 3TB drives: /dev/sda, /dev/sdb, /dev/sdc. The drives are partitioned, using GPT with three partitions each: 1 MB: Reserved partition for boot loader 1 ...
3
votes
2answers
140 views

How to get smartd to ignore an HDD?

I have an external HDD which does not report SMART information properly (it gives nonsense results). As such, the smartd daemon (part of smartmontools) keeps giving false alarms on how the device ...
2
votes
2answers
320 views

Understanding smartctl output for a CF card

I'm testing SMART support on some Compact Flash cards. After running smartctl -A on my card I'm getting the output below (also available here: http://pastebin.com/BX8GcLCX). The UPDATED column says ...
2
votes
0answers
55 views

Properly power down SSD during shutdown

I recently got a Samsung SSD. I have debian wheezy installed on it. I carry it around in a USB enclosure and boot both my work and home computers from it. How can I ensure that the system properly ...
2
votes
0answers
137 views

smartd custom logfile on systemd + journald based system

An excerpt from smartd manpage reads: -l FACILITY, --logfacility=FACILITY Uses syslog facility FACILITY to log the messages from smartd. Here FACILITY is one of local0, local1, ..., local7, or ...
1
vote
1answer
101 views

smartctl: suspend read-scan the remainder of the disk

I have started read-scan the disk using: smartctl -t select,10-11 -t afterselect,on -t pending,45 /dev/sda It seems, however, it kills the disk performance. I had expected that the read-scan would ...
1
vote
1answer
225 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 ...
1
vote
0answers
45 views

Setting up smartmontools

I recently built a small server running lubuntu and decided it would be wise to setup smartmontools in order to monitor the drive health. SMART seems to be built into lubuntu in gnome-disks, however, ...
1
vote
0answers
33 views

SMART extended offline test validity

Is it possible for the smartctl -t long /dev/sda to complete without error and still the drive fail? How detrimental to the disk's life expectancy is running the test daily/weekly? Thanks!
0
votes
1answer
73 views

Current pending sector count error

Recently my hard disk show some error message in SMART utility, I have taken a screenshot from error messages. That's something like : Current pending sector count error && Relocated sector ...