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2answers
247 views

Cannot get smartctl working

On my debian wheezy server I use a software raid 1 with two harddisks dev/sda3 and dev/sdb3 connected into dev/md2: mdadm --detail /dev/md2 Number Major Minor RaidDevice State 0 8 ...
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1answer
139 views

How to automatically check for failed hard drives in RAID array?

We've got a couple of servers in-house containing hardware RAID5 and RAID6 arrays with 8-15 disks each. What's the easiest way to automatically check for failing hard drives using a script so that ...
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1answer
145 views

how to fetch SMART attributes in SSD?

I have a SAS SSD and I want to know few things like "Perc_Lifetime_Remain", etc. In the exisiting SATA SSD drive, we are fetching these info by using smartctl tool ("smartctl -A diskname"). But the ...
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1answer
795 views

How does SMART work for scsi device?

After going through the man pages of smartctl, smartd and smartd.conf, I am no clearer on how S.M.A.R.T. is supposed to work on a scsi device. I have a default configuration file that says: ...
2
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0answers
78 views

how to do data scrubbing (i.e. mass storage bit rot mitigation) in linux/unix?

data scrubbing is presented to me as a way to mitigate what is refered to as bit rot (on mass storage). The rationale is that data on hard disks can "decay"/"rot" and hence get corrupted, and to ...
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0answers
652 views

How should I interpret this smartctl readout

I'm running a Debian Jessie Machine with an external 3TB Hard Drive. The drive has gone offline twice in the last few days, trying to [ls] results in nothing to display, same in Dolphin. Running ...
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0answers
135 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!
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0answers
36 views

smartcontrol: number of sectors written too small

I tried to use smartctl to get info about the total bytes written to my SSD (started using it yesterday). It currently shows 18 Blocks which seems much to small for me (currently used space is ~9GB). ...
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0answers
51 views

BTRFS reports errors, but the drives don't. Do I have failed drives?

I have been using btrfs for over a year, and noticed reports of lots of errors in the logs but no problems. A recent scrub found HUGE numbers of csum errors, by huge I mean 85 MILLION, however scrub ...
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0answers
33 views

Why is `smartctl -l xerror` LBA well beyond end of disk?

I ran smartctl -l xerror on a Seagate ST31000528AS (1TB disk with 512-byte sectors), and it gave me (in part): Error 597 [16] occurred at disk power-on lifetime: 11903 hours (495 days + 23 hours) ...
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0answers
162 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, ...
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0answers
2k views

freenas disc problems - smart error - how to repair zfs raid?

Whats the best way to analyse problems on an freenas raid file server? I have troubles with my freenas 9.2.1. It crashed today. Its running a fileserver on zfs jbod raid 2. I'm not sure what exactly ...