Subject: Re: [CentOS] Errors on an SSD drive





On 08/09/2017 10:46 AM, Chris Murphy wrote:
If it's a bad sector problem, you'd write to sector 17066160 and see if the
drive complies or spits back a write error. It looks like a bad sector in
that the same LBA is reported each time but I've only ever seen this with
both a read error and a UNC error. So I'm not sure it's a bad sector.

What is DID_BAD_TARGET?

I have no experience on how to force a write to a specific sector and not cause other problems. I suspect that this sector is in the / partition:

Disk /dev/sda: 240.1 GB, 240057409536 bytes, 468862128 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk label type: dos
Disk identifier: 0x0000c89d

Device Boot Start End Blocks Id System
/dev/sda1 2048 2099199 1048576 83 Linux
/dev/sda2 2099200 4196351 1048576 82 Linux swap / Solaris
/dev/sda3 4196352 468862127 232332888 83 Linux

But I don't know where it is in relation to the way the drive was formatted in my notebook. I think it would have been in the / partition.


And what do you get for
smartctl -x <dev>

About 17KB of output? I don't know how to read what it is saying, but noted in the beginning:

Write SCT (Get) XXX Error Recovery Control Command failed: scsi error badly formed scsi parameters

Don't know what this means...

BTW, the system is a Cubieboard2 armv7 SoC running Centos7-armv7hl. This is the first time I have used an SSD on a Cubie, but I know it is frequently done. I would have to ask on the Cubie forum what others experience with SSDs have been.



Chris Murphy

On Wed, Aug 9, 2017, 8:03 AM Robert Moskowitz <[email protected]> wrote:

I am building a new system using an Kingston 240GB SSD drive I p...

ulled
from my notebook (when I had to upgrade to a 500GB SSD drive). Centos
install went fine and ran for a couple days then got errors on the
console. Here is an example:

[168176.995064] sd 0:0:0:0: [sda] tag#14 FAILED Result:
hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[168177.004050] sd 0:0:0:0: [sda] tag#14 CDB: Read(10) 28 00 01 04 68 b0
00 00 08 00
[168177.011615] blk_update_request: I/O error, dev sda, sector 17066160
[168487.534510] sd 0:0:0:0: [sda] tag#17 FAILED Result:
hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[168487.543576] sd 0:0:0:0: [sda] tag#17 CDB: Read(10) 28 00 01 04 68 b0
00 00 08 00
[168487.551206] blk_update_request: I/O error, dev sda, sector 17066160
[168787.813941] sd 0:0:0:0: [sda] tag#20 FAILED Result:
hostbyte=DID_BAD_TARGET driverbyte=DRIVER_OK
[168787.822951] sd 0:0:0:0: [sda] tag#20 CDB: Read(10) 28 00 01 04 68 b0
00 00 08 00
[168787.830544] blk_update_request: I/O error, dev sda, sector 17066160

Eventually, I could not do anything on the system. Not even a
'reboot'. I had to do a cold power cycle to bring things back.

Is there anything to do about this or trash the drive and start anew?

Thanks

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