[Adminsysters] SMART error meeting

[Donna]

Hi,

My memory is really hopeless but I will log in and look around (with 
mdadm) etc. BRB

xx, Donna

On 01/10/2022 18:19, mara wrote:
> Does @donna or @gaba who did the server building and installation 
> remember how the RAID is used? We might need to make use of the RAID to 
> backup the whole disk, and then try and fix these sectors or deactivate 
> them.
> 
> I made a possible date picker here for next week.
> https://transitional.anarchaserver.org/date/studs.php?poll=P3IRURqWSpAkMLYk
> 
> Expecting to take a few sessions, here is the relevant ticket with the 
> manuals mentioned in Micha's email:
> https://git.systerserver.net/systerserver/notes/-/issues/52
> 
> m
> 
> On 10/1/22 10:43, bolwerK wrote:
>>
>> Hi we forward the answer of micha to asses our smart error.
>> she is willing to do a session next week. who wants to be with us and 
>> stay in the loop for making an appointment?
>> maybe we can have a look together before we ask her advice.
>> xm
>>
>>
>> hey!
>>
>> sorry for being so late with the response... my first week back in nyc 
>> has been crazy busy with work and seeing people but things are finally 
>> calming down.
>>
>> SO! UNCORRECTABLE SECTORS! This is generally a really bad sign and 
>> shows that the hard drive is starting to degrade. If you ARE NOT using 
>> some sort of RAID system where your drives are redundant, I would 
>> IMMEDIATELY backup the data on the drive and start finding a 
>> replacement. It is only a matter of time before that drive dies.
>>
>> If you ARE using RAID and would rather keep that drive alive as long 
>> as possible, you can isolate the blocks and attempt to reset them. 
>> This will trigger the firmware on the hard drive to either a) repair 
>> the blocks or b) choose to not use them for future storage. Smartmon's 
>> documentation has a good tutorial on how to do this... I recommend 
>> going through the whole thing and BACKING UP your drive before 
>> attempting the fix: https://www.smartmontools.org/wiki/BadBlockHowto
>>
>> Before any of this though, it may be good to run a smartmon long test 
>> to verify the results of the short test. You can do this by running 
>> `sudo smartctl -t long /dev/sdb`. You can get the results with `sudo 
>> smartctl -a /dev/sdc`, noting that a long test can take a couple hours 
>> to complete. This is a good page for basic smartmon usage: 
>> https://www.thomas-krenn.com/en/wiki/SMART_tests_with_smartctl
>>
>> Also, if you are hungry for more drives, I have an extra Western 
>> Digital RED 8TB (one of these: 
>> https://aphnetworks.com/reviews/western-digital-red-wd80efzx-8tb). I 
>> can ship it to you when I get back to france on the 18th.
>>
>> Anyway, I'd be happy to do a little debugging session together this 
>> coming week if you'd like!
>>
>> Micha (she/her)
>> -----------------------------
>> http://micha.codes/ <http://probablemodels.com/>
>> http://github.com/mynameisfiber/
>>
>>
>> On Wed, Sep 21, 2022 at 7:00 AM bolwerK <info at ooooo.be> wrote:
>>
>>
>>     hi this the mail we get on backup server at S14.
>>     Can we have a look together next week - and maybe i can invite the
>>     others of systerserver.
>>     shouldn't take long but easier than trying to grasp manuals *
>>     xm
>>
>>     -------- Forwarded Message --------
>>     Subject:     SMART error (OfflineUncorrectableSector) detected on 
>> host:
>>     adele
>>     Date:     Wed, 21 Sep 2022 04:19:52 +0200 (CEST)
>>     From:     root <root at adele.mur.at> <mailto:root at adele.mur.at>
>>     To:     root at adele.mur.at
>>
>>
>>
>>     This message was generated by the smartd daemon running on:
>>
>>     host name: adele
>>     DNS domain: mur.at <http://mur.at>
>>
>>     The following warning/error was logged by the smartd daemon:
>>
>>     Device: /dev/sdb [SAT], 1 Offline uncorrectable sectors
>>
>>     Device info:
>>     HP SSD S700 Pro 1TB, S/N:HBSA49011400028, WWN:a-000000-000000000,
>>     FW:R0201B, 1.02 TB
>>
>>     For details see host's SYSLOG.
>>
>>     You can also use the smartctl utility for further investigation.
>>     The original message about this issue was sent at Sun Jun 5 01:11:45
>>     2022 CEST
>>     Another message will be sent in 24 hours if the problem persists.
>>
>>
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>