Re: [gentoo-user] repair uefi vfat /boot?

[Caveman Al Toraboran]

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Monday, March 23, 2020 3:33 PM, Michael <confabulate@××××××××.com> wrote:

> 'man smartctl' provides some explanation with regards to reading the Attribute
> values reported by the firmware of the disk, as does Wikipedia:
>
> https://en.wikipedia.org/wiki/S.M.A.R.T.#Known_ATA_S.M.A.R.T._attributes
>
> However, with Seagate drives in particular reported values by the firmware are
> counterintuitive and can cause confusion:
>
> http://www.users.on.net/~fzabkar/HDD/Seagate_SER_RRER_HEC.html
>
> Not withstanding the above, if you look under the section "-A --attributes" in
> the manual you'll see the following. If an attribute type is of type 'Pre-
> fail' and is equal or less than the Threshold value then there is a problem.
> If the WHEN_FAILED column shows a dash, this means the drive has not failed
> yet with respect to this attribute.
>
> Looking at your SMART table we can see no attribute has failed completely yet,
> but we see some potentially worrying signs too.
>
> There have been a number of (ID 1) Raw Read Errors and also (ID 195) Hardware
> ECC Recovered sectors. However, there are a large number of (ID 187) Reported
> Uncorrectable errors - these are sectors the Hardware ECC failed to correct.
>
> The next value (ID 188) Command Timeout is also of some concern, showing a
> count of 30 aborted operations by the HDD.
>
> There are also some Bad Blocks, with a raw value of 49. If you see this
> number increasing over time, it means potentially more and more of your data
> can be lost. It would explain for example why some of the files you stored in
> the vfat partition are showing a size of zero. The value of (ID 197) Current
> Pending Sector of 12 is also worrying - there are 12 sectors waiting to be
> remapped to a more healthy part of the disk because of unrecoverable read
> errors. The following attribute (ID 198) Offline Uncorrectable Error counts
> also shows 12. These are indications your hard disk is failing probably due
> to some platter surface damage and you should take all data off it. At some
> point it will fail completely and until then loss of data is likely to
> increase.

amazing help :).  thank you very much for walking me throughout this.
highly appreciated.

from now on, will start the smart daemon + some raid solution (after replacing
faulty disk).

(side note:  and psu's fuse blew up a few days ago.  fortunately important
data is backed up.  but i wonder if this is related?  or is it just that i'm
unlucky?)

rgrds,
cm