computers:synology [Jon's Repository of Info]

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====== Synology NAS ======

==== Disk Break-In ====

With any new hard drive you receive, disk break-in is necessary to ensure that the drive is fit to hold data. The process is no different, but finding the right disk path is.

You can run
<code> fdisk -l </code>
which will output a lot of mounts.. which in the case of the DS220+ I own, isn't much in theory. But, after a lot of trial and error, I have found that /dev/sata is the correct mounts to reference for full access to the disk. To list those disks in your NAS, run
<code> fdisk -l | grep /dev/sata </code>

Note, that due to how Synology utilizes a disk to get the OS functional to use, you won't be able to break in all the drives at once. If you have a spare drive you can toss in, that might help so that the OS can stay functional. The commands do not eat up a lot of RAM, so they can be run simultaneously. The disk can not be in use with the NAS.

=== Break-in steps ===

smartctl on Synology requires the use of the -d option to force it to specific disk modes. In our case, this will be SATA, so '-d sat' is used.

<code>
## List disk
smartctl -d sat -a /dev/sata1
## Short Test
smartctl -d sat -t short /dev/sata1
## Long Test
smartctl -d sat -t long /dev/sata1
## Badblocks (will take several days, if not a week depending on disk size due to running five passes)
## Destructive
badblocks -b 4096 -wsv /dev/sata1
## Non-destructive
badblocks -b 4096 -nsv /dev/sata1
</code>

https://www.ixsystems.com/community/resources/hard-drive-burn-in-testing.92/

https://community.synology.com/enu/forum/17/post/96581

https://www.reddit.com/r/synology/comments/cgtrr3/testing_drives_prior_to_setting_new_nas/