As long as you are aware that using RAID is NOT a replacement for
backups, all is fine. You can put your weewx.sdb +/- "anywhere".
But if for whatsoever reason your database gets corrupted, the RAID
(whichever number) won't be of any help.
RAID is a concept for higher performance and for disk redundancy, not a
backup. For such events like data corruption or database corruption you
need a backup.
Of course the backup can be made to another RAID system. 😉 And the
backup be better regular with not too long intervals in between.
Amongst system administrators there is the (in-)famous saying: no backup
- no pity.
The solution is better performance and redundancy against disk failure
by RAID together with a proper backup concept of the database outside
your operational RAID disks.
My database is on an industrial SLC microSD card on my Rpi4B (little
risk to fail), and I'm using a five minute backup to an external disk
(USB3, 2.5", 2 TB)
which will be "condensed" into an hourly backup by some housekeeping
tasks/jobs/scripts every 2-3 days.
Am 18.03.2022 um 19:05 schrieb vince:
Folks do that, sure. Â You could get there with a symlink too if you
wanted to not mess with weewx.conf
Years ago sqlite recommended not having the db remotely mounted, but I
think there are old threads here suggesting weewx is pretty safe to do
this setup on.
On Friday, March 18, 2022 at 10:49:47 AM UTC-7 Wayne wrote:
Instead of running the weewx database my Raspberry Pi 4 microSD
card I'd like to relocate it to a shared drive on a Synology NAS.
This is mainly to take advantage of the data redundancy of the NAS.
1. Is this simply a matter of changing SQLITE_ROOT to point to
the new location?
2. Any reason to not use a remote host in this manner?
An alternate solution is to periodically backup the file weewx.sdb
but I just prefer having the database on the RAID storage device
in the first place.
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