A customer FAZ 1000D running 6.0.8 is showing a permanent 100% disk I/O usage penalizing the whole operation since a couple of days
( widget screenshot attached)
Could anyone please share some strategies to attack the issue?
Who would be good candidates to searching for?
The output for 'exec top' CLI command is showing the usual postgres process on top as another FAZes, but we couldn't find any disk related process causing this behaviour
Thanks for your advice in advance,
the FAZ might be stuck on rebuilding the index files. Would you dare to run
execute sql-local rebuild-db
BTW, the widget just looks like my own workload these days...
Thanks for your comment.
Indeed, but i was noticed that finished a couple of weeks ago.
# diagnose sql status rebuild-db Rebuilding log SQL database accomplished on Sat May 23 07:20:53 2020
On the other hand, almost 50 devices, near 10GB logs/day, no ADoms, not a big deal for an 1000D
All seems normal, with the exception of this widget and penalized reports using week/month logs
Some daemon to restart or to look into?
I guess a disk error would lead to indefinite attempts to read or write, causing a deadlock.
When you reboot the FAZ, get into the boot menu and have a look which options for formatting the log disks you have. Or all disks, meaning you would have to reload the firmware via tftp.
Hopefully, all settings have been saved previously.
If even that measure would not lead to normal disk load it might be time to submit a service call for RMA.
Hi Ede, thanks once again
If so, shouldn't there be another evidence for such hardware fail elsewhere?
I mean, (I'm not arguing) just exploring the scenario before take more drastic actions.
diag sys raid hwinfo
diag sys raid status
shouldn't show things like 'errors' or 'degraded' ?
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