Hi!
I have a OSOL box as a home file server. It has 4 1TB USB Drives and 1 TB
FW-Drive attached. The USB devices are combined to a RaidZ-Pool and the FW
Drive acts as a hot spare.
This night, one USB drive faulted and the following happened:
1. The zpool was not accessible anymore
2. changing to a directory on the pool causes the tty to get stuck
3. no reboot was possible
4. the system had to be rebooted ungracefully by pushing the power button
After reboot:
1. The zpool ran in a degraded state
2. the spare device did NOT automatically go online
3. the system did not boot to the usual run level, and no auto-boot zones where
started, GDM did not start either
NAME STATE READ WRITE CKSUM
tank DEGRADED 0 0 0
raidz1-0 DEGRADED 0 0 0
c21t0d0 ONLINE 0 0 0
c22t0d0 ONLINE 0 0 0
c20t0d0 FAULTED 0 0 0 corrupted data
c23t0d0 ONLINE 0 0 0
cache
c18t0d0 ONLINE 0 0 0
spares
c16t0d0 AVAIL
My questions:
1. Why does the system get stuck, when a device faults?
2. Why does the hot spare not go online? (The manual says, that going online
automatically is the default behavior)
3. Why does the system not boot to the usual run level, when a zpool is in a
degraded state at boot time?
Regards,
Martin
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