I have three 3TB disks in a Hornettek Enterprise 4X II connected to a 2009 Mac Pro via USB2.0.
I create a pool like so:
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sudo zpool create -f -o ashift=12 -O casesensitivity=insensitive -O normalization=formD the_library raidz /dev/disk5 /dev/disk6 /dev/disk7
sudo zpool export the_library
sudo zpool import -d /var/run/disk/by-id the_library
The last two steps was recommended in a post here so that disk IDs were used rather than “disk5”, etc.
All looks good:
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zpool status
pool: the_library
state: ONLINE
scan: none requested
config:
NAME STATE READ WRITE CKSUM
the_library ONLINE 0 0 0
raidz1-0 ONLINE 0 0 0
disk5 ONLINE 0 0 0
disk6 ONLINE 0 0 0
disk7 ONLINE 0 0 0
errors: No known data errors
I start adding files via `rsync`, or `cp` and a while in (only a few GB), the transfer hangs (also happens with Finder copies):
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zpool status
pool: the_library
state: UNAVAIL
status: One or more devices are faulted in response to IO failures.
action: Make sure the affected devices are connected, then run 'zpool clear'.
see: http://zfsonlinux.org/msg/ZFS-8000-HC
scan: none requested
config:
NAME STATE READ WRITE CKSUM
the_library UNAVAIL 0 0 0 insufficient replicas
raidz1-0 UNAVAIL 0 50 0 insufficient replicas
media-E2A98C66-E268-644F-B273-169E587A1E6A UNAVAIL 3 70 0 cannot open
media-23068D9E-878A-4D4A-AE51-5670987323E8 UNAVAIL 3 76 0 cannot open
media-988A2630-689D-0F4A-ACD8-25DC612356BF UNAVAIL 2 73 0 cannot open
errors: 118 data errors, use '-v' for a list
I issue the `pool clear`, but it’s not pretty:
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admin@celebgul:~ $>sudo zpool clear the_library
cannot clear errors for the_library: I/O error
admin@celebgul:~ $>zpool status
pool: the_library
state: UNAVAIL
status: One or more devices are faulted in response to IO failures.
action: Make sure the affected devices are connected, then run 'zpool clear'.
see: http://zfsonlinux.org/msg/ZFS-8000-HC
scan: none requested
config:
NAME STATE READ WRITE CKSUM
the_library UNAVAIL 0 0 0 insufficient replicas
raidz1-0 UNAVAIL 0 0 0 insufficient replicas
media-E2A98C66-E268-644F-B273-169E587A1E6A FAULTED 15 0 0 too many errors
media-23068D9E-878A-4D4A-AE51-5670987323E8 FAULTED 12 0 0 too many errors
media-988A2630-689D-0F4A-ACD8-25DC612356BF FAULTED 9 0 0 too many errors
errors: 180 data errors, use '-v' for a list
I’ve set this up and knocked it down four times now…I’m wondering how to troubleshoot further, where to look, etc. Any suggestions?
Many thanks,
Ben