It is well known that I am a nerd. But if there were any doubt, this removes it. :)
Keyrings
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Category Archives: Sys Admin
Installing Vim on FreeBSD
I was fooling in my new OPNsense router and needed myself a copy of Vim. Learned I could install it on FreeBSD (on which OPNsense is based) using the `pkg` command:
# pkg install vim
Network v4
I have redone my computer network in its fourth (and final?) incarnation. Everything got redesigned from the ground up. You can see some of the (color coded!) cabling here:
The two switches on top (GREEN and ORANGE) support speeds up to 2.5 Gbps, whereas the bottom two switches (RED and BLUE) only support up to 1 Gbps. The white cables on the right are spares, they’re just auxiliary cables which have already been installed and are available if I need them in an emergency.
Samsung 990 PRO firmware version
I’m having an issue with my Samsung 990 PRO drive. Gonna try upgrading the firmware. Actually got myself a new computer just for the purpose. Figured I should start with knowing what the firmware version is presently. ChatGPT strikes again. Firmware version is 1B2QJXD7.
-------------------
Wed May 31 11:14:03 [bash:5.2.15 jobs:0 error:0 time:0]
jj5@charm:/home/jj5
$ ll /dev/disk/by-id/
total 0
drwxr-xr-x 2 root root 1.3K May 31 03:04 .
drwxr-xr-x 9 root root 180 May 30 08:45 ..
lrwxrwxrwx 1 root root 9 May 30 08:45 ata-DRW-24D5MT_KLCL6MF4200 -> ../../sr0
lrwxrwxrwx 1 root root 9 May 31 03:04 ata-WDC_WD30EFRX-68EUZN0_WD-WMC4N0D5506W -> ../../sdb
lrwxrwxrwx 1 root root 10 May 31 03:04 ata-WDC_WD30EFRX-68EUZN0_WD-WMC4N0D5506W-part1 -> ../../sdb1
lrwxrwxrwx 1 root root 10 May 31 03:04 ata-WDC_WD30EFRX-68EUZN0_WD-WMC4N0D5506W-part9 -> ../../sdb9
lrwxrwxrwx 1 root root 9 May 31 03:04 ata-WDC_WD30EFRX-68EUZN0_WD-WMC4N0D8E3C9 -> ../../sda
lrwxrwxrwx 1 root root 10 May 31 03:04 ata-WDC_WD30EFRX-68EUZN0_WD-WMC4N0D8E3C9-part1 -> ../../sda1
lrwxrwxrwx 1 root root 10 May 31 03:04 ata-WDC_WD30EFRX-68EUZN0_WD-WMC4N0D8E3C9-part9 -> ../../sda9
lrwxrwxrwx 1 root root 9 May 30 08:45 md-name-charm:0 -> ../../md0
lrwxrwxrwx 1 root root 9 May 30 08:45 md-name-charm:1 -> ../../md1
lrwxrwxrwx 1 root root 9 May 30 08:45 md-uuid-9ef6fffa:0d37be5a:7842f20e:1319d620 -> ../../md1
lrwxrwxrwx 1 root root 9 May 30 08:45 md-uuid-f52df5c3:9aa1e0f1:8eab0df8:9808eaeb -> ../../md0
lrwxrwxrwx 1 root root 13 May 30 08:45 nvme-eui.00000000000000000026b768642eff55 -> ../../nvme1n1
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-eui.00000000000000000026b768642eff55-part1 -> ../../nvme1n1p1
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-eui.00000000000000000026b768642eff55-part9 -> ../../nvme1n1p9
lrwxrwxrwx 1 root root 13 May 30 09:57 nvme-eui.00000000000000000026b768642eff65 -> ../../nvme3n1
lrwxrwxrwx 1 root root 15 May 30 09:57 nvme-eui.00000000000000000026b768642eff65-part1 -> ../../nvme3n1p1
lrwxrwxrwx 1 root root 15 May 30 09:57 nvme-eui.00000000000000000026b768642eff65-part9 -> ../../nvme3n1p9
lrwxrwxrwx 1 root root 13 May 30 08:45 nvme-eui.00253842314123dd -> ../../nvme4n1
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-eui.00253842314123dd-part1 -> ../../nvme4n1p1
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-eui.00253842314123dd-part9 -> ../../nvme4n1p9
lrwxrwxrwx 1 root root 13 May 30 08:45 nvme-eui.6479a74fb0c004b7 -> ../../nvme2n1
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-eui.6479a74fb0c004b7-part1 -> ../../nvme2n1p1
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-eui.6479a74fb0c004b7-part2 -> ../../nvme2n1p2
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-eui.6479a74fb0c004b7-part3 -> ../../nvme2n1p3
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-eui.6479a74fb0c004b7-part4 -> ../../nvme2n1p4
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-eui.6479a74fb0c004b7-part5 -> ../../nvme2n1p5
lrwxrwxrwx 1 root root 13 May 30 08:45 nvme-eui.6479a74fb0c00509 -> ../../nvme0n1
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-eui.6479a74fb0c00509-part1 -> ../../nvme0n1p1
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-eui.6479a74fb0c00509-part2 -> ../../nvme0n1p2
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-eui.6479a74fb0c00509-part3 -> ../../nvme0n1p3
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-eui.6479a74fb0c00509-part4 -> ../../nvme0n1p4
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-eui.6479a74fb0c00509-part5 -> ../../nvme0n1p5
lrwxrwxrwx 1 root root 13 May 30 08:45 nvme-KINGSTON_SNV2S2000G_50026B768642EFF5 -> ../../nvme1n1
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-KINGSTON_SNV2S2000G_50026B768642EFF5-part1 -> ../../nvme1n1p1
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-KINGSTON_SNV2S2000G_50026B768642EFF5-part9 -> ../../nvme1n1p9
lrwxrwxrwx 1 root root 13 May 30 09:57 nvme-KINGSTON_SNV2S2000G_50026B768642EFF6 -> ../../nvme3n1
lrwxrwxrwx 1 root root 15 May 30 09:57 nvme-KINGSTON_SNV2S2000G_50026B768642EFF6-part1 -> ../../nvme3n1p1
lrwxrwxrwx 1 root root 15 May 30 09:57 nvme-KINGSTON_SNV2S2000G_50026B768642EFF6-part9 -> ../../nvme3n1p9
lrwxrwxrwx 1 root root 13 May 30 08:45 nvme-PNY_CS3140_1TB_SSD_PNY21242106180100092 -> ../../nvme2n1
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-PNY_CS3140_1TB_SSD_PNY21242106180100092-part1 -> ../../nvme2n1p1
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-PNY_CS3140_1TB_SSD_PNY21242106180100092-part2 -> ../../nvme2n1p2
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-PNY_CS3140_1TB_SSD_PNY21242106180100092-part3 -> ../../nvme2n1p3
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-PNY_CS3140_1TB_SSD_PNY21242106180100092-part4 -> ../../nvme2n1p4
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-PNY_CS3140_1TB_SSD_PNY21242106180100092-part5 -> ../../nvme2n1p5
lrwxrwxrwx 1 root root 13 May 30 08:45 nvme-PNY_CS3140_1TB_SSD_PNY21242106180100095 -> ../../nvme0n1
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-PNY_CS3140_1TB_SSD_PNY21242106180100095-part1 -> ../../nvme0n1p1
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-PNY_CS3140_1TB_SSD_PNY21242106180100095-part2 -> ../../nvme0n1p2
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-PNY_CS3140_1TB_SSD_PNY21242106180100095-part3 -> ../../nvme0n1p3
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-PNY_CS3140_1TB_SSD_PNY21242106180100095-part4 -> ../../nvme0n1p4
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-PNY_CS3140_1TB_SSD_PNY21242106180100095-part5 -> ../../nvme0n1p5
lrwxrwxrwx 1 root root 13 May 30 08:45 nvme-Samsung_SSD_990_PRO_2TB_S6Z2NJ0W215164J -> ../../nvme4n1
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-Samsung_SSD_990_PRO_2TB_S6Z2NJ0W215164J-part1 -> ../../nvme4n1p1
lrwxrwxrwx 1 root root 15 May 30 08:45 nvme-Samsung_SSD_990_PRO_2TB_S6Z2NJ0W215164J-part9 -> ../../nvme4n1p9
lrwxrwxrwx 1 root root 9 May 30 08:45 wwn-0x5001480000000000 -> ../../sr0
lrwxrwxrwx 1 root root 9 May 31 03:04 wwn-0x50014ee604f5f467 -> ../../sda
lrwxrwxrwx 1 root root 10 May 31 03:04 wwn-0x50014ee604f5f467-part1 -> ../../sda1
lrwxrwxrwx 1 root root 10 May 31 03:04 wwn-0x50014ee604f5f467-part9 -> ../../sda9
lrwxrwxrwx 1 root root 9 May 31 03:04 wwn-0x50014ee65a4af2ed -> ../../sdb
lrwxrwxrwx 1 root root 10 May 31 03:04 wwn-0x50014ee65a4af2ed-part1 -> ../../sdb1
lrwxrwxrwx 1 root root 10 May 31 03:04 wwn-0x50014ee65a4af2ed-part9 -> ../../sdb9
-------------------
Wed May 31 11:14:11 [bash:5.2.15 jobs:0 error:0 time:8]
jj5@charm:/home/jj5
$ sudo nvme smart-log /dev/nvme4
Smart Log for NVME device:nvme4 namespace-id:ffffffff
critical_warning : 0
temperature : 45°C (318 Kelvin)
available_spare : 100%
available_spare_threshold : 10%
percentage_used : 0%
endurance group critical warning summary: 0
Data Units Read : 2,237,856 (1.15 TB)
Data Units Written : 10,957,014 (5.61 TB)
host_read_commands : 48,079,050
host_write_commands : 119,766,894
controller_busy_time : 282
power_cycles : 31
power_on_hours : 23
unsafe_shutdowns : 16
media_errors : 0
num_err_log_entries : 0
Warning Temperature Time : 0
Critical Composite Temperature Time : 0
Temperature Sensor 1 : 45°C (318 Kelvin)
Temperature Sensor 2 : 49°C (322 Kelvin)
Thermal Management T1 Trans Count : 0
Thermal Management T2 Trans Count : 0
Thermal Management T1 Total Time : 0
Thermal Management T2 Total Time : 0
-------------------
Wed May 31 11:36:59 [bash:5.2.15 jobs:0 error:0 time:0]
root@charm:/home/jj5
# nvme id-ctrl /dev/nvme4 -H
NVME Identify Controller:
vid : 0x144d
ssvid : 0x144d
sn : S6Z2NJ0W215164J
mn : Samsung SSD 990 PRO 2TB
fr : 1B2QJXD7
rab : 2
ieee : 002538
cmic : 0
[3:3] : 0 ANA not supported
[2:2] : 0 PCI
[1:1] : 0 Single Controller
[0:0] : 0 Single Port
mdts : 9
cntlid : 0x1
ver : 0x20000
rtd3r : 0x30d40
rtd3e : 0x989680
oaes : 0x200
[31:31] : 0 Discovery Log Change Notice Not Supported
[27:27] : 0 Zone Descriptor Changed Notices Not Supported
[15:15] : 0 Normal NSS Shutdown Event Not Supported
[14:14] : 0 Endurance Group Event Aggregate Log Page Change Notice Not Supported
[13:13] : 0 LBA Status Information Notices Not Supported
[12:12] : 0 Predictable Latency Event Aggregate Log Change Notices Not Supported
[11:11] : 0 Asymmetric Namespace Access Change Notices Not Supported
[9:9] : 0x1 Firmware Activation Notices Supported
[8:8] : 0 Namespace Attribute Changed Event Not Supported
ctratt : 0x10
[19:19] : 0 Flexible Data Placement Not Supported
[15:15] : 0 Extended LBA Formats Not Supported
[14:14] : 0 Delete NVM Set Not Supported
[13:13] : 0 Delete Endurance Group Not Supported
[12:12] : 0 Variable Capacity Management Not Supported
[11:11] : 0 Fixed Capacity Management Not Supported
[10:10] : 0 Multi Domain Subsystem Not Supported
[9:9] : 0 UUID List Not Supported
[8:8] : 0 SQ Associations Not Supported
[7:7] : 0 Namespace Granularity Not Supported
[6:6] : 0 Traffic Based Keep Alive Not Supported
[5:5] : 0 Predictable Latency Mode Not Supported
[4:4] : 0x1 Endurance Groups Supported
[3:3] : 0 Read Recovery Levels Not Supported
[2:2] : 0 NVM Sets Not Supported
[1:1] : 0 Non-Operational Power State Permissive Not Supported
[0:0] : 0 128-bit Host Identifier Not Supported
rrls : 0
cntrltype : 1
[7:2] : 0 Reserved
[1:0] : 0x1 I/O Controller
fguid : 00000000-0000-0000-0000-000000000000
crdt1 : 0
crdt2 : 0
crdt3 : 0
nvmsr : 0
[1:1] : 0 NVM subsystem Not part of an Enclosure
[0:0] : 0 NVM subsystem Not part of an Storage Device
vwci : 0
[7:7] : 0 VPD Write Cycles Remaining field is Not valid.
[6:0] : 0 VPD Write Cycles Remaining
mec : 0
[1:1] : 0 NVM subsystem Not contains a Management Endpoint on a PCIe port
[0:0] : 0 NVM subsystem Not contains a Management Endpoint on an SMBus/I2C port
oacs : 0x17
[10:10] : 0 Lockdown Command and Feature Not Supported
[9:9] : 0 Get LBA Status Capability Not Supported
[8:8] : 0 Doorbell Buffer Config Not Supported
[7:7] : 0 Virtualization Management Not Supported
[6:6] : 0 NVMe-MI Send and Receive Not Supported
[5:5] : 0 Directives Not Supported
[4:4] : 0x1 Device Self-test Supported
[3:3] : 0 NS Management and Attachment Not Supported
[2:2] : 0x1 FW Commit and Download Supported
[1:1] : 0x1 Format NVM Supported
[0:0] : 0x1 Security Send and Receive Supported
acl : 7
aerl : 3
frmw : 0x16
[5:5] : 0 Multiple FW or Boot Update Detection Not Supported
[4:4] : 0x1 Firmware Activate Without Reset Supported
[3:1] : 0x3 Number of Firmware Slots
[0:0] : 0 Firmware Slot 1 Read/Write
lpa : 0x2f
[6:6] : 0 Telemetry Log Data Area 4 Not Supported
[5:5] : 0x1 LID 0x0, Scope of each command in LID 0x5, 0x12, 0x13 Supported
[4:4] : 0 Persistent Event log Not Supported
[3:3] : 0x1 Telemetry host/controller initiated log page Supported
[2:2] : 0x1 Extended data for Get Log Page Supported
[1:1] : 0x1 Command Effects Log Page Supported
[0:0] : 0x1 SMART/Health Log Page per NS Supported
elpe : 63
[7:0] : 63 (0's based) Error Log Page Entries (ELPE)
npss : 4
[7:0] : 4 (0's based) Number of Power States Support (NPSS)
avscc : 0x1
[0:0] : 0x1 Admin Vendor Specific Commands uses NVMe Format
apsta : 0x1
[0:0] : 0x1 Autonomous Power State Transitions Supported
wctemp : 355
[15:0] : 82°C (355 Kelvin) Warning Composite Temperature Threshold (WCTEMP)
cctemp : 358
[15:0] : 85°C (358 Kelvin) Critical Composite Temperature Threshold (CCTEMP)
mtfa : 0
hmpre : 0
hmmin : 0
tnvmcap : 2,000,398,934,016
[127:0] : 2,000,398,934,016
Total NVM Capacity (TNVMCAP)
unvmcap : 0
[127:0] : 0
Unallocated NVM Capacity (UNVMCAP)
rpmbs : 0
[31:24]: 0 Access Size
[23:16]: 0 Total Size
[5:3] : 0 Authentication Method
[2:0] : 0 Number of RPMB Units
edstt : 35
dsto : 0
fwug : 0
kas : 0
hctma : 0x1
[0:0] : 0x1 Host Controlled Thermal Management Supported
mntmt : 318
[15:0] : 45°C (318 Kelvin) Minimum Thermal Management Temperature (MNTMT)
mxtmt : 356
[15:0] : 83°C (356 Kelvin) Maximum Thermal Management Temperature (MXTMT)
sanicap : 0x60000003
[31:30] : 0x1 Media is not additionally modified after sanitize operation completes successfully
[29:29] : 0x1 No-Deallocate After Sanitize bit in Sanitize command Not Supported
[2:2] : 0 Overwrite Sanitize Operation Not Supported
[1:1] : 0x1 Block Erase Sanitize Operation Supported
[0:0] : 0x1 Crypto Erase Sanitize Operation Supported
hmminds : 0
hmmaxd : 0
nsetidmax : 0
endgidmax : 1
anatt : 0
anacap : 0
[7:7] : 0 Non-zero group ID Not Supported
[6:6] : 0 Group ID does change
[4:4] : 0 ANA Change state Not Supported
[3:3] : 0 ANA Persistent Loss state Not Supported
[2:2] : 0 ANA Inaccessible state Not Supported
[1:1] : 0 ANA Non-optimized state Not Supported
[0:0] : 0 ANA Optimized state Not Supported
anagrpmax : 0
nanagrpid : 0
pels : 0
domainid : 0
megcap : 0
sqes : 0x66
[7:4] : 0x6 Max SQ Entry Size (64)
[3:0] : 0x6 Min SQ Entry Size (64)
cqes : 0x44
[7:4] : 0x4 Max CQ Entry Size (16)
[3:0] : 0x4 Min CQ Entry Size (16)
maxcmd : 256
nn : 1
oncs : 0x55
[8:8] : 0 Copy Not Supported
[7:7] : 0 Verify Not Supported
[6:6] : 0x1 Timestamp Supported
[5:5] : 0 Reservations Not Supported
[4:4] : 0x1 Save and Select Supported
[3:3] : 0 Write Zeroes Not Supported
[2:2] : 0x1 Data Set Management Supported
[1:1] : 0 Write Uncorrectable Not Supported
[0:0] : 0x1 Compare Supported
fuses : 0
[0:0] : 0 Fused Compare and Write Not Supported
fna : 0x7
[3:3] : 0 Format NVM Broadcast NSID (FFFFFFFFh) Supported
[2:2] : 0x1 Crypto Erase Supported as part of Secure Erase
[1:1] : 0x1 Crypto Erase Applies to All Namespace(s)
[0:0] : 0x1 Format Applies to All Namespace(s)
vwc : 0x7
[2:1] : 0x3 The Flush command supports NSID set to FFFFFFFFh
[0:0] : 0x1 Volatile Write Cache Present
awun : 1023
awupf : 0
icsvscc : 1
[0:0] : 0x1 NVM Vendor Specific Commands uses NVMe Format
nwpc : 0
[2:2] : 0 Permanent Write Protect Not Supported
[1:1] : 0 Write Protect Until Power Supply Not Supported
[0:0] : 0 No Write Protect and Write Protect Namespace Not Supported
acwu : 0
ocfs : 0
[1:1] : 0 Controller Copy Format 1h Not Supported
[0:0] : 0 Controller Copy Format 0h Not Supported
sgls : 0
[15:8] : 0 SGL Descriptor Threshold
[1:0] : 0 Scatter-Gather Lists Not Supported
mnan : 0
maxdna : 0
maxcna : 0
subnqn : nqn.1994-11.com.samsung:nvme:990PRO:M.2:S6Z2NJ0W215164J
ioccsz : 0
iorcsz : 0
icdoff : 0
fcatt : 0
[0:0] : 0 Dynamic Controller Model
msdbd : 0
ofcs : 0
[0:0] : 0 Disconnect command Not Supported
ps 0 : mp:9.39W operational enlat:0 exlat:0 rrt:0 rrl:0
rwt:0 rwl:0 idle_power:- active_power:-
active_power_workload:-
ps 1 : mp:9.39W operational enlat:0 exlat:200 rrt:1 rrl:1
rwt:1 rwl:1 idle_power:- active_power:-
active_power_workload:-
ps 2 : mp:9.39W operational enlat:0 exlat:1000 rrt:2 rrl:2
rwt:2 rwl:2 idle_power:- active_power:-
active_power_workload:-
ps 3 : mp:0.0400W non-operational enlat:2000 exlat:1200 rrt:3 rrl:3
rwt:3 rwl:3 idle_power:- active_power:-
active_power_workload:-
ps 4 : mp:0.0050W non-operational enlat:500 exlat:9500 rrt:4 rrl:4
rwt:4 rwl:4 idle_power:- active_power:-
active_power_workload:-
-------------------
Installing Nvidia firmware on Debian
Today I learned how to install nvidia firmware on debian. ChatGPT strikes again!
Data corruption
Oh, yuck. ZFS-8000-8A. :(
-------------------
Mon May 29 16:23:47 [bash:5.2.15 jobs:0 error:0 time:35]
root@charm:/home/jj5
# zpool status -v
pool: fast
state: ONLINE
status: One or more devices has experienced an error resulting in data
corruption. Applications may be affected.
action: Restore the file in question if possible. Otherwise restore the
entire pool from backup.
see: https://openzfs.github.io/openzfs-docs/msg/ZFS-8000-8A
config:
NAME STATE READ WRITE CKSUM
fast ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
nvme-Samsung_SSD_990_PRO_2TB_S6Z2NJ0W215171W ONLINE 0 0 2
nvme-Samsung_SSD_990_PRO_2TB_S6Z2NJ0W215164J ONLINE 0 0 2
errors: Permanent errors have been detected in the following files:
/fast/vbox/218-jj-wrk-8-charm-prod-vbox/218-jj-wrk-8-charm-prod-vbox.vdi
-------------------
Target then source
I’m surprised it took me this long to figure this out. But there’s a very big problem with a command like this:
rsync var/data/ target:/var/data/
The problem is that in order to type that command, you first have to type the first part of the command, which includes this command:
rsync var/data/ target:/
That first part of the command is in fact a valid command, and if you pressed ENTER accidentally before you had finished typing the whole command, then rsync would begin to replace your entire root file system with the contents of var. That’s the sort of thing that will ruin your day.
So from now on, when I write command-line tools, I will nominate the target *before* the source, and if both the target and source are not specified then I will return an error.
p.s. Yes, the reverse problem exists, that when you nominate the target first you can still fuck up with the source, but given that you are operating on the target from the source, if you get the source wrong, you can just fix your command and run it again and it will be fixed up.
Watching temperature on ‘charm’
Note to self: run these commands to watch NVMe, GPU, and CPU temperatures on ‘charm‘:
watch sudo sensors watch sudo nvme smart-log /dev/nvme0 watch sudo nvme smart-log /dev/nvme1 watch sudo nvme smart-log /dev/nvme2 watch sudo nvme smart-log /dev/nvme3
These sensors were enabled with:
sudo apt install nvme-cli sudo apt install lm-sensors sudo sensors-detect
ZFS zpool corruption with Message ID: ZFS-8000-8A
So I managed to get this dreaded error: Message ID: ZFS-8000-8A. It happened when I tried moving a directory between file systems on different zpools. Not gonna tempt fate and try that again. In future I will copy from source to target and then delete the target.
Default Firefox Links
Note to self: the default links provided by Firefox after install are: