May 312011
 

I use a ZFS array for backups. The data is first copied to this array, and later copied to tape. This post contains some information which might be useful should I need to replace one of the drives in the array.

We have 10 HDD in this system.

Two are used in a gmirror for the base OS:

  1. ada8
  2. ada9

Seven are active in an array:

  1. ada0
  2. ada2
  3. ada3
  4. ada4
  5. ada5
  6. ada6
  7. ada07

One is spare:

  1. ada1

There is another spare HDD, but it is not installed because of lack of space.

The zpool

# zpool status
  pool: storage
 state: ONLINE
 scrub: scrub completed after 6h7m with 0 errors on Tue May 24 09:13:12 2011
config:

	NAME                 STATE     READ WRITE CKSUM
	storage              ONLINE       0     0     0
	  raidz2             ONLINE       0     0     0
	    gpt/disk01-live  ONLINE       0     0     0
	    gpt/disk02-live  ONLINE       0     0     0
	    gpt/disk03-live  ONLINE       0     0     0
	    gpt/disk04-live  ONLINE       0     0     0
	    gpt/disk05-live  ONLINE       0     0     0
	    gpt/disk06-live  ONLINE       0     0     0
	    gpt/disk07-live  ONLINE       0     0     0

errors: No known data errors

The gpart

$ gpart list
Geom name: ada0
modified: false
state: OK
fwheads: 16
fwsectors: 63
last: 3907029134
first: 34
entries: 128
scheme: GPT
Providers:
1. Name: ada0p1
   Mediasize: 2000188135936 (1.8T)
   Sectorsize: 512
   Mode: r1w1e2
   rawuuid: 3ec562f0-99d6-11df-83c1-001b2151ab2d
   rawtype: 516e7cba-6ecf-11d6-8ff8-00022d09712b
   label: disk06-live
   length: 2000188135936
   offset: 1048576
   type: freebsd-zfs
   index: 1
   end: 3906619500
   start: 2048
Consumers:
1. Name: ada0
   Mediasize: 2000398934016 (1.8T)
   Sectorsize: 512
   Mode: r1w1e3

Geom name: ada2
modified: false
state: OK
fwheads: 16
fwsectors: 63
last: 3907029134
first: 34
entries: 128
scheme: GPT
Providers:
1. Name: ada2p1
   Mediasize: 2000188135936 (1.8T)
   Sectorsize: 512
   Mode: r1w1e2
   rawuuid: 4bc24c69-9cab-11df-83c1-001b2151ab2d
   rawtype: 516e7cba-6ecf-11d6-8ff8-00022d09712b
   label: disk01-live
   length: 2000188135936
   offset: 1048576
   type: freebsd-zfs
   index: 1
   end: 3906619500
   start: 2048
Consumers:
1. Name: ada2
   Mediasize: 2000398934016 (1.8T)
   Sectorsize: 512
   Mode: r1w1e3

Geom name: ada3
modified: false
state: OK
fwheads: 16
fwsectors: 63
last: 3907029134
first: 34
entries: 128
scheme: GPT
Providers:
1. Name: ada3p1
   Mediasize: 2000188135936 (1.8T)
   Sectorsize: 512
   Mode: r1w1e2
   rawuuid: c7729bb2-9d10-11df-83c1-001b2151ab2d
   rawtype: 516e7cba-6ecf-11d6-8ff8-00022d09712b
   label: disk02-live
   length: 2000188135936
   offset: 1048576
   type: freebsd-zfs
   index: 1
   end: 3906619500
   start: 2048
Consumers:
1. Name: ada3
   Mediasize: 2000398934016 (1.8T)
   Sectorsize: 512
   Mode: r1w1e3

Geom name: ada4
modified: false
state: OK
fwheads: 16
fwsectors: 63
last: 3907029134
first: 34
entries: 128
scheme: GPT
Providers:
1. Name: ada4p1
   Mediasize: 2000188135936 (1.8T)
   Sectorsize: 512
   Mode: r1w1e2
   rawuuid: 20d23d98-9da5-11df-83c1-001b2151ab2d
   rawtype: 516e7cba-6ecf-11d6-8ff8-00022d09712b
   label: disk03-live
   length: 2000188135936
   offset: 1048576
   type: freebsd-zfs
   index: 1
   end: 3906619500
   start: 2048
Consumers:
1. Name: ada4
   Mediasize: 2000398934016 (1.8T)
   Sectorsize: 512
   Mode: r1w1e3

Geom name: ada5
modified: false
state: OK
fwheads: 16
fwsectors: 63
last: 3907029134
first: 34
entries: 128
scheme: GPT
Providers:
1. Name: ada5p1
   Mediasize: 2000188135936 (1.8T)
   Sectorsize: 512
   Mode: r1w1e2
   rawuuid: 4ed25145-9dd7-11df-83c1-001b2151ab2d
   rawtype: 516e7cba-6ecf-11d6-8ff8-00022d09712b
   label: disk04-live
   length: 2000188135936
   offset: 1048576
   type: freebsd-zfs
   index: 1
   end: 3906619500
   start: 2048
Consumers:
1. Name: ada5
   Mediasize: 2000398934016 (1.8T)
   Sectorsize: 512
   Mode: r1w1e3

Geom name: ada6
modified: false
state: OK
fwheads: 16
fwsectors: 63
last: 3907029134
first: 34
entries: 128
scheme: GPT
Providers:
1. Name: ada6p1
   Mediasize: 2000188135936 (1.8T)
   Sectorsize: 512
   Mode: r1w1e2
   rawuuid: 2c3c7d97-9e28-11df-83c1-001b2151ab2d
   rawtype: 516e7cba-6ecf-11d6-8ff8-00022d09712b
   label: disk05-live
   length: 2000188135936
   offset: 1048576
   type: freebsd-zfs
   index: 1
   end: 3906619500
   start: 2048
Consumers:
1. Name: ada6
   Mediasize: 2000398934016 (1.8T)
   Sectorsize: 512
   Mode: r1w1e3

Geom name: ada7
modified: false
state: OK
fwheads: 16
fwsectors: 63
last: 3907029134
first: 34
entries: 128
scheme: GPT
Providers:
1. Name: ada7p1
   Mediasize: 2000188135936 (1.8T)
   Sectorsize: 512
   Mode: r1w1e2
   rawuuid: 4324754d-99d6-11df-83c1-001b2151ab2d
   rawtype: 516e7cba-6ecf-11d6-8ff8-00022d09712b
   label: disk07-live
   length: 2000188135936
   offset: 1048576
   type: freebsd-zfs
   index: 1
   end: 3906619500
   start: 2048
Consumers:
1. Name: ada7
   Mediasize: 2000398934016 (1.8T)
   Sectorsize: 512
   Mode: r1w1e3

Geom name: mirror/gm0
modified: false
state: OK
fwheads: 255
fwsectors: 63
last: 156301424
first: 63
entries: 4
scheme: MBR
Providers:
1. Name: mirror/gm0s1
   Mediasize: 80026329600 (75G)
   Sectorsize: 512
   Mode: r5w5e9
   attrib: active
   rawtype: 165
   length: 80026329600
   offset: 32256
   type: freebsd
   index: 1
   end: 156301487
   start: 63
Consumers:
1. Name: mirror/gm0
   Mediasize: 80026361344 (75G)
   Sectorsize: 512
   Mode: r5w5e14

Geom name: mirror/gm0s1
modified: false
state: OK
fwheads: 255
fwsectors: 63
last: 156301424
first: 0
entries: 8
scheme: BSD
Providers:
1. Name: mirror/gm0s1a
   Mediasize: 1073741824 (1.0G)
   Sectorsize: 512
   Mode: r1w1e1
   rawtype: 7
   length: 1073741824
   offset: 0
   type: freebsd-ufs
   index: 1
   end: 2097151
   start: 0
2. Name: mirror/gm0s1b
   Mediasize: 6442450944 (6.0G)
   Sectorsize: 512
   Mode: r1w1e0
   rawtype: 1
   length: 6442450944
   offset: 1073741824
   type: freebsd-swap
   index: 2
   end: 14680063
   start: 2097152
3. Name: mirror/gm0s1d
   Mediasize: 4294967296 (4.0G)
   Sectorsize: 512
   Mode: r1w1e1
   rawtype: 7
   length: 4294967296
   offset: 7516192768
   type: freebsd-ufs
   index: 4
   end: 23068671
   start: 14680064
4. Name: mirror/gm0s1e
   Mediasize: 4294967296 (4.0G)
   Sectorsize: 512
   Mode: r1w1e1
   rawtype: 7
   length: 4294967296
   offset: 11811160064
   type: freebsd-ufs
   index: 5
   end: 31457279
   start: 23068672
5. Name: mirror/gm0s1f
   Mediasize: 63920202240 (60G)
   Sectorsize: 512
   Mode: r1w1e1
   rawtype: 7
   length: 63920202240
   offset: 16106127360
   type: freebsd-ufs
   index: 6
   end: 156301424
   start: 31457280
Consumers:
1. Name: mirror/gm0s1
   Mediasize: 80026329600 (75G)
   Sectorsize: 512
   Mode: r5w5e9

camcontrol identify:

[dan@kraken:~/bacula] $ sudo camcontrol identify
camcontrol: subcommand "identify" requires a valid device identifier
[dan@kraken:~/bacula] $ sudo camcontrol identify ada0
pass0: <hitachi HDS722020ALA330 JKAOA28A> ATA-8 SATA 2.x device
pass0: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)

protocol              ATA/ATAPI-8 SATA 2.x
device model          Hitachi HDS722020ALA330
firmware revision     JKAOA28A
serial number         JK1131YAHLJWLV
WWN                   5000cca221d68596
cylinders             16383
heads                 16
sectors/track         63
sector size           logical 512, physical 512, offset 0
LBA supported         268435455 sectors
LBA48 supported       3907029168 sectors
PIO supported         PIO4
DMA supported         WDMA2 UDMA6 
media RPM             7200

Feature                      Support  Enabled   Value           Vendor
read ahead                     yes	yes
write cache                    yes	yes
flush cache                    yes	yes
overlap                        no
Tagged Command Queuing (TCQ)   no	no
Native Command Queuing (NCQ)   yes		32 tags
SMART                          yes	yes
microcode download             yes	yes
security                       yes	no
power management               yes	yes
advanced power management      yes	no	0/0x00
automatic acoustic management  yes	no	254/0xFE	128/0x80
media status notification      no	no
power-up in Standby            yes	no
write-read-verify              no	no
unload                         no	no
free-fall                      no	no
data set management (TRIM)     no
[dan@kraken:~/bacula] $ sudo camcontrol identify ada1
pass1: <hitachi HDS722020ALA330 JKAOA3MA> ATA-8 SATA 2.x device
pass1: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)

protocol              ATA/ATAPI-8 SATA 2.x
device model          Hitachi HDS722020ALA330
firmware revision     JKAOA3MA
serial number         JK11A8B9J0671F
WWN                   5000cca222dc4662
cylinders             16383
heads                 16
sectors/track         63
sector size           logical 512, physical 512, offset 0
LBA supported         268435455 sectors
LBA48 supported       3907029168 sectors
PIO supported         PIO4
DMA supported         WDMA2 UDMA6 
media RPM             7200

Feature                      Support  Enabled   Value           Vendor
read ahead                     yes	yes
write cache                    yes	yes
flush cache                    yes	yes
overlap                        no
Tagged Command Queuing (TCQ)   no	no
Native Command Queuing (NCQ)   yes		32 tags
SMART                          yes	yes
microcode download             yes	yes
security                       yes	no
power management               yes	yes
advanced power management      yes	no	0/0x00
automatic acoustic management  no	no
media status notification      no	no
power-up in Standby            yes	no
write-read-verify              no	no
unload                         no	no
free-fall                      no	no
data set management (TRIM)     no
[dan@kraken:~/bacula] $ sudo camcontrol identify ada2
pass2: <hitachi HDS722020ALA330 JKAOA28A> ATA-8 SATA 2.x device
pass2: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)

protocol              ATA/ATAPI-8 SATA 2.x
device model          Hitachi HDS722020ALA330
firmware revision     JKAOA28A
serial number         JK1130YAH531ST
WWN                   5000cca221d068d5
cylinders             16383
heads                 16
sectors/track         63
sector size           logical 512, physical 512, offset 0
LBA supported         268435455 sectors
LBA48 supported       3907029168 sectors
PIO supported         PIO4
DMA supported         WDMA2 UDMA6 
media RPM             7200

Feature                      Support  Enabled   Value           Vendor
read ahead                     yes	yes
write cache                    yes	yes
flush cache                    yes	yes
overlap                        no
Tagged Command Queuing (TCQ)   no	no
Native Command Queuing (NCQ)   yes		32 tags
SMART                          yes	yes
microcode download             yes	yes
security                       yes	no
power management               yes	yes
advanced power management      yes	no	0/0x00
automatic acoustic management  yes	no	254/0xFE	128/0x80
media status notification      no	no
power-up in Standby            yes	no
write-read-verify              no	no
unload                         no	no
free-fall                      no	no
data set management (TRIM)     no
[dan@kraken:~/bacula] $ sudo camcontrol identify ada3
pass3: <hitachi HDS722020ALA330 JKAOA28A> ATA-8 SATA 2.x device
pass3: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)

protocol              ATA/ATAPI-8 SATA 2.x
device model          Hitachi HDS722020ALA330
firmware revision     JKAOA28A
serial number         JK1131YAGGUVAV
WWN                   5000cca221c6be3b
cylinders             16383
heads                 16
sectors/track         63
sector size           logical 512, physical 512, offset 0
LBA supported         268435455 sectors
LBA48 supported       3907029168 sectors
PIO supported         PIO4
DMA supported         WDMA2 UDMA6 
media RPM             7200

Feature                      Support  Enabled   Value           Vendor
read ahead                     yes	yes
write cache                    yes	yes
flush cache                    yes	yes
overlap                        no
Tagged Command Queuing (TCQ)   no	no
Native Command Queuing (NCQ)   yes		32 tags
SMART                          yes	yes
microcode download             yes	yes
security                       yes	no
power management               yes	yes
advanced power management      yes	no	0/0x00
automatic acoustic management  yes	no	254/0xFE	128/0x80
media status notification      no	no
power-up in Standby            yes	no
write-read-verify              no	no
unload                         no	no
free-fall                      no	no
data set management (TRIM)     no
[dan@kraken:~/bacula] $ sudo camcontrol identify ada4
pass4: <hitachi HDS722020ALA330 JKAOA28A> ATA-8 SATA 2.x device
pass4: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)

protocol              ATA/ATAPI-8 SATA 2.x
device model          Hitachi HDS722020ALA330
firmware revision     JKAOA28A
serial number         JK1130YAH5AYTT
WWN                   5000cca221d08681
cylinders             16383
heads                 16
sectors/track         63
sector size           logical 512, physical 512, offset 0
LBA supported         268435455 sectors
LBA48 supported       3907029168 sectors
PIO supported         PIO4
DMA supported         WDMA2 UDMA6 
media RPM             7200

Feature                      Support  Enabled   Value           Vendor
read ahead                     yes	yes
write cache                    yes	yes
flush cache                    yes	yes
overlap                        no
Tagged Command Queuing (TCQ)   no	no
Native Command Queuing (NCQ)   yes		32 tags
SMART                          yes	yes
microcode download             yes	yes
security                       yes	no
power management               yes	yes
advanced power management      yes	no	0/0x00
automatic acoustic management  yes	no	254/0xFE	128/0x80
media status notification      no	no
power-up in Standby            yes	no
write-read-verify              no	no
unload                         no	no
free-fall                      no	no
data set management (TRIM)     no
[dan@kraken:~/bacula] $ sudo camcontrol identify ada5
pass5: <hitachi HDS722020ALA330 JKAOA28A> ATA-8 SATA 2.x device
pass5: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)

protocol              ATA/ATAPI-8 SATA 2.x
device model          Hitachi HDS722020ALA330
firmware revision     JKAOA28A
serial number         JK1130YAH324ST
WWN                   5000cca221cf7cb3
cylinders             16383
heads                 16
sectors/track         63
sector size           logical 512, physical 512, offset 0
LBA supported         268435455 sectors
LBA48 supported       3907029168 sectors
PIO supported         PIO4
DMA supported         WDMA2 UDMA6 
media RPM             7200

Feature                      Support  Enabled   Value           Vendor
read ahead                     yes	yes
write cache                    yes	yes
flush cache                    yes	yes
overlap                        no
Tagged Command Queuing (TCQ)   no	no
Native Command Queuing (NCQ)   yes		32 tags
SMART                          yes	yes
microcode download             yes	yes
security                       yes	no
power management               yes	yes
advanced power management      yes	no	0/0x00
automatic acoustic management  yes	no	254/0xFE	128/0x80
media status notification      no	no
power-up in Standby            yes	no
write-read-verify              no	no
unload                         no	no
free-fall                      no	no
data set management (TRIM)     no
[dan@kraken:~/bacula] $ sudo camcontrol identify ada6
pass6: <hitachi HDS722020ALA330 JKAOA28A> ATA-8 SATA 2.x device
pass6: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)

protocol              ATA/ATAPI-8 SATA 2.x
device model          Hitachi HDS722020ALA330
firmware revision     JKAOA28A
serial number         JK1130YAH5NGRT
WWN                   5000cca221d0aa38
cylinders             16383
heads                 16
sectors/track         63
sector size           logical 512, physical 512, offset 0
LBA supported         268435455 sectors
LBA48 supported       3907029168 sectors
PIO supported         PIO4
DMA supported         WDMA2 UDMA6 
media RPM             7200

Feature                      Support  Enabled   Value           Vendor
read ahead                     yes	yes
write cache                    yes	yes
flush cache                    yes	yes
overlap                        no
Tagged Command Queuing (TCQ)   no	no
Native Command Queuing (NCQ)   yes		32 tags
SMART                          yes	yes
microcode download             yes	yes
security                       yes	no
power management               yes	yes
advanced power management      yes	no	0/0x00
automatic acoustic management  yes	no	254/0xFE	128/0x80
media status notification      no	no
power-up in Standby            yes	no
write-read-verify              no	no
unload                         no	no
free-fall                      no	no
data set management (TRIM)     no
[dan@kraken:~/bacula] $ sudo camcontrol identify ada7
pass7: <hitachi HDS722020ALA330 JKAOA28A> ATA-8 SATA 2.x device
pass7: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)

protocol              ATA/ATAPI-8 SATA 2.x
device model          Hitachi HDS722020ALA330
firmware revision     JKAOA28A
serial number         JK1131YAHLRGWV
WWN                   5000cca221d69a92
cylinders             16383
heads                 16
sectors/track         63
sector size           logical 512, physical 512, offset 0
LBA supported         268435455 sectors
LBA48 supported       3907029168 sectors
PIO supported         PIO4
DMA supported         WDMA2 UDMA6 
media RPM             7200

Feature                      Support  Enabled   Value           Vendor
read ahead                     yes	yes
write cache                    yes	yes
flush cache                    yes	yes
overlap                        no
Tagged Command Queuing (TCQ)   no	no
Native Command Queuing (NCQ)   yes		32 tags
SMART                          yes	yes
microcode download             yes	yes
security                       yes	no
power management               yes	yes
advanced power management      yes	no	0/0x00
automatic acoustic management  yes	no	254/0xFE	128/0x80
media status notification      no	no
power-up in Standby            yes	no
write-read-verify              no	no
unload                         no	no
free-fall                      no	no
data set management (TRIM)     no
[dan@kraken:~/bacula] $ sudo camcontrol identify ada8
pass8: <st380815as 4.AAB> ATA-7 SATA 2.x device
pass8: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)

protocol              ATA/ATAPI-7 SATA 2.x
device model          ST380815AS
firmware revision     4.AAB
serial number         9QZCXHK6
cylinders             16383
heads                 16
sectors/track         63
sector size           logical 512, physical 512, offset 0
LBA supported         156301488 sectors
LBA48 supported       156301488 sectors
PIO supported         PIO4
DMA supported         WDMA2 UDMA6 

Feature                      Support  Enabled   Value           Vendor
read ahead                     yes	yes
write cache                    yes	yes
flush cache                    yes	yes
overlap                        no
Tagged Command Queuing (TCQ)   no	no
Native Command Queuing (NCQ)   yes		32 tags
SMART                          yes	yes
microcode download             yes	yes
security                       yes	no
power management               yes	yes
advanced power management      no	no
automatic acoustic management  no	no
media status notification      no	no
power-up in Standby            no	no
write-read-verify              no	no
unload                         no	no
free-fall                      no	no
data set management (TRIM)     no
[dan@kraken:~/bacula] $ sudo camcontrol identify ada9
pass10: <wdc WD1600AAJS-75M0A0 02.03E02> ATA-8 SATA 2.x device
pass10: 300.000MB/s transfers (SATA 2.x, UDMA6, PIO 8192bytes)

protocol              ATA/ATAPI-8 SATA 2.x
device model          WDC WD1600AAJS-75M0A0
firmware revision     02.03E02
serial number         WD-WMAV3C034340
WWN                   50014ee0573ed059
cylinders             16383
heads                 16
sectors/track         63
sector size           logical 512, physical 512, offset 0
LBA supported         268435455 sectors
LBA48 supported       312500000 sectors
PIO supported         PIO4
DMA supported         WDMA2 UDMA6 

Feature                      Support  Enabled   Value           Vendor
read ahead                     yes	yes
write cache                    yes	yes
flush cache                    yes	yes
overlap                        no
Tagged Command Queuing (TCQ)   no	no
Native Command Queuing (NCQ)   yes		32 tags
SMART                          yes	yes
microcode download             yes	yes
security                       yes	no
power management               yes	yes
advanced power management      no	no
automatic acoustic management  yes	yes	128/0x80	128/0x80
media status notification      no	no
power-up in Standby            yes	no
write-read-verify              no	no
unload                         no	no
free-fall                      no	no
data set management (TRIM)     no

Lots of gpart stuff:

[dan@kraken:~/bacula] $ gpart show ada0 => 34 3907029101 ada0 GPT (1.8T) 34 2014 - free - (1.0M) 2048 3906617453 1 freebsd-zfs (1.8T) 3906619501 409634 - free - (200M) [dan@kraken:~/bacula] $ gpart show ada1 gpart: No such geom: ada1. [dan@kraken:~/bacula] $ gpart show ada0 => 34 3907029101 ada0 GPT (1.8T) 34 2014 - free - (1.0M) 2048 3906617453 1 freebsd-zfs (1.8T) 3906619501 409634 - free - (200M) [dan@kraken:~/bacula] $ gpart show ada1 gpart: No such geom: ada1. [dan@kraken:~/bacula] $ gpart show ada2 => 34 3907029101 ada2 GPT (1.8T) 34 2014 - free - (1.0M) 2048 3906617453 1 freebsd-zfs (1.8T) 3906619501 409634 - free - (200M) [dan@kraken:~/bacula] $ gpart show ada3 => 34 3907029101 ada3 GPT (1.8T) 34 2014 - free - (1.0M) 2048 3906617453 1 freebsd-zfs (1.8T) 3906619501 409634 - free - (200M) [dan@kraken:~/bacula] $ gpart show ada4 => 34 3907029101 ada4 GPT (1.8T) 34 2014 - free - (1.0M) 2048 3906617453 1 freebsd-zfs (1.8T) 3906619501 409634 - free - (200M) [dan@kraken:~/bacula] $ gpart show ada5 => 34 3907029101 ada5 GPT (1.8T) 34 2014 - free - (1.0M) 2048 3906617453 1 freebsd-zfs (1.8T) 3906619501 409634 - free - (200M) [dan@kraken:~/bacula] $ gpart show ada6 => 34 3907029101 ada6 GPT (1.8T) 34 2014 - free - (1.0M) 2048 3906617453 1 freebsd-zfs (1.8T) 3906619501 409634 - free - (200M) [dan@kraken:~/bacula] $ gpart show ada7 => 34 3907029101 ada7 GPT (1.8T) 34 2014 - free - (1.0M) 2048 3906617453 1 freebsd-zfs (1.8T) 3906619501 409634 - free - (200M) [dan@kraken:~/bacula] $ gpart show ada8 gpart: No such geom: ada8. [dan@kraken:~/bacula] $ gpart show ada9 gpart: No such geom: ada9. [dan@kraken:~/bacula] $ gpart show ada910 gpart: No such geom: ada910. [dan@kraken:~/bacula] $

gmirror:

$ gmirror list
Geom name: gm0
State: COMPLETE
Components: 2
Balance: round-robin
Slice: 4096
Flags: NONE
GenID: 0
SyncID: 9
ID: 3685004504
Providers:
1. Name: mirror/gm0
   Mediasize: 80026361344 (75G)
   Sectorsize: 512
   Mode: r5w5e14
Consumers:
1. Name: ada8
   Mediasize: 80026361856 (75G)
   Sectorsize: 512
   Mode: r1w1e1
   State: ACTIVE
   Priority: 0
   Flags: DIRTY
   GenID: 0
   SyncID: 9
   ID: 3456884141
2. Name: ada9
   Mediasize: 160000000000 (149G)
   Sectorsize: 512
   Mode: r1w1e1
   State: ACTIVE
   Priority: 0
   Flags: DIRTY
   GenID: 0
   SyncID: 9
   ID: 880733105
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