Here is a rather long example:
$ df -k
Filesystem kbytes used avail capacity Mounted on
/dev/md/dsk/d0 4138926 1274597 2822940 32% /
/proc 0 0 0 0% /proc
fd 0 0 0 0% /dev/fd
mnttab 0 0 0 0% /etc/mnttab
/dev/md/dsk/d3 8268461 467317 7718460 6% /var
swap 16650904 32 16650872 1% /var/run
swap 16824824 173952 16650872 2% /tmp
/dev/md/dsk/d4 8268461 605134 7580643 8% /opt
/dev/md/dsk/d83 30979101 18875280 11794030 62% /export/proj2r1
/dev/md/dsk/d81 82610963 35449614 46335240 44% /export/proj1r1
/dev/md/dsk/d82 82610963 39879651 41905203 49% /export/proj1r3
/dev/md/dsk/d84 30979101 15762265 14907045 52% /export/proj2r3
/dev/md/dsk/d85 103263708 5995033 96236038 6% /export/proj7r1
/dev/md/dsk/d96 103263708 32091905 70139166 32% /export/proj7r4
/dev/md/dsk/d95 103263708 17120678 85110393 17% /export/proj7r2
/dev/md/dsk/d93 30979101 9359901 21309409 31% /export/proj2r2
/dev/md/dsk/d91 82610963 38350560 43434294 47% /export/proj1r2
/dev/md/dsk/d94 30979101 26929254 3740056 88% /export/proj2r4
/dev/md/dsk/d86 103263708 31027946 71203125 31% /export/proj7r3
/dev/md/dsk/d92 82610963 37786724 43998130 47% /export/proj1r4
/dev/md/dsk/d6 8268461 355885 7829892 5% /usr/local
/dev/md/dsk/d97 516318605 433553079 77602340 85% /export/proj3r2
/dev/md/dsk/d87 516318605 435169703 75985716 86% /export/proj3r1
/dev/md/dsk/d115 5162822 5139 5106055 1% /export/proj4r3
/dev/md/dsk/d113 5162822 8966 5102228 1% /export/proj4r1
/dev/md/dsk/d116 5162822 5139 5106055 1% /export/proj4r4
/dev/md/dsk/d112 206527432 43134568 161327590 22% /export/proj9r
/dev/md/dsk/d101 485339487 431735998 48750095 90% /export/proj3r3
/dev/md/dsk/d114 5162822 5139 5106055 1% /export/proj4r2
/dev/md/dsk/d102 485339487 420466164 60019929 88% /export/proj3r4
/dev/md/dsk/d122 30980158 30737 30639620 1% /export/proj2r5
/dev/md/dsk/d121 82614151 65553 81722457 1% /export/proj1r5
/dev/md/dsk/d125 51634432 51219 51066869 1% /export/proj7r5
/dev/md/dsk/d111 722843517 219142726 496472356 31% /export/proj6r
/dev/md/dsk/d124 5162934 5137 5106168 1% /export/proj4r5
/dev/md/dsk/d123 413076399 372186945 36758691 92% /export/proj3r5
/dev/md/dsk/d104 5162934 5137 5106168 1% /export/app_a2/proj4r5
/dev/md/dsk/d127 5162934 5137 5106168 1% /export/app_a1/proj4r5
/dev/md/dsk/d126 41307067 24055730 16838267 59% /export/app_a1/proj1r5
/dev/md/dsk/d103 41307067 24351935 16542062 60% /export/app_a2/proj1r5
$
$ metastat -p
d0 -m d10 d20 1
d10 1 1 c1t0d0s0
d20 1 1 c1t1d0s0
d1 -m d11 d21 1
d11 1 1 c1t0d0s1
d21 1 1 c1t1d0s1
d3 -m d13 d23 1
d13 1 1 c1t0d0s3
d23 1 1 c1t1d0s3
d4 -m d14 d24 1
d14 1 1 c1t0d0s4
d24 1 1 c1t1d0s4
d6 -m d16 d26 1
d16 1 1 c1t0d0s6
d26 1 1 c1t1d0s6
d7 -m d17 d27 1
d17 1 1 c1t0d0s7
d27 1 1 c1t1d0s7
d80 -p c2t600C0FF000000000086A4C7AA9CCC200d0s0 -o 1 -b 409600
d81 -p c2t600C0FF000000000086A4C7AA9CCC200d0s0 -o 409602 -b 167772160
d82 -p c2t600C0FF000000000086A4C7AA9CCC200d0s0 -o 168181763 -b 167772160
d83 -p c2t600C0FF000000000086A4C7AA9CCC200d0s0 -o 335953924 -b 62914560
d84 -p c2t600C0FF000000000086A4C7AA9CCC200d0s0 -o 398868485 -b 62914560
d85 -p c2t600C0FF000000000086A4C7AA9CCC200d0s0 -o 461783046 -b 209715200
d86 -p c2t600C0FF000000000086A4C7AA9CCC200d0s0 -o 671498247 -b 209715200
d87 -p c2t600C0FF000000000086A4C7AA9CCC200d0s0 -o 881213448 -b 1048576000
d90 -p c2t600C0FF000000000086A4C44AC0B8600d0s0 -o 1 -b 409600
d91 -p c2t600C0FF000000000086A4C44AC0B8600d0s0 -o 409602 -b 167772160
d92 -p c2t600C0FF000000000086A4C44AC0B8600d0s0 -o 168181763 -b 167772160
d93 -p c2t600C0FF000000000086A4C44AC0B8600d0s0 -o 335953924 -b 62914560
d94 -p c2t600C0FF000000000086A4C44AC0B8600d0s0 -o 398868485 -b 62914560
d95 -p c2t600C0FF000000000086A4C44AC0B8600d0s0 -o 461783046 -b 209715200
d96 -p c2t600C0FF000000000086A4C44AC0B8600d0s0 -o 671498247 -b 209715200
d97 -p c2t600C0FF000000000086A4C44AC0B8600d0s0 -o 881213448 -b 1048576000
d100 -p c2t600C0FF000000000086A4C498D854200d0s0 -o 1 -b 409600
d101 -p c2t600C0FF000000000086A4C498D854200d0s0 -o 409602 -b 985661440
d102 -p c2t600C0FF000000000086A4C498D854200d0s0 -o 986071043 -b 985661440
d103 -p c2t600C0FF000000000086A4C1A6991D300d0s0 -o 1279672329 -b 83886080
d104 -p c2t600C0FF000000000086A4C1A6991D300d0s0 -o 1363558410 -b 10485760
d110 -p c2t600C0FF000000000086A4C3795679100d0s0 -o 1 -b 409600
d111 -p c2t600C0FF000000000086A4C3795679100d0s0 -o 409602 -b 1468006400
d112 -p c2t600C0FF000000000086A4C3795679100d0s0 -o 1468416003 -b 419430400
d113 -p c2t600C0FF000000000086A4C3795679100d0s0 -o 1887846404 -b 10485760
d114 -p c2t600C0FF000000000086A4C3795679100d0s0 -o 1898332165 -b 10485760
d115 -p c2t600C0FF000000000086A4C3795679100d0s0 -o 1908817926 -b 10485760
d116 -p c2t600C0FF000000000086A4C3795679100d0s0 -o 1919303687 -b 10485760
d120 -p c2t600C0FF000000000086A4C1A6991D300d0s0 -o 1 -b 409600
d121 -p c2t600C0FF000000000086A4C1A6991D300d0s0 -o 409602 -b 167772160
d122 -p c2t600C0FF000000000086A4C1A6991D300d0s0 -o 168181763 -b 62914560
d123 -p c2t600C0FF000000000086A4C1A6991D300d0s0 -o 231096324 -b 838860800
d124 -p c2t600C0FF000000000086A4C1A6991D300d0s0 -o 1069957125 -b 10485760
d125 -p c2t600C0FF000000000086A4C1A6991D300d0s0 -o 1080442886 -b 104857600
d126 -p c2t600C0FF000000000086A4C1A6991D300d0s0 -o 1185300487 -b 83886080
d127 -p c2t600C0FF000000000086A4C1A6991D300d0s0 -o 1269186568 -b 10485760
$
From the metastat output you can see that the root disk is a mirror of c1t0d0 and c1t1d0. The slices used are s0 , s1 , s3, s4, s6 and s7 and these are used to creat the mirrors d0, d1, d3, d4, d6 and d7
So:
c1t0d0s0 and c1t1d0s0 is /
c1t0d0s3 and c1t1d0s3 is /var
c1t0d0s4 and c1t1d0s4 is /opt
c1t0d0s6 and c1t1d0s6 is /usr/local
So what about d1 and d7 ?
d1 is swap and d7 is not mounted or used, which is a bit strange as we normaly use slice7 for the metadb, but on this server slice 5 is used for the metadb
$ metadb
flags first blk block count
a m p luo 16 1034 /dev/dsk/c1t0d0s5
a p luo 1050 1034 /dev/dsk/c1t0d0s5
a p luo 16 1034 /dev/dsk/c1t1d0s5
a p luo 1050 1034 /dev/dsk/c1t1d0s5
a p luo 2084 1034 /dev/dsk/c1t0d0s5
a p luo 2084 1034 /dev/dsk/c1t1d0s5
$
$ swap -l
swapfile dev swaplo blocks free
/dev/md/dsk/d1 85,1 16 16790384 16590960
$
Thats the easy bit, the internal root disks, But how about those other metadevices ?
The other metadevices are soft partitions made on logical drives from 5 3510 disk arrays and you need a few more commands to work out what is what.
# sccli
sccli: selected device /dev/rdsk/c2t600C0FF000000000086A4C1A6991D300d0s2 [SUN StorEdge 3510 SN#086A4C]
sccli> show logical-drives
LD LD-ID Size Assigned Type Disks Spare Failed Status
------------------------------------------------------------------------
ld0 44AC0B86 955.34GB Primary RAID5 8 2 0 Good
Write-Policy Default StripeSize 128KB
ld1 37956791 955.34GB Primary RAID5 8 2 0 Good
Write-Policy Default StripeSize 128KB
ld2 498D8542 955.34GB Primary RAID5 8 2 0 Good
Write-Policy Default StripeSize 128KB
ld3 7AA9CCC2 955.34GB Primary RAID5 8 2 0 Good
Write-Policy Default StripeSize 128KB
ld4 1A6991D3 681.16GB Primary RAID5 11 3 0 Good
Write-Policy Default StripeSize 128KB
sccli> quit
#
# echo | format
Searching for disks...done
AVAILABLE DISK SELECTIONS:
0. c1t0d0 <SUN146G cyl 14087 alt 2 hd 24 sec 848>
/pci@9,600000/SUNW,qlc@2/fp@0,0/ssd@w21000011c6c06310,0
1. c1t1d0 <SUN146G cyl 14087 alt 2 hd 24 sec 848>
/pci@9,600000/SUNW,qlc@2/fp@0,0/ssd@w21000011c6c0cd97,0
2. c2t600C0FF000000000086A4C1A6991D300d0 <SUN-StorEdge3510-411I cyl 65533 alt 2 hd 64 sec 340>
/scsi_vhci/ssd@g600c0ff000000000086a4c1a6991d300
3. c2t600C0FF000000000086A4C7AA9CCC200d0 <SUN-StorEdge3510-411I cyl 65533 alt 2 hd 64 sec 477>
/scsi_vhci/ssd@g600c0ff000000000086a4c7aa9ccc200
4. c2t600C0FF000000000086A4C44AC0B8600d0 <SUN-StorEdge3510-411I cyl 65533 alt 2 hd 64 sec 477>
/scsi_vhci/ssd@g600c0ff000000000086a4c44ac0b8600
5. c2t600C0FF000000000086A4C498D854200d0 <SUN-StorEdge3510-411I cyl 65533 alt 2 hd 64 sec 477>
/scsi_vhci/ssd@g600c0ff000000000086a4c498d854200
6. c2t600C0FF000000000086A4C3795679100d0 <SUN-StorEdge3510-411I cyl 65533 alt 2 hd 64 sec 477>
/scsi_vhci/ssd@g600c0ff000000000086a4c3795679100
Specify disk (enter its number): Specify disk (enter its number):
#
Above you can see that we have 5 logical drives, ld0 -> ld4. Using all this output we get the following.
Drive 4 is logical drive ld0 and is metadevice d90 (relavent sections are in bold)
ld0 is 955GB and is a RAID5 of 8 physical disks
metadevice d90 is split up into soft partitions d91 -> d96
You can see what d91 -> d96 is mounted as in the df -k output
If you want to know what disks make up ld0 (d90) you will need to use sccli and run the command show disks. The output below has been edited, I didn't want to list all 75 disks.
sccli> show disks
Ch Id Size Speed LD Status IDs Rev
----------------------------------------------------------------------------
2(3) 0 136.73GB 200MB ld0 ONLINE SEAGATE ST314680FSUN146G 0407
S/N 3HY9TSV500007523
WWNN 20000011C659DDCE
2(3) 5 136.73GB 200MB ld0 ONLINE SEAGATE ST314680FSUN146G 0407
S/N 3HY9TV9Y00007523
WWNN 20000011C659E435
2(3) 19 136.73GB 200MB ld0 ONLINE SEAGATE ST314680FSUN146G 0407
S/N 3HY9TT2700007523
WWNN 20000011C659DE23
2(3) 20 136.73GB 200MB ld0 ONLINE SEAGATE ST314680FSUN146G 0407
S/N 3HY9TMJ000007523
WWNN 20000011C659D02D
2(3) 23 136.73GB 200MB ld0 ONLINE SEAGATE ST314680FSUN146G 0407
S/N 3HY9TNJX00007523
WWNN 20000011C659D0B7
2(3) 27 136.73GB 200MB ld0 ONLINE FUJITSU MAT3147F SUN146G 0602
S/N 000525C03GKA
WWNN 500000E011350410
2(3) 32 136.73GB 200MB ld0 ONLINE SEAGATE ST314670FSUN146G 0354
S/N 1740X8DJ
WWNN 20000011C6C062DA
2(3) 33 136.73GB 200MB ld0 ONLINE SEAGATE ST314670FSUN146G 0354
S/N 1740YWX4
WWNN 20000011C6C090E2
A long example, but hopefully covers what you might have on your end.
Just for completeness of this example, this is how the root disk is partitioned..
Total disk cylinders available: 14087 + 2 (reserved cylinders)
Part Tag Flag Cylinders Size Blocks
0 root wm 0 - 412 4.01GB (413/0/0) 8405376
1 swap wu 413 - 1237 8.01GB (825/0/0) 16790400
2 backup wm 0 - 14086 136.71GB (14087/0/0) 286698624
3 var wm 1238 - 2062 8.01GB (825/0/0) 16790400
4 unassigned wm 2063 - 2887 8.01GB (825/0/0) 16790400
5 unassigned wm 2888 - 2889 19.88MB (2/0/0) 40704
6 usr wm 2890 - 3714 8.01GB (825/0/0) 16790400
7 unassigned wm 3715 - 14086 100.66GB (10372/0/0) 211090944
I don't like the way its sliced up, but this server has been around here longer then I have been.