Editing Solaris 10 System Administration Part I (section)

==== using new ufs command ====

* to use a disk to store directories & files a file system must be created on the partition the system wants to use
* as root user use newfs command to create ufs file system on a disk
* newfs command is a user friendly front end to the mkfs command, which is used to create file systems
* newfs command is in /usr/sbin directory
* existing data on a disk partition will be lost once ufs is created

'''Create partition'''
<pre># format
Searching for disks...done


AVAILABLE DISK SELECTIONS:
       0. c1t0d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@1c,600000/scsi@2/sd@0,0
       1. c1t1d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@1c,600000/scsi@2/sd@1,0
       2. c1t2d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@1c,600000/scsi@2/sd@2,0
       3. c1t3d0 <SUN72G cyl 14087 alt 2 hd 24 sec 424>
          /pci@1c,600000/scsi@2/sd@3,0
Specify disk (enter its number): 3
selecting c1t3d0
[disk formatted]


FORMAT MENU:
        disk       - select a disk
        type       - select (define) a disk type
        partition  - select (define) a partition table
        current    - describe the current disk
        format     - format and analyze the disk
        repair     - repair a defective sector
        label      - write label to the disk
        analyze    - surface analysis
        defect     - defect list management
        backup     - search for backup labels
        verify     - read and display labels
        save       - save new disk/partition definitions
        inquiry    - show vendor, product and revision
        volname    - set 8-character volume name
        !<cmd>     - execute <cmd>, then return
        quit
format> partition


PARTITION MENU:
        0      - change `0' partition
        1      - change `1' partition
        2      - change `2' partition
        3      - change `3' partition
        4      - change `4' partition
        5      - change `5' partition
        6      - change `6' partition
        7      - change `7' partition
        select - select a predefined table
        modify - modify a predefined partition table
        name   - name the current table
        print  - display the current table
        label  - write partition map and label to the disk
        !<cmd> - execute <cmd>, then return
        quit
partition> modify
Select partitioning base:
        0. Current partition table (anon)
        1. All Free Hog
Choose base (enter number) [0]? 0

Part      Tag    Flag     Cylinders         Size            Blocks
  0 unassigned    wm       0 -  2060       10.00GB    (2061/0/0)   20972736
  1 unassigned    wm    2061 -  3091        5.00GB    (1031/0/0)   10491456
  2     backup    wu       0 - 14086       68.35GB    (14087/0/0) 143349312
  3          -    wu    3092 -  5152       10.00GB    (2061/0/0)   20972736
  4          -    wu    5153 -  7213       10.00GB    (2061/0/0)   20972736
  5 unassigned    wm    7214 -  9274       10.00GB    (2061/0/0)   20972736
  6 unassigned    wm    9275 -  9964        3.35GB    (690/0/0)     7021440
  7 unassigned    wm    9965 - 14086       20.00GB    (4122/0/0)   41945472

Do you wish to continue creating a new partition
table based on above table[yes]? yes
Free Hog partition[6]? 
Enter size of partition '0' [20972736b, 2061c, 10240.59mb, 10.00gb]: 10gb
Enter size of partition '1' [10491456b, 1031c, 5122.78mb, 5.00gb]: 5gb
Enter size of partition '3' [20972736b, 2061c, 10240.59mb, 10.00gb]: 5gb
Enter size of partition '4' [20972736b, 2061c, 10240.59mb, 10.00gb]: 5gb
Enter size of partition '5' [20972736b, 2061c, 10240.59mb, 10.00gb]: 5gb
Enter size of partition '7' [41945472b, 4122c, 20481.19mb, 20.00gb]: 5gb

Part      Tag    Flag     Cylinders         Size            Blocks
  0 unassigned    wm       0 -  2060       10.00GB    (2061/0/0)   20972736
  1 unassigned    wm    2061 -  3091        5.00GB    (1031/0/0)   10491456
  2     backup    wu       0 - 14086       68.35GB    (14087/0/0) 143349312
  3          -    wu    3092 -  4122        5.00GB    (1031/0/0)   10491456
  4          -    wu    4123 -  5153        5.00GB    (1031/0/0)   10491456
  5 unassigned    wm    5154 -  6184        5.00GB    (1031/0/0)   10491456
  6 unassigned    wm    6185 - 13055       33.34GB    (6871/0/0)   69919296
  7 unassigned    wm   13056 - 14086        5.00GB    (1031/0/0)   10491456

Okay to make this the current partition table[yes]? yes
Enter table name (remember quotes): "anon"

Ready to label disk, continue? y

partition> quit


FORMAT MENU:
        disk       - select a disk
        type       - select (define) a disk type
        partition  - select (define) a partition table
        current    - describe the current disk
        format     - format and analyze the disk
        repair     - repair a defective sector
        label      - write label to the disk
        analyze    - surface analysis
        defect     - defect list management
        backup     - search for backup labels
        verify     - read and display labels
        save       - save new disk/partition definitions
        inquiry    - show vendor, product and revision
        volname    - set 8-character volume name
        !<cmd>     - execute <cmd>, then return
        quit
format> save
Saving new disk and partition definitions
Enter file name["./format.dat"]: ./format-c1t30s0.dat    
format> quit</pre>

'''Create ufs'''
<pre># newfs /dev/rdsk/c1t3d0s0
newfs: construct a new file system /dev/rdsk/c1t3d0s0: (y/n)? y
Warning: 2880 sector(s) in last cylinder unallocated
/dev/rdsk/c1t3d0s0:     20972736 sectors in 3414 cylinders of 48 tracks, 128 sectors
        10240.6MB in 214 cyl groups (16 c/g, 48.00MB/g, 5824 i/g)
super-block backups (for fsck -F ufs -o b=#) at:
 32, 98464, 196896, 295328, 393760, 492192, 590624, 689056, 787488, 885920,
 20055584, 20154016, 20252448, 20350880, 20449312, 20547744, 20646176,
 20744608, 20843040, 20941472
#</pre>

ufs command outputs basic disk geometry & ufs created on slice 0 (c1t3d0s0), the beginning sector locations of backup superblocks also displayed

nfs -i command is used to specify density of the number of bytes per inode in file system

'''Determine number of bytes per inode (nbpi) with mkfs -m command:'''
<pre># mkfs -m /dev/rdsk/c1t3d0s0
mkfs -F ufs -o nsect=128,ntrack=48,bsize=8192,fragsize=1024,cgsize=16,free=1,rps=167,nbpi=8155,opt=t,apc=0,gap=0,nrpos=8,maxcontig=128,mtb=n /dev/rdsk/c1t3d0s0 20972736
#</pre>

repeat process for each partition and slice that needs a new file system