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Solaris The Solaris Operating System, usually known simply as Solaris, is a Unix-based operating system introduced by Sun Microsystems. The Solaris OS is now owned by Oracle.

How to use FORMAT and PARTITION command on Solaris 9

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Old 02-07-2007
duke0001 duke0001 is offline
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How to use FORMAT and PARTITION command on Solaris 9

I am seeking advice from experts in this forum. Please help me.

I have tow disks on Sun Sparc box. Disk one has been installed Solaris 9 system. The disk two has been partitioned as one disk with 140 GB on the partition /dev/dsk/c1t1d0s6. Right now, I want to modify it as two partitions. I have typed ' man format' to read the description. But I am still not sure about these synopsises. I like to partition disk two as two partitions. one will be using the same partition as /dev/dsk/c1t1d0s6 with about 90 GB. another partition will be /dev/dsk/c1t1d0s5 with about 50 GB. Could you please help me on necessary steps using FORMAT or PARTITION commands with options. I will appreciated your kindness very much. The current partitioned table layout like this:

Part tag flag cylinders size
0 root wm 0 - 12 129.19MB
1 swap wu 13 - 25 129.19MB
2 backup wu 0 - 14086 136.71GB
3 unassigned wm 0 0
4 unassigned wm 0 0
5 unassigned wm 0 0
6 usr wm 26 - 14086 136.36GB
7 unassigned wm 0 0

Last edited by duke0001; 02-07-2007 at 11:55 AM..
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Old 02-07-2007
suntac suntac is offline
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Quote:
Originally Posted by duke0001
I am seeking advice from experts in this forum. Please help me.

I have tow disks on Sun Sparc box. Disk one has been installed Solaris 9 system. The disk two has been partitioned as one disk with 140 GB on the partition /dev/dsk/c1t1d0s6. Right now, I want to modify it as two partitions. I have typed ' man format' to read the description. But I am still not sure about these synopsises. I like to partition disk two as two partitions. one will be using the same partition as /dev/dsk/c1t1d0s6 with about 90 GB. another partition will be /dev/dsk/c1t1d0s5 with about 50 GB. Could you please help me on necessary steps using FORMAT or PARTITION commands with options. I will appreciated your kindness very much.

you can use the format command to format a drive.... for example: format /dev/rdsk/c0t5d0s2

You can use partition in the format menu to partition your disk...

Regards,
Johan Louwers.
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Old 02-07-2007
mhm4 mhm4 is offline
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Quote:
Originally Posted by suntac
you can use the format command to format a drive.... for example: format /dev/rdsk/c0t5d0s2

You can use partition in the format menu to partition your disk...

Regards,
Johan Louwers.



The drive is already formatted. Just change the partitions using the format command -> par -> select slice -> label the disk and you are done.
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Old 02-07-2007
duke0001 duke0001 is offline
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Thanks. I have done with these steps.
1. umount current filesystem.
2. use format / partition / modify to re-partition 2nd disk into 2 partitions. One is 36GB and another one is 100GB.
3. re-create filesystem on each of partition and mount them. Done!!
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Old 02-08-2007
lowbyte lowbyte is offline
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Hey,

you're sure you take partition number 2 or partition 2 (number 1)?
Remember - partition 2 is the whole disk, don't change this partition!!

Changing partitions is easy:
format -> partition -> number of partition
set new values
when ready take a look with print partition table,
the label the disk.
After quit the format program, construct new filesystems
on your new partitions and mount them. Don't forget the /etc/vfstab

CU
lowbyte
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Old 02-08-2007
duke0001 duke0001 is offline
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lowbyte:

Thanks for your help. I worked on 2nd disk (I also have 1st disk with partition) to modify original partition as two partitions. One is named as /dev/dsk/c1t1d0s6 and another one as /dev/dsk/c1t1d0s7. Then I check the cylinders and label the partition. Then I rebuilt FS and mount them.
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Old 11-09-2007
panchpan panchpan is offline
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I am finding difficulty in creating and allocating correct size to File Systems on solarix x86 box. Please see below contents I followed on screen and in the end It shows that /app file system is created of size 135GB , I wanted it to be 30gb as mentioned during 'format' command in 'Enter Partitiion size' :

root@unknown # df -k
Filesystem kbytes used avail capacity Mounted on
/dev/dsk/c0t0d0s0 15496821 7472292 7869561 49% /
/devices 0 0 0 0% /devices
ctfs 0 0 0 0% /system/contract
proc 0 0 0 0% /proc
mnttab 0 0 0 0% /etc/mnttab
swap 17574616 808 17573808 1% /etc/svc/volatile
objfs 0 0 0 0% /system/object
/usr/lib/libc/libc_hwcap2.so.1
15496821 7472292 7869561 49% /lib/libc.so.1
fd 0 0 0 0% /dev/fd
swap 17573844 36 17573808 1% /tmp
swap 17573840 32 17573808 1% /var/run
root@unknown # format
Searching for disks...done


AVAILABLE DISK SELECTIONS:
0. c0t0d0 <DEFAULT cyl 17832 alt 2 hd 255 sec 63>
/pci@0,0/pci1022,7450@2/pci1000,3060@3/sd@0,0
1. c0t2d0 <DEFAULT cyl 17846 alt 2 hd 255 sec 63>
/pci@0,0/pci1022,7450@2/pci1000,3060@3/sd@2,0
2. c0t3d0 <DEFAULT cyl 17845 alt 2 hd 255 sec 63>
/pci@0,0/pci1022,7450@2/pci1000,3060@3/sd@3,0
Specify disk (enter its number): 0
selecting c0t0d0
[disk formatted]
Warning: Current Disk has mounted partitions.
/dev/dsk/c0t0d0s0 is currently mounted on /. Please see umount(1M).
/dev/dsk/c0t0d0s1 is currently used by swap. Please see swap(1M).


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
fdisk - run the fdisk program
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> p


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> p
Current partition table (original):
Total disk cylinders available: 17832 + 2 (reserved cylinders)

Part Tag Flag Cylinders Size Blocks
0 root wm 524 - 2482 15.01GB (1959/0/0) 31471335
1 swap wu 1 - 523 4.01GB (523/0/0) 8401995
2 backup wm 0 - 17831 136.60GB (17832/0/0) 286471080
3 unassigned wm 2483 - 4441 15.01GB (1959/0/0) 31471335
4 unassigned wm 0 0 (0/0/0) 0
5 unassigned wm 0 0 (0/0/0) 0
6 unassigned wm 0 0 (0/0/0) 0
7 unassigned wm 0 0 (0/0/0) 0
8 boot wu 0 - 0 7.84MB (1/0/0) 16065
9 unassigned wm 0 0 (0/0/0) 0

partition> 3
Part Tag Flag Cylinders Size Blocks
3 unassigned wm 2483 - 4441 15.01GB (1959/0/0) 31471335

Enter partition id tag[unassigned]: usr
Enter partition permission flags[wm]:
Enter new starting cyl[2483]: 2483
Enter partition size[31471335b, 1959c, 4441e, 15366.86mb, 15.01gb]: 30gb

partition> p
Current partition table (unnamed):
Total disk cylinders available: 17832 + 2 (reserved cylinders)

Part Tag Flag Cylinders Size Blocks
0 root wm 524 - 2482 15.01GB (1959/0/0) 31471335
1 swap wu 1 - 523 4.01GB (523/0/0) 8401995
2 backup wm 0 - 17831 136.60GB (17832/0/0) 286471080
3 usr wm 2483 - 6399 30.01GB (3917/0/0) 62926605
4 unassigned wm 0 0 (0/0/0) 0
5 unassigned wm 0 0 (0/0/0) 0
6 unassigned wm 0 0 (0/0/0) 0
7 unassigned wm 0 0 (0/0/0) 0
8 boot wu 0 - 0 7.84MB (1/0/0) 16065
9 unassigned wm 0 0 (0/0/0) 0
partition> label
Ready to label disk, continue? y
partition>q

root@unknown # newfs /dev/rdsk/c0t0d0s2
newfs: construct a new file system /dev/rdsk/c0t0d0s2: (y/n)? y
Warning: 5208 sector(s) in last cylinder unallocated
/dev/rdsk/c0t0d0s2: 286471080 sectors in 46627 cylinders of 48 tracks, 128 sectors
139878.5MB in 2915 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,
Initializing cylinder groups:
..........................................................
super-block backups for last 10 cylinder groups at:
285576352, 285674784, 285773216, 285871648, 285970080, 286068512, 286166944,
286265376, 286363808, 286462240
root@unknown # mount /dev/dsk/c0t0d0s2 /app
root@unknown # df -k /app
Filesystem kbytes used avail capacity Mounted on
/dev/dsk/c0t0d0s2 141066718 65553 139590498 1% /app
root@unknown #

Please advice, what is wrong I am doing above?
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