01-06-2010
We are working on a similar issue in the following thread. You might want to reference this if you wish to.
Mirroring
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1. Solaris
Hi Guys,
Need to add 2 disks into a JBOD array (3310).
Does anyone see anything wrong with my Procedure / Doco below?
1> Logon to system, check system logs for abnormal entries.
2> Make backups of related system files:
A>cp -p /etc/system /etc/system.backup.081505
B>cp -p /etc/vfstab... (3 Replies)
Discussion started by: BG_JrAdmin
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2. UNIX for Advanced & Expert Users
Hello!
I recently inherited system administration duties for a SUN v880 box. The system has 6 physical hard disks.. In doing some basic maintenance, I found they're configured for mirroring. I ran the metastat and metadb commands, and many of the mirrors are showing they are in need of... (5 Replies)
Discussion started by: ghuber
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3. Solaris
hi expert,
sorry i'm new in solaris system, need more advice and help :)
i'm confusing with mirroring disk at my sparc v890 solaris 8, i have 6 harddisk which the structure shown below :
format :
AVAILABLE DISK SELECTIONS:
0. c1t0d0 <SUN146G cyl 14087 alt 2 hd 24 sec 848>
... (4 Replies)
Discussion started by: bucci
4 Replies
4. Solaris
I am having an issue with setting up disk mirroring for Solaris 10 on an x86 server. My main problem is that the volumes and slices have already been setup and our proprietary software has already been installed and configured. The entire drive has been allocated in this configuration and the... (2 Replies)
Discussion started by: chuck43
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5. Solaris
Has anyone managed to set up disk mirroring in Solaris 10 yet? If so can you point me in the direction of some useful documentation please.
Cheers (25 Replies)
Discussion started by: korfnz
25 Replies
6. Solaris
Hi Friends,
I am having Sun Solaris 5.8 OS installed having 2 different size hard disk, sizes are c0t0d0s0(160 GB) and c0t2d0s0 (40GB). I have installed Sun Solaris 5.8 OS in c0t0d0s0 (160GB) harddisk.
I have configured all the parameters required for disk mirroring. But when executing... (4 Replies)
Discussion started by: Vijayakumarpc
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7. Solaris
Hi all
I wish to undo the mirroring for root and update the Solaris version from 8 to 10. Since i am lack of knowledge and experience on this, hope you all can help me double check the step and correct me.
Existing disk groups details
root@leo # vxdg list
NAME STATE ID... (3 Replies)
Discussion started by: SmartAntz
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8. Solaris
Need a procedure document to do "root disk mirroring in solaris volume manager for solaris 10". I hope some one will help me asap. I need to do it production environment.
Let me know if you need any deatils on this.
Thanks,
Rama (1 Reply)
Discussion started by: ramareddi16
1 Replies
9. Solaris
Hi Guys,
I have an issue with my Hotspares/Metastat on an x4270m2.
I have no hotspares available, when i printed out my metastat i got
d21: Concat/Stripe
Size: 33559785 blocks (16 GB)
Stripe 0:
Device Start Block Dbase Reloc
... (0 Replies)
Discussion started by: A-Train
0 Replies
10. Solaris
I would like to perform root disk mirroring task. Can someone please help me out on this.
Thanks !!
Regards,
Rama (2 Replies)
Discussion started by: ramagore85
2 Replies
LEARN ABOUT CENTOS
prtvtoc
prtvtoc(1M) System Administration Commands prtvtoc(1M)
NAME
prtvtoc - report information about a disk geometry and partitioning
SYNOPSIS
prtvtoc [-fhs] [-t vfstab] [-m mnttab] device
DESCRIPTION
The prtvtoc command allows the contents of the label to be viewed. The command can be used only by the super-user.
The device name can be the file name of a raw device in the form of /dev/rdsk/c?t?d?s2 or can be the file name of a block device in the
form of /dev/dsk/c?t?d?s2.
OPTIONS
The following options are supported:
-f Report on the disk free space, including the starting block address of the free space, number of blocks, and unused parti-
tions.
-h Omit the headers from the normal output.
-m mnttab Use mnttab as the list of mounted filesystems, in place of /etc/mnttab.
-s Omit all headers but the column header from the normal output.
-t vfstab Use vfstab as the list of filesystem defaults, in place of /etc/vfstab.
EXAMPLES
Example 1: Using the prtvtoc Command
The following example uses the prtvtoc command on a 424-megabyte hard disk:
example# prtvtoc /dev/rdsk/c0t3d0s2
* /dev/rdsk/c0t3d0s2 partition map
*
* Dimension:
* 512 bytes/sector
* 80 sectors/track
* 9 tracks/cylinder
* 720 sectors/cylinder
* 2500 cylinders
* 1151 accessible cylinders
*
* Flags:
* 1: unmountable
* 10: read-only
* * First Sector Last
* Partition Tag Flags Sector Count Sector Mount Directory
0 2 00 0 76320 76319 /
1 3 01 76320 132480 208799
2 5 00 0 828720 828719
5 6 00 208800 131760 340559 /opt
6 4 00 340560 447120 787679 /usr
7 8 00 787680 41040 828719 /export/home
example#
The data in the Tag column above indicates the type of partition, as follows:
Name Number
UNASSIGNED 0x00
BOOT 0x01
ROOT 0x02
SWAP 0x03
USR 0x04
BACKUP 0x05
STAND 0x06
VAR 0x07
HOME 0x08
ALTSCTR 0x09
CACHE 0x0a
RESERVED 0x0b
The data in the Flags column above indicates how the partition is to be mounted, as follows:
Name Number
MOUNTABLE, READ AND WRITE 0x00
NOT MOUNTABLE 0x01
MOUNTABLE, READ ONLY 0x10
Example 2: Using the prtvtoc Command with the -f Option
The following example uses the prtvtoc command with the -f option on a 424-megabyte hard disk:
example# prtvtoc -f /dev/rdsk/c0t3d0s2
FREE_START=0 FREE_SIZE=0 FREE_COUNT=0 FREE_PART=34
Example 3: Using the prtvtoc Command on a Disk Over One Terabyte
The following example uses uses the prtvtoc command on a disk over one terabyte:.
example# prtvtoc /dev/rdsk/c1t1d0s2
* /dev/rdsk/c1t1d0s2 partition map
*
* Dimensions:
* 512 bytes/sector
* 3187630080 sectors
* 3187630013 accessible sectors
*
* Flags:
* 1: unmountable
* 10: read-only
*
* First Sector Last
* Partition Tag Flags Sector Count Sector Mount Directory
0 2 00 34 262144 262177
1 3 01 262178 262144 524321
6 4 00 524322 3187089340 3187613661
8 11 00 3187613662 16384 318763004
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsu |
+-----------------------------+-----------------------------+
SEE ALSO
devinfo(1M), fmthard(1M), format(1M), mount(1M), attributes(5)
WARNINGS
The mount command does not check the "not mountable" bit.
SunOS 5.10 25 Jul 2002 prtvtoc(1M)