Disk mirroring using solaris volume manager azizs blog. Partition 1 ends at 266338338 it must be between 34 and 143374704. Do not use utillinux fdisk, cfdisk or sfdisk to change the type codes in a gpt disk. No cylinder information is stored in the efi label. Select one of the following to create a solaris fdisk partition for a disk on an x86 system or create an smi label for a disk on a sparc system. I am new to zfs file systems and slightly stuck when trying to create a partition slice on one of my luns. Slices 07 are used for the same purposes as sparc smi labels. Also discovered one weird solaris bug that is suppose to be fixed in. The fdisk command is a textbased utility for viewing and managing hard disk partitions on linux. Creating and examining a disk label oracle solaris administration. Installing solaris from a usb disk oracle the good, the. Use of this option will zero out the vtoc on the solaris partition if the fdisk table changes. In this article, we will explain how to change or modify linux partition label names on ext4, ext3, ext2, swap, ntfs, reiserfs, etc, using special utilities.
While using smi label also called as smi vtoc, solaris fails to. May 10, 20 also, you will want to record the current slice map. If you fail to label a disk after you create slices, the slices will be unavailable because the os has no way of knowing about the slices. How to create a ufs filesystem on a newly added disk in. X86 systems that supports grub 2 boots from an efi gpt labeled disk. Look for the efi system partition in the list, it is a small usually about 100550 mib partition with a type efi system or efi fat121632. Get the label geometry for disk and display on stdout see the s. Please see below contents i followed on screen and in the end it shows that app file system is created of size. Uefi gpt fdisk web site other useful business software ftmaintenance is an easytouse, yet robust cloudbased cmms solution that automates maintenance tasks and connects you with. How change type of hard disk with the format command of. Ia only solaris slices are sometimes called partitions. Sgi or osf disklabel building a new dos disklabel with disk identifier 0xe4909079.
Use of this option will zero out the vtoc on the solaris. Sep 30, 2015 efi label supports physical disks and logical volumes that are 2 tb in size. Mar 21, 2015 other disk management software like oracle asm or solaris volume manager also requires a disk label and partition before the physical disk can be used by these disk management software. Provision is made upto 16 slices but only 10 of these are used 8.
Label a disk with a vtoc or an efi label for a disk 2 terabytes in size. Since cfgadm only knows about hardware, not software slices. Partition overlaps another partition while creating new parition in solaris. Solaris on 32bit sparc platforms only supports booting from smi labeled disks. Fdisk is a partition maintenance program which available by default in all flavoured operating system and can be used to divide space on the disk into parti tions and set one active. I am finding difficulty in creating and allocating correct size to file systems on solarix x86 box. Efi labels are only supported by 64 bit solaris 9 u 0403 or later. If you want to use the disks for the install, use format1m to label the disk and restart the. Use fdisk to see partition of c0d0 and after cretae same on c0d1. Dec 16, 2015 fdisk stands for fixed disk or format disk is an most commonly used commandline based disk manipulation utility for a linuxunix systems. Jun 16, 2016 there might be an easier way but i dont remember it. Zfs root pool recommendations and requirements charanjitwiki. Ensure that this disk is not currently in use before proceeding to use fdisk.
I can not change from efi to smi label, or atleast zpool replace complains on my attempts to replace a mirrored root drive. Listed below are some of the characteristics and patterns that can help identify and. Jan 02, 2012 whenever we detect a new disk in solaris operating system, the first operation we perform is disk label using the format command. After a standard install of oracle solaris 11 express, well have our system disk configured as a zfs root pool called rpool. But it shows us having successfully removed the efi label and put on a new label. In previous releases, you also had to use an efi label for a disk that is larger than 1 tb. A couple of questions i hope someone can help me with, with regard to solaris 10 on sparc. Use the format utility to partition disks with efi labels. Forming a part of the unified extensible firmware interface uefi standard unified. Fdisk is a partition maintenance program which available by default in all flavoured operating system and can be used to divide space on the disk into partitions and set one active. This is kind of an adjunct to part 4 of my server upgrade chronicles. Internally, gpt fdisk translates these codes to guids. In this solaris release, you can install and boot the solaris os from a disk that is up to 2 tb in size.
Yes i applied the efi label with fdisk but no issue as fdisk want a number of partition. On x86based systems, you can use the fdisk command on a disk with an efi. Dec 26, 2019 fdisk is a command line partition editor that allows you to create, edit, and manage the partitions on your computers hard drives from the command line. To confirm this is the esp, mount it and check whether it contains a directory named efi, if it does this is definitely the esp. This web page, and the associated software, is provided free of charge and with no annoying outside ads.
If your hard drive is in the guid partition table gpt partition style, it will automatically generate an efi system partition after you. How change type of hard disk with the format command of solaris. Special linux utilities to mount partition with label names 1. By joining our community you will have the ability to post topics, receive our newsletter, use the advanced search, subscribe to threads and access many other special features. You can see the actual guids by viewing detailed partition information via the i option in gdisk, for instance. After powering up the system, hold down the stop key on some suns, this is labeled l1, and hit the a key to enter the boot monitor. The default disk label when oracle solaris is installed is an efi gpt label. Its look like you system work in some vrtual environment. The partition table is also referred to as the disk label. Ldom supports a number of possible other devices to be exported by the virtual disk server as a virtual disk to the guest domain. On an x86 system, create a solaris fdisk partition that can be used for booting by selecting 1solaris2. Solaris efi and smi labels we ran into some disk corruption few days back and learned about solaris new labeling format.
Nov 25, 2016 uefi gpt fdisk web site other useful business software ftmaintenance is an easytouse, yet robust cloudbased cmms solution that automates maintenance tasks and connects you with powerful data for smarter maintenance management. On x86 based systems, you can use the fdisk command on a disk. I thought format would show me this, but if it does, i cant see where to find it. Todays guide we are focusing on how to use fdisk for partitioning a disk in linux. How to delete a partition with fdisk command nixcraft. Runs the fdisk program to create an oracle solaris. Ufsunix file system is the default file system for solaris. The guid partition table gpt is a standard for the layout of partition tables of a physical. Still, many of them wonder how to work with fdisk utility. Holds the partition table that defines slices in the solaris fdisk partition. Solaris os systems do not currently boot from disks using efi labels.
On the x86 platform, the disk is divided into fdisk partitions using the fdisk. Were migrating from solaris x86 to linux x86 so endianness isnt a concern. You can also use the formate command to reapply a vtoc label if the efi label is no longer needed. With the help of fdisk command you can view, create, resize, delete, change, copy and move partitions on a hard drive using its own user friendly text based menu driven interface. If you need a disk with a vtoc smi label, execute the format e command of oracle. Sparc systems require an updated obp to boot from an efi gpt labeled disk. Nov 20, 2019 the efi system partition esp, a small partition formatted with fat32, usually around 100mb, this is where the efi boot loaders and applications used by the firmware at system during startup are stored. The menu options for interactive mode given by the fdisk program are. Notice there is a slice 8 and slice 2 is not labeled backup. Overview of extensible firmware interface efi disk labels versus volume table of contents vtoc in the solaris operating system. Efi disks will have total 7 slices 0 to 6 usable and slice to as overlap, similar to smi disks zfs by default used efi label. You cannot boot from a disk with an efi disk label.
The prtvtoc command identifies similar info but in a bit different format. The rpool disk is set up as an fdisk partition with some smi partitions slices on top. As root, use the format e command and select the disk to label as follows. All openbsd platforms use the disklabel program as the primary way to manage filesystem partitions. One of these can hold an extended partition, which in turn can hold many more logical partitions. Efi gpt label is required to support disk greater that 2tb in size, solaris zfs uses efi gpt labels by default. Lius blog as an inspiration, but the following is what i have. A disk with an efi label is not recognized on systems running previous solaris releases. When i dared to add my disk in the zfs spare, the label has been written and the disk has got its efi label. Solaris on 64bit sparc does support efi for boot disks.
These partitions are actually slices in the solaris partition that should encompass the entire disk, and are not to be confused with the disks partition table that you will modify using fdisk. On x86 based systems, you can use the fdisk command on a disk with an efi label that is greater than 2 tb in size. The extensible firmware interface guid partition table efi gpt disk label is also available for disks less than 2 tb that are connected to a system that runs a 32bit solaris kernel. Lets here discuss how to create a new filesystem on a newly added disk in solaris. Youll then need to make the bootefi directory, and add a line to etcfstab. How to set up a zfs root pool mirror in oracle solaris 11 express. While solaris often did that, openbsd requires the boot partition to be at the beginning of the disk. How to use format and partition command on solaris 9. How to change linux partition label names on ext4 ext3. This book uses the term slice, but some solaris documentation and programs might refer to a slice as a partition to avoid confusion, solaris. You can export a physical disk, disk slice, volumes, or file as a block device. You can use the formate command to apply an efi label to a disk if the system is running the appropriate solaris release. This is the same difference on either solaris 10 or solaris 11. Partition overlaps another partition while creating new parition in.
The efi extensible firmware interface disk label includes a partition table in which you can define upto 10 0 9 disk partitions slices. Use the following steps to change the label from an efi label to an smi label. Solaris has a command to help you do this, but it refers to slices as partitions. You cannot use the solaris management consoles disk manager tool to manage disks with efi. Script to label multiple disks in solaris the geek diary. The disks available on this system cannot be used to install solaris software. Careful analysis of the current cylinders blocks in the single solaris fdisk partition, and the future cylinders in the solaris fdisk partitions, should allow you to recreate a solaris vtoc or efi label, such. I decided i no longer see the sense of burning a dvd to do this. The purpose of this post is to explain the background information of solaris default disk labeling and also discuss the efi disk labeling introduced. Next we have to delete the existing efi label using fdisk. Solaris uses vfsvirtual file system architecture which provides a standard interface for different file system types and enables basic operations such as reading, writing and listing files. Adding disks under solaris institute for behavioral genetics.
Solved partitioning for uefi newbie corner arch linux. With commonly used dosmbr disk technology, you can have only four primary what solaris folk call fdisk partitions. Efi gpt disk label managing devices in oracle solaris. A disk label stores information about the disks controller, geometry, and slices. Labeling a disk means writing slice information onto the disk. As you know, any disk used in solaris has to have a label if there isnt any, you can just use format. I have a system sun solaris 8 installed on a sun ultra with to 36gb, c0t0d0 for the operative system and c0t1d0 as database.
Once the disk has been physically installed, the system should recognize a new device on the scsi bus. On an x86 system, you will first have to change the efi fdisk partition to a solaris partition. If your efi partition is devsdb3, then you would add the following line. Look at your zpool status v output and youll see that it shows c0d0s0. Zfs root mirroring, unable to attach mirror disk oracle. You usually label a disk after you change its slices or partitions. Resizing solaris partitions rob petti devops developer. Its one of the most powerful tools you can use to manage partitions, but its confusing to new users.
All other versions of solaris use data structures that are similar to the bsd disk label that we just looked at. Sometimes the acronym vtoc is used as a general term, though technically this is only one type of disk label, the other being efi. A disk label is also called the vtoc volume table of contents label. Once disk is added in the server,check if it is visible in os by. Using label for loading partition at boot time etcfstab file etcfstab is the file which is consulted at the boot time to mount. Because you issued zpool attach f rpool c0d0 c0d1 first, zfs would have put an efi label on the c0d1 disk which is why the second command failed. Note, efigpt disks have virtually unlimited number of partitions. There is no definite plan in motion, were just trying to find the best solution to our problem, thinking we might come across.
Im in the middle of setting up storage foundation for oracle rac 5. I recently needed to grow a solaris ufs file system, and accomplished this with the growfs1m utility. Run the fdisk1m program to create a fdisk partition for solaris software x86 based systems only. Make sure that the disks are of the correct fdisk types. The efi label provides support for physical disks and virtual disk volumes that are. Increasing the size of a vdisk in ldom with backend device as zfs volume. The basic difference is that a smi vtoc label identifies cylinders and blocks and an efi label only identifies sectors. Installing using zfs need to remove efi disk labels. Many a times when storage team allocates storage from a emc storage box, the disks are not labeled. My problem is i want to unlabel a disk for testing purposes. Blogged by matty as solaris storage matty sat 29 jan 2005 12.
The fact that zfs is what drew me back into solaris, and that i wasnt ever really. Solaris fdisk partitions must begin at cylinder 1, not cylinder 0, on the first disk because additional boot information, including the master boot record, is written in sector 0. The efi label standard can support up to 128 partitions, the efi label standard can support up to 128 partitions. Disk slices oracle solaris 11 system administration. Aug 11, 2007 blog o matty growing solaris ufs file systems. Smi traditional vtoc label for disks that are less than 2 tb in size. Solaris 10 system administration part i got opinion wiki. Replacing a solaris efi disk label david dyerbennet.
I use fdisk l command to see the attached hard disk drives in rhel5 and cntos 5. If you fail to label a disk after you create slices, the slices will be unavailable. If the disk has an efi label, and the firmware has not been upgraded. Zfs root pools have some requirements and bestpractices at variance to other zfs pools. On x86based systems, you can use the fdisk command on a disk with an efi label that is greater than 2 tb in size. Chapter 10 managing disks overview oracle help center. There are other similar tools, like cfdisk and parted, fdisk is easily the most universal and probably the simplest. Efi gpt disk label managing devices in oracle solaris 11. Efi label supports physical disks and logical volumes that are 2 tb in size.
In case x86, you need create solaris partitions on disk d1. Solaris fdisk partitions must begin on cylinder boundaries. On x86based systems, you can use the fdisk command on a disk. An efi system partition is essential if you want to boot from the operating system os you have installed on your hard drive, typically it is created during your operating systems installation. In this release, you can use the vtoc label on any size disk, but the addressable space by the vtoc is limited to 2 tb. Solaris 9 introduced support for file systems larger than 1terrabyte and uses efi partition tables because they have a 64bit address field sun 2003. Note that the argument must be an exact match or the entry will not be deleted. The system its working fine for 4 hour but after that the. This will make all files and programs in this partition inaccessible type y or n. The solaris volume manager software can also be used to manage disks. By specifying s0 you tell zfs to use the smi label instead of the efi which happens when you provide the entire disk. Solaris currently support 2 types of disk labeling on sparc,they are smi label and efigpt label. Efigpt label is required to support disk greater that 2tb in size, solaris zfs uses efigpt labels by default.