To create a raidz2 zpool first run the format command to find the disks that you have in your system. With efi s tag and label software solutions, you are able to increase the profitability of your entire integrated workflow. Preparing disks for zfs storage pools transitioning from oracle. Zfs has many cool features over traditional volume managers like svm,lvm,vxvm. By specifying a slice, youre telling zfs that you want to keep the current smi vtoc label which must be correct prior to using the disk. May 25, 2012 because this is a root pool you have to attach slice 0 of an smi labelled disk. Copy the smi label from c0d0 to c0d1 and use zpool attach. If you have an efi label, use format e to change it, and make a slice 0 at least as large as the one.
I m trying to mirror the boot disk which is using zfs, something i ve done before. From initial job acquisition, through estimating, scheduling, production. Solved bsdinstall disables gpt identification for guided. I can not change from efi to smi label, or atleast zpool replace complains on my attempts to replace a mirrored root drive. When you install freebsd using the auto zfs option, gpt labels and gpt uuids are disabled in nf.
Copy the smi label from c0d0 to c0d1 and use zpool attach f rpool c0d0s0 c0d1s0 instead. Efis miserp software team is the largest and most experienced when it comes to the packaging and label converting industry. This will make all files and programs in this partition inaccessible type y. Slices should only be used under the following conditions. Zfs verwendet efilabel, wenn sie speicherpools mit gesamten festplatten erstellen. Efi tag and label printing industries productivity software. For pools to be portable, you must give the zpool command whole disks, not just partitions, so that zfs can label the disks with portable efi labels. Chapter 4, managing oracle solaris zfs storage pools.
Backing up and restoring the system disk in a zfs boot environment must be performed by the zfs snapshot function such as zfs snapshot, zfs rollback, zfs send, and zfs receive commands. The pool is formatted using an older ondisk version. Solaris zfs command line reference cheat sheet the geek diary. The administrator must ensure that simultaneous invocations of any combination of zpool replace zpool create zpool add or zpool labelclear. I m trying to mirror the boot disk which is using zfs, something i ve done before wo problems prior to the patch cluster install. A raidz2 zpool can tolerate two drive failures before it becomes vulnerable to data loss. Breaking a zfs mirror solaris 11 notes of a systems. Managing zfs storage pools zfs administration guide.
To use these disks, you must manually label the disk and provide a slice to zfs. Tens of thousands of happy customers have a proxmox subscription. It is possible to add more hard drives to a mirror after its initial creation. The pool can be imported using its name or numeric identifier, though some features will not be available without an explicit zpool upgrade. When zfs storage pools are created with whole disks, the disks are labeled with an efi label rather. If i do dd ifdevzero oftanktestzpool bs1m count100 how can i treat the file tanktestzpool as a vdev, so i can use it as a zpool. How to set up a zfs root pool mirror in oracle solaris 11 express.
Solved cannot find zfs bootpool, efi panic the freebsd forums. A better approach is to use expert mode when labeling the disk format e, now you can select either efi or smi you want smi. There are insufficient replicas for the pools to continue functioning. From initial job acquisition, through estimating, scheduling, production, shipping, and accounting, our tag and label solutions are part of efi s integrated, automated productivity suite workflows. As i said earlier, my new device is bigger than my old one, and i want to use the new space. Disks can be labeled with a traditional solaris vtoc label when you create a storage pool with a disk slice. Which, for historic reasons, is slightly more complicated than just saying zpool attach. Rip software efi rip software, the flexible and scalable highspeed rip and color management workflow for wide to superwideformat. Do not add a disk that is currently configured as a quorum device to a zpool. Zfs root pool recommendations and requirements charanjitwiki. Efi labels are only supported by 64 bit solaris 9 u 0403 or later.
I did try zpool replace but it wouldnt accept that command without the name of the pool, old device and new device. Since cfgadm only knows about hardware, not software slices. Look at your zpool status v output and youll see that it shows c0d0s0. 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. I tried format utility to change that back to smi label. Possibly a more proper solution would be to write a thin virtual hard disk driver, which reads the efi label and present just the partitions. Booting a zfs root file system via uefi proxmox support forum. And you find many sites explaining how to overwrite an efi label on a disk. Zfs has one of the cool features that we can recover the destroyed pool if the zpool disk is not used or removed from the system for other purpose. Zfszetta byte filesystem is introduced on solaris 10 release. I wanted to make a backup to prevent future data loss, so i put the disk in a normal pc with windows xp to try to. I created a zfs root pool using a single whole disk. Before exporting the pool, all datasets within the pool are unmounted.
Iirc, the recommendation is to manually write an efi label first before initializing zfs on freebsd. To develop this filesystem cum volume manager,sun microsystems had spend lot of years and some billion. Efi labeled devices are not supported on root pools. You cannot shrink a zpool and remove hard drives after its initial creation. Checkpoints the current state of pool, which can be later restored by zpool import rewindtocheckpoint the existence of a checkpoint in a pool prohibits the following zpool commands. June 30, 2017 bryaneverly frequent readers of this blog probably know im a big fan of free and open source software and also that i have a warm spot. After a disk is in the pool, that disk can then be configured as a quorum device. The following zpool attach or zpool replace command results in an semiambiguous message. The existing device cannot be part of a raidz configuration. To develop this filesystem cum volume manager,sun microsystems had spend lot of years and some billion dollars money. Preparing disks for zfs storage pools transitioning from. If you use the zpool replace command to replace the root pool disk, you must first apply an smi label and also apply the boot blocks. Radius erp customers benefit from a development, implementation, training, and support team that.
This is not the case even if the disk did have a valid efi label. The pool will continue to function, possibly in a degraded state. The pool can still be used, but some features are unavailable. I know that freebsd does things different than solaris.
Replacing a solaris efi disk label david dyerbennet. Also zpool attach only automatically creates an efi label is the drive is over 1tb or you specify the whole disk as in c0t0d0 if you include the slice c0t0d0s0 it will not replace an smi label with an efi label. If zfs uses a whole disk, it writes an efi label to the disk. 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. If i do dd ifdevzero oftanktest zpool bs1m count100 how can i treat the file tanktest zpool as a vdev, so i can use it as a zpool.
With efis tag and label software solutions, you are able to increase the profitability of your entire integrated workflow. Over the weekend, i sat down and played a bit with the current oracle solaris 11 express release in virtualbox and tested, retested and investigated all currently necessary steps to get your root pool mirrored, including some common issues and variations. How to mount the zfs rpool while booted from cd sparc the. If i use two type of disks devsdb is sas raid, and devsdc, devsdd usb disks. The proxmox team works very hard to make sure you are running the best software and getting stable updates and security enhancements, as well as quick enterprise support. How to recover a destroyed zfs storage pool unixarena. Size of efi lable is 34 sectors and in efi disk no partition can start at sector0zero to. The relabeling process might go back to the default sizing so check to see that all the disk space is where you want it.
If you have an efi label, use format e to change it, and make a slice 0 at least as large as the one youre attaching to. Oct 18, 2009 a better approach is to use expert mode when labeling the disk format e, now you can select either efi or smi you want smi. For pools to be portable, you must give the zpool command whole disks, not just slices, so that zfs can label the disks. Once this is done, the pool will no longer be accessible on software that does not support feat flags. Because this is a root pool you have to attach slice 0 of an smi labelled disk. Windows do not handle efi labels, for now they are parsed with libefi, and we send offset and size with the filename, that both libzfs and kernel will parse out and use. Zfs root mirroring, unable to attach mirror disk oracle. If you do not supply the slice number to the device when you create zpools or attach vdevs, zfs will use the entire disk and as such apply an efi label to the device. Grub 2 and root pool disk has an efi label in most cases. Disk 1 above is the new disk i need to attach to expand my root pool give exporthome some extra space.
Efi disks will have total 7 slices 0 to 6 usable and slice to. After the installation, i wanted to attach a second drive to the pool to create a mirrored root pool. Jul 11, 2012 zfszetta byte filesystem is introduced on solaris 10 release. A raidz2 zpool can tolerate two drive failures before it.
One of the first things to do when setting up a new system is to mirror your boot disk. Over the weekend, i sat down and played a bit with the current oracle solaris 11 express release in. Did you check whether there is an efi label present on the disk. You get two parity points to prevent array failure in case of drive failures. A raidz2 zpool is very similar in function to a raid6 array.
But if i want to import the existing, unavailable pool with zpool import dte dte was the name of the. Feb 04, 2020 when you install freebsd using the auto zfs option, gpt labels and gpt uuids are disabled in nf. Backing up and restoring the system disk in a zfs boot environment must be performed by the zfs snapshot function such as zfs snapshot, zfs rollback, zfs send, and zfs receive. Display detailed zfs io statistics every 2 seconds. I attach the missing device and online it using zpool onlinei. Attaching a root pool disk with zpool attach to create a mirrored root pool requires the whole disk syntax. Replace failed drive with zfs doesnt work like a true raid1. Jan 02, 2012 efi labels are only supported by 64 bit solaris 9 u 0403 or later. You can construct logical devices for zfs using volumes presented by software based volume managers.
If you attach a root pool disk with the zpool attach command after the system is installed to create a mirrored root pool and the intended disk contains an efi label, you will need to relabel. Use the following command devsda is the first drive in the mirror. Zfs quick command reference with examples unixarena. This property is expected to be set mainly by the installation and upgrade programs. The pool is formatted using a legacy ondisk format. Otherwise, disk drivers on platforms of different endianness will not recognize the disks. Error in enabling mirror in zfs file system it tool box. Boot blocks are applied automatically during a zpool attach operation of a root pool disk. Zfs applies an efi label when you create a storage pool with whole disks. But if i want to import the existing, unavailable pool with zpool import dte dte was the name of the pool, i get the following error. The message could be interpreted as c0t5000cca02a1bfc9cd0 already having an efi label which is not supported for root pools. May, 2020 windows do not handle efi labels, for now they are parsed with libefi, and we send offset and size with the filename, that both libzfs and kernel will parse out and use. For pools to be portable, you must give the zpool command whole disks, not just slices, so that zfs can label the disks with porta ble efi labels.
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