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zfs

How to mount the zfs rpool while booted from CD [SPARC]

by admin

To be able to troubleshoot booting issues, sometimes we have to boot the system in single user mode using the CDROM. This is required to access the root file system and find out the issue causing the boot problem. This post describes how to boot using CDROM and mount a zfs root file system (rpool). […]

Filed Under: Solaris, ZFS Tagged With: rpool mount, zfs

How To Use ‘zpool split’ to Split rpool in solaris 11 (SPARC)

by admin

A mirrored ZFS storage pool can be quickly cloned as a backup pool by using the zpool split command. You can use this feature to split a mirrored root pool, but the pool that is split off is not bootable until you perform some additional steps. Caveats and Assumptions 1.The new/split pool must be used […]

Filed Under: Solaris, Solaris 11, ZFS Tagged With: zfs, zpool split

How to add Additional Storage Space Created from Dynamic LUN Expansion in ZFS online

by admin

Most of the storage arrays nowadays provide the feature of dynamic LUN expansion. This feature allows you to grow your existing volume on the fly without affecting existing data or I/O. Dynamic LUN expansion increases the capacity of the physical storage. You must then make Solaris-aware that the device has grown, and if a file […]

Filed Under: Solaris, ZFS Tagged With: LUN expansion, zfs

ZFS Tutorials : Creating ZFS snapshot and clones

by admin

ZFS snapshots zfs snapshot is a read-only copy of zfs file system or volume. They consume no extra space in the zfs pool and can be created instantly. They can be used to save a state of file system at particular point of time and can later be rolled back to exactly same state. You […]

Filed Under: ZFS Tagged With: solaris, zfs

ZFS Tutorials : Creating ZFS pools and file systems

by admin

Creating a ZFS pool We can create a ZFS pool using different devices as: a. using whole disks b. using disk slices c. using files a. Using whole disks # echo | format Searching for disks…done AVAILABLE DISK SELECTIONS: 0. c1t0d0 /pci@0,0/pci15ad,1976@10/sd@0,0 1. c1t1d0 <VMware,-VMware Virtual S-1.0-1.00GB> /pci@0,0/pci15ad,1976@10/sd@1,0 2. c1t2d0 /pci@0,0/pci15ad,1976@10/sd@2,0 3. c1t3d0 /pci@0,0/pci15ad,1976@10/sd@3,0 4. […]

Filed Under: ZFS Tagged With: Solaris, zfs

How to clone LDOMs using ZFS

by admin

The ZFS snapshot and cloning feature can be used to clones LDOMs. This comes very handy when you need to create multiple ldoms with some softwares already installed. The steps involved are : 1. Setup the primary domain 2. Create a guest LDOM (base LDOM) 3. Unconfigure, stop and unbind the base LDOM 4. Take […]

Filed Under: LDOMs Tagged With: LDOMs, zfs, zfs clones, zfs snapshot

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