Many of them are very familiar with Solaris OS recovery on UFS root filesystem.Here we are going to see about how to recover Solaris 10 on ZFS root filesystem. Here is assumptions is we are periodically keeping root FS zfs snapshot in NAS location using zfs send feature.This can be achieved easily using small “zfs send” command. Note:This procedure will be […]
ZFS
How to recover a destroyed zfs storage pool
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. Once we issue the command to destroy the particular pool, Solaris will put the zpool in destroyed mode and it won’t remove any data from those zpool disks.Note:Zpool destroy is very dangerous command since it destroys the zpool even if it […]
Solaris 10- OS patching using Live-upgrade
Solaris OS patching has been moved far away from the traditional methods from Solaris 10 on-wards.We no need to bring down the server to single user mode if you are using live upgrade method during pathing and before choosing live upgrade ,make sure you are using ZFS as a root filesystem.For you information,from Solaris 11 onward,ZFS will be the default root filesystem. In other-words, […]
Oracle Solaris – UFS to ZFS Migration Using Live upgrade (root FS)
How to migrate the Solaris root filesystem from UFS/SVM to ZFS on Oracle Solaris 10 ?. From Solaris 10 on-wards ZFS filesystem supports root FS. If you are already having the root filesystem in UFS, you can easily convert it using Live upgrade with minimal downtime. The actual down time is just a single reboot. […]
Solaris ZONE + Liveupgrade compatibility model –Solaris 10
Using ZFS as root filesystems on global zone and local zone is huge advantage for OS patching. ZFS is very flexible with Liveupgrade, so that rollback action is very simple. It’s Just reboot. Here we will see what type of zone+zfs configuration will support in Solaris 10 for Liveupgrade. If you are planning to use […]
lucreate failed due to – Zones residing on top level of the dataset.
Live-upgrade:Oracle Solaris 10 has come with ZFS and live-upgrade features to eliminate the down time for OS patching.But still this feature need lot of maturity in order to use in critical production environment.It has so many bugs and many restricted configuration setup. I would say oracle Solaris is completely moved to next generation OS patching […]