This post is to provide steps from changing iSCSI Static Discovery to SendTargets Discovery. If zones are configured, zones need to be halted before changing the iSCSI discovery method then boot afterward. If zpool is configured, zpool needs to be exported before changing the iSCSI discovery method then import afterward. Below are high level steps: halt zones export -f zfs pools remove static disks disable static discovery service restart target discovery service import pools boot … [Read more...] about Solaris – Changing from iSCSI Static Discovery to SendTargets Discovery
ZFS
Howto Verify If a Bootblk is Installed on the Boot Disk (SPARC)
This can be useful in troubleshooting if the system fails to boot with a suspected bootblk issues, or if you suspect something in the OS keeps overwriting the bootblk. For Solaris 10 Below is the output from a Solaris 10u4 with UFS, Solaris 10u6 with UFS, and a Solaris 10u6 with ZFS bootblock. The bootblk version changed from s10u6 onwards. This is why the output differs between s10u6 and earlier versions. S10U1 through U5 UFS root: # dd if=/dev/rdsk/c0t0d0s0 bs=1b count=1 iseek=1 | od … [Read more...] about Howto Verify If a Bootblk is Installed on the Boot Disk (SPARC)
How to Configure iSCSI targets on Solaris 10
iSCSI target feature has been available since s10u7. Here is some information for setting up a basic iSCSI target configuration. High level steps to follow are as shown below : create a base directory configure the backing store Creating a target Add ACL to target 1. create a base directory The base directory is used to store the iSCSI target configuration data, and needs to be defined prior to using the iSCSI target for the first time. You can create a base directory with the … [Read more...] about How to Configure iSCSI targets on Solaris 10
How to Import Zpool and Mount of BE When Booted From Alternate Device in Solaris 11
This post shows how to boot from an alternate device or media to update or fix a Solaris 11 instance. Boot the system from another bootable disk, installation DVD, or over the network. Ensure that the version of Solaris 11 on the alternate media matches the version of the Solaris 11 on the disk. For SPARC: If you boot from installation media or an installation server on the network, select the text installation. If you boot from an installation server, use the following command: ok> boot … [Read more...] about How to Import Zpool and Mount of BE When Booted From Alternate Device in Solaris 11
How to Backup and Restore ZFS root pool in Solaris 10
The following procedure can be used to backup and restore a ZFS root pool (rpool) using the tools that are provided in Solaris 10 and above. It is advised that the system admin becomes comfortable with this procedure and attempts a restore before deploying this into production environments. In this procedure, it is assumed the root pool will be called 'rpool' as is the given standard during installation. We will also use below sample filesystems as the part of … [Read more...] about How to Backup and Restore ZFS root pool in Solaris 10
How to update the boot_archive for ZFS root in Solaris
If a Solaris system fails to boot with messages similar to the following are encountered, the system will need to be booted from alternate Oracle Solaris media ( e.g. the failsafe archive, cd / dvd media, or an install image over the network) in order to update the boot_archive. The file just loaded does not appear to be executable. Refer the post below to mount zfs root pool (rpool) booting from DVD. How to mount the zfs rpool while booted from CD [SPARC] Steps to update the … [Read more...] about How to update the boot_archive for ZFS root in Solaris