Category: Storage Administration – SAN

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Solaris SVM – How to Restore a Mirrored Root Configuration from Backup

In this scenario we are assuming that we  have full backup of the new disk.  In order to restore the machine exactly the way it was, it is necessary to have a record of the locations of the state databases, and also the configuration of the...

3

Solaris SVM – How to check on a running machine which disk was used to boot.

It is often possible that we boot from a Solaris machine from one of the root mirror disk, and after sometime we forget current active disk. And the information of active boot disk is important while we perform SVM maintenance disks. This post will help you...

2

Solaris – Everything you need to know before you run FSCK

Whenever a file system develops inconsistencies because some unexpected issues, the integrity of the file system needs to be verified.  UNIX has developed a very sophisticated file system integrity check ,fsck utility,  which attempts to verify that all the links and blocks are correctly tied together. This...

6

Hands on Lab – Replacing Failed Disks from ZFS Pools ( RaidZ2 / RaidZ3 ) – Part2

    In my earlier hands on lab post ( Hands on Lab – Replacing Failed Disks from ZFS Pools ( Simple / Mirrored / RaidZ )). I have explained the disk failure scenarios for ZPOOL  mirror and RaidZ volumes, and this post is just continuation to that...

19

HBA firmware upgrades on Solaris servers.

HBA firmware upgrades on Solaris servers. In continuation to pre works for storage migration, herein I will be presenting HBA Firmware upgrades on Solaris servers (using Emulex & Lpfc utilities). We will be upgrading HBA Firmware from version 2.72a2 to 2.82a4 for HBA Model Model: LPe11002-M4...

4

EMCpowerpath & EMCsymmetrix upgrades on Solaris servers.

In this post I will present EMCpowerpath & EMCsymmetrix upgrades on Solaris servers. We will be upgrading EMCpowerpath from version 5.0 to 5.3 & EMCsymmetrix from version v6.4.x to v7.1.x. a. EMCpowerpath upgrade                          ...

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