Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base

4

Recovery of DISKGROUP in VXVM (Veritas Volume Manager).

Since long time I was thinking to have practical hands-on to how to recover Diskgroup in VXVM (which got  faulty and we are unable to import that). But unfortunately I wont have real time outputs with me to show how that can be achieved. But here...

43

Working with Solaris Server Consoles using LOM/ ILOM/ ALOM/ ELOM/ RSC

Access Server’s OS Console from the LOM service Processor:   Server Models : SunFire V100/V120/V1280/E2900 and Netra 1280/1290 You can use below command to navigate between Server OS console and LOM port: connecting to console from LOM prompt: sc/lom>console Returning to LOM from the Server console...

11

Solaris Troubleshooting : Using Truss to Identify the Signals sending to a Process

One of the Sample Issue: Customer frequently sees in /var/adm/messages syslogd: going down on signal 15 which indicates that the system rebooted from a normal shutdown or init 6, yet no reboot has actually occurred and uptime indicates that no reboot occurred. If you stop the...

4

Unix Admin Reference – Veritas Volume Manager Volume States and Plex States

    While Troubleshooting Veritas Volume Manager, Understanding volume and plex states is key part to investigate about the current issue related to the Veritas Volumes. In this post, I made little effort to write all the possible Volume and Plex states so that it can...

18

VxVM 5.0- Replacing rootdisk from rootdg – failing with error "Disk public region is too small"

Error while adding  replaced disk to the root mirror Solaris:/etc/vx/bin> vxdg -g rootdg -k adddisk rootdisk=c1t4d0s2 VxVM vxdg ERROR V-5-1-10127 associating disk-media rootdisk with c1t4d0s2:    Disk public region is too small   Resolution:  Solaris :/etc/vx/bin> vxdisk list DEVICE       TYPE            DISK         GROUP        STATUS c1t4d0s2     auto:sliced     –            –           ...

6

Solaris 10 : mpathadm vs luxadm – manage multipathing in solaris 10

Solaris Multipathing software MPXIO operate now with new arrays using other protocols like SAS or iscsi, . The old Solaris luxadm command still manage FC arrays, but mpathadm command has been developed to work on all the arrays using FC, SAS, and Iscsi connections.

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