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ARSC system downtime for pacman (past)

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Type Downtime News
Machine All Systems linuxws pacman bigdipper fish lsi
Downtime All Future Current Past

Contents for pacman

News Items

24 Jul 2015 UnScheduled Downtime

Last Updated: Fri, 24 Jul 2015 -
Machines: linuxws pacman fish
Start Time: 07/24/2015 -- 16:00
  End Time: 07/24/2015 -- 22:00
    Reason: CENTER file system interruption

By 10:00 PM (Alaska Time) Friday, July 24, 2015 ARSC systems and
 services had recovered from an unscheduled interruption.

This evening our system analysts did a full reboot of everything that
 mounts ${CENTER} in order to restore the lustre filesystem to
 operation. It's not clear why this was necessary to recover, but it
 was. The ${CENTER} interruption started sometime late Friday
 afternoon.

The ${CENTER} file system is the high performance shared file system
 available on pacman, fish and the Linux workstations and is the
 preferred file system for computing on ARSC systems.

We apologize for any inconvenience this may have caused,  and please 
 contact us if you have any questions.

From our system administrators: Happy Golden Days!

01 Jul 2015 UnScheduled Downtime

Last Updated: Wed, 01 Jul 2015 -
Machines: linuxws pacman fish
Start Time: 07/01/2015 -- 08:00
  End Time: 07/01/2015 -- 17:00
    Reason: CENTER filesystem issues

By 17:00 (5:00 PM) Wednesday, July 1, 2015 the issues with the ${CENTER}
 filesystem were resolved and access restored.

Early in the morning of Wednesday, July 1, 2015 we experienced an issue with
 the ${CENTER} file system.  To restore services for the ${CENTER} file system
 we halted all pacman and fish compute services and access to the fish and
 pacman login nodes.  We then rebooted digdug (the server supplying the
 ${CENTER} file system services) and then restored pacman and compute services
 and access to the fish and pacman login nodes.

The ${CENTER} file system is the high performance shared file system available
 on pacman, fish and the Linux workstations and is the preferred file system
 for computing on ARSC systems.

We apologize for any inconvenience this may have caused,  and please contact us
 if you have any questions.


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