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Spectra Logic T-FINITY Computer Drive User Manual

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Prepare for Maintenance

4

Drive Installation or Replacement Instructions 91010010

PREPARE FOR MAINTENANCE

Makesureyoufulfilltheprerequisitesdescribedinthissectionand

familiarizeyourselfwithallthesectionsinthedocumentbeforestarting.

Continuing or Stopping Backups

Usethefollowingguidelinesifyouareinstallingorreplacingadriveina

drivebayassembly(DBA)alreadyinthelibrary.

Ensuring ESD Protection

Therepairenvironmentforthelibrarymustbefreeofconditionsthat

couldcauseelectrostaticdischarge(ESD).ToprotectthelibraryfromESD,

followtheseprocedures:

 Placeastaticprotectionmatontheworksurfaceusedwhileremoving

andinstallinglibrarycomponents.Usea1‐megaohmresistortoground

thestaticprotectionmat.

 Wearastaticprotection wristbandwheneveryouhandlelibrary

componentsthathavebeenremovedfromtheirantistaticbags.Connect

thiswristbandtothestaticprotectionmatortoothersuitableESD

grounding.

 Keepallcomponentsinantistaticbagswhennotinuse.

Method Description

QIP-attach drives

(all libraries)

Backupsrunningtoallotherdrivesinthelibrary(orpartition)cansafely

continuewhileyouinstallanewdriveorreplaceanexistingone.

Direct-attach SCSI

drives

(Spectra T200,

T380, T680)

Ifmultipledirect‐attachSCSIdrivesaredaisy‐chainedonthesameSCSIbus,

addingorremovingadriveinterruptscommunicationsonthe

bus.Stopbackup

operationstoallofthedrivesinthedaisychain.SpectraLogicrecommends

shuttingdownandpoweringoffthehostcomputerbeforereplacingadrive.

Note: BoththeT950andtheT‐FinityrequireaQIPfordirect‐attachdrive

configurations.

Direct-attach Fibre

Channel drives

(Spectra T200,

T380, T680)

Backupsrunningtootherdrivesinthe

library(orpartition)cansafelycontinue

whileyouinstallanewdriv eorreplaceanexistingone,unlessthedriveyouare

replacingistheoneexportingthelibrary(thatis,providingtheroboticcontrol

pathforthepartition).Ifthedriveyouarereplacingprovidesthecontrolpath

for

therobotics,stopbackupoperationstothepartition.

Note: BoththeT950andtheT‐FinityrequireaQIPfordirect‐attachdrive

configurations.

Note: Selectingadrivetoprovidetheroboticcontrolpathispartofconfiguringapartition.Referto

theindividualUserGuideformoreinformation.

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