Sun Microsystems Virtual Tape Library Instrukcja Użytkownika Pobierz pdf (Strona 220)

Replication

206 VTL User Guide • May 2008 G • 96267

‐w(‐‐watermark)isadatasizebasedtriggerinMB .Thewatermarkischec ke dwhen

thetapeis unloadedfromthetapedriveandthereplicationistriggered ifthe

amountofnewdataon thetapehasreachedthespecifie d watermark.

‐d(‐‐date)combinedwith ‐i(‐‐

interval)isatimebasedtrigger. Th ereplicationis

triggeredatthetimespecifiedbydateandthen repeatedeveryinterval.‐d(‐‐date)

formatisYYYYMMDDHHM Mand‐i(‐‐interval)formatisanumberfollowedbyH

forhoursorM forminutes(e.g.‐i2Hor‐‐interval=120M).

Todelete

awatermarktriggerspecify0forthewatermark.Todeleteatimebased

triggerspecifyNAfordate.Atleas tonetriggermustremainactive.

Thedateargumentisnotrequiredifyouar eonlychangingtheinterval.

Forvirtualtapeshavingthetapecachingpropertyenabled,replicationistriggered

basedon

thetapecachingpolicy:

‐r(‐‐repl‐first)isrequiredto replicatethevirtualtapebeforeitis migrated.Us eʺonʺ

inordertoenablethispolicyorʺoffʺtohavetapemigrationexecutedfirst.

Thereplicationretrypolicycanbe changed usingthefollowingoptions:

■ ‐t(‐‐replication‐timeout)inseconds(default60).

■ ‐I(‐‐re pl ica tio n‐retry‐interval)inseconds(default60).

■ ‐C(‐‐replication‐retry‐count)retrycoun t (default1).

‐c(‐‐compression)isanoption toenableordisablecompressionwithoneofthe

values:onoroff.

‐e(‐‐encryption)isanoptionforremotereplicationonlytosettheencryptionwith

oneofthevalues: on oroff

‐X(‐‐rpc‐timeout)isanoptiontospecifyanumberbetween1and30000inseconds

fortheRPCtimeout.Thesystemwillretrythecommandfortheamountof time

specifiediftheserverdoesnotrespond.ThedefaultRPCtime outis30seconds.

Getreplicationproperties

iscon getreplicationproperties -s <server-name> [-u <username> -p <password>]

-v <source-vdevid> [-X <rpc-timeout>]

iscon getreplicationproperties --server-name=<server-name>

[--server-username=<username> --server-password=<password>]

--source-vdevid=<source-vdevid> [--rpc-timeout=<rpc-timeout>]

Description:

Thiscomma n d allowsyoutoge tthereplicationpropertiesfor a  virtualdevice

configuredforreplication.

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