NetWorker: nsrclone kan ikke klone saveset som tidligere ikke kunne klones automatisk via et skript når DD Retention Lock er aktivert
Summary: nsrclone kan ikke klone saveset som tidligere ikke kunne klones automatisk ved hjelp av et skript når DD Retention Lock er aktivert.
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Symptoms
- Noen lagringssett tidligere kunne ikke klones ved hjelp av et skript eller automatisk.
- "ghost" save set may show without volume name with mminfo (skyggebeskyttet) kan vises uten volumnavn med mminfo (se nedenfor).
- Kontroller at målfilsystemet viser filen som er lagret, men IKKE merknadsfilen.
- skannerkommandoen for saveset mislykkes (se nedenfor).
- Flere forsøk på å klone saveset mislykkes med feil: Err: 5004-nfs lookup failed (nfs: Ingen slik fil eller katalog)
# mminfo -q ssid=928093938 -r ssid,cloneid,ssretent,clretent,ssflags,clflags,copies
ssid clone id retent clretent ssflags clflg copies
928093938 1532073714 08/24/2018 08/20/2018 vrF 2
928093938 1532252170 08/24/2018 08/24/2018 vrF E <--- This is the incomplete clone.
Men når vi legger til volumbryteren, rapporteres bare én linje:
# mminfo -q ssid=928093938 -r ssid,cloneid,ssretent,clretent,ssflags,clflags,copies,volume
ssid clone id retent clretent ssflags clflg copies volume
928093938 1532073714 08/24/2018 08/20/2018 vrF 2 source-volume-name
^ ---2 copies yet only 1 shows in the output.
Cli-utdata for skanner:
8909:scanner: using 'DD-name_destination-device-path' as the device name
8936:scanner: scanning Data Domain disk destination-volume-name on DD-name_destination-device-path
8939:scanner: Data Domain disk destination-volume-name already exists in the media index
107505:scanner: Opening the file '/nw-server-name/destination-device-path/08/04/notes/705d0dc6-00000004-5982f3fd-599ed855-190c442c-4c9896fd' failed [5004] ([57525] [140043448723232] Wed Aug 1 13:18:50 2018
ddp_open_file() failed for File: //nw-server-name/destination-device-path/08/04/notes/705d0dc6-00000004-5982f3fd-599ed855-190c442c-4c9896fd, Err: 5004-nfs lookup failed (nfs: No such file or directory)
).
107505:scanner: Opening the file '/nw-server-name/destination-device-path/08/04/notes/705d0dc6-00000004-5982f3fd-599ed855-190c442c-4c9896fd' failed [5004] ([57525] [140043448723232] Wed Aug 1 13:18:50 2018
ddp_open_file() failed for File: //nw-server-name/destination-device-path/08/04/notes/705d0dc6-00000004-5982f3fd-599ed855-190c442c-4c9896fd, Err: 5004-nfs lookup failed (nfs: No such file or directory)
).
8761:scanner: done with Data Domain disk destination-volume-name
80470:nsrclone: Following volumes are needed for cloning
80471:nsrclone: source-volume-name (DD)
100303:nsrclone: Cloning savesets from storage node 'nw-server-name'
142165:nsrclone: Number of clone threads per client is set to 256. Max number of savesets per thread is set to 0. Max client threads is set to 0.
104860:nsrclone: Concurrent proxy clone started for service type DD.
Cloning save sets from the volume source-volume-name
Total client count in a volume source-volume-name is 1
77426:nsrclone: Cloning save sets from the volume source-volume-name
104861:nsrclone: Total client count in a volume source-volume-name is 1
104864:nsrclone: Number of clone threads per client set to 1. Max number of savesets per thread is set to 0. Max client threads is set to 30 for volume source-volume-name
174908:nsrclone: Saving the backup data in the pool 'destination-pool'.
175019:nsrclone: Received the media management binding information on the host 'nw-server-name'.
174910:nsrclone: Connected to the nsrmmd process on the host 'nw-server-name'.
32379:nsrclone: Cloning save set index:705d0dc6-00000004-5982f3fd-599ed855-190c442c-4c9896fd (ssid/cloneid 928093938/1532073714)
75360:nsrclone: Cloning of size 1 KB is in progress...
72985:nsrclone: Source volume 'source-volume-name' ready for cloning
75675:nsrclone: Failed to initiate the save nsrmmd to create a clone instance.
Direct File Save failed for /nw-server-name/destination-device-path/active/df304e8e-00000006-375196f2-5b5196f2-23ce16ac-34ae8c2d on volume destination-volume-name
75267:nsrclone: Failed to initiate mmd session for ssid 928093938.
75712:nsrclone: Cloning failed for save set : index:705d0dc6-00000004-5982f3fd-599ed855-190c442c-4c9896fd (ssid 928093938)
77276:nsrclone: Total size cloned so far: 0 KB.
141764:nsrclone: Unable to perform clone of client saveset. Error: proxy_clone_rs failed.
104863:nsrclone: Concurrent proxy clone completed for sevice type DD.
67790:nsrclone: Total size cloned: 0 KB.
77275:nsrclone: DD cloning failed
Proxy clone failed to clone all or few savesetsSome of the clones failed
Some of the clones failed
Cause
DD har aktivert oppbevaringslås. Dette forhindret at det ufullstendige opprinnelige lagringssettet ble fjernet, og forhindrer at neste kloneforsøk overskriver dataene i målbanen.
Resolution
Omgåelse av problemet:
Fra skannerforsøket ovenfor finner du banen til lagringssettet på målet://nw-server-name/destination-device-path/08/04/notes/705d0dc6-00000004-5982f3fd-599ed855-190c442c-4c9896fd
Vi trenger banen til selve lagringssettet, som for eksempel vil være ett nivå over merknadene:
//nw-server-name/destination-device-path/08/04/
Legg deretter til DD mTree-banen, som alltid starter /data/col1/mtree-name. "mTree list" på DD CLI viser MTrees konfigurert. Vanligvis samsvarer MTree-navnet med vertens NetWorker-servernavn. Legg deretter til det lange lagrede navnet på slutten.
I dette eksempelet blir hele banen:
/data/col1/nw-server-name/destination-device-path/08/04//705d0dc6-00000004-5982f3fd-599ed855-190c442c-4c9896fd
Vi må bruke denne banen til å deaktivere oppbevaringslås på datadomenesystemet for målet:
- På mål-DD CLI kjører du: mtree retention-lock revert [path] (path from above) Dette ber om sysadmin-passordet.
- Klone lagresettet på nytt – dette skal nå fungere uten feil fordi det nå kan skrive til målbanen.
- mminfo-spørringer for de klonede lagrene skal nå fungere på riktig måte.
- Gjenta for eventuelle andre berørte lagringssett.
Affected Products
NetWorkerProducts
NetWorkerArticle Properties
Article Number: 000052916
Article Type: Solution
Last Modified: 27 Sep 2023
Version: 3
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